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  • Question 1 - A 28-year-old female is admitted to the Medical Admissions Unit with symptoms of...

    Correct

    • A 28-year-old female is admitted to the Medical Admissions Unit with symptoms of neck stiffness, photophobia, and fever. No rash is present, and her GCS is 15. Upon lumbar puncture, her CSF shows increased opening pressure and turbidity, with a raised white cell count and low glucose. Ceftriaxone is initiated, but what additional treatment is necessary to enhance outcomes?

      Your Answer: Dexamethasone

      Explanation:

      The patient’s presentation and CSF results strongly suggest bacterial meningitis, for which appropriate antibiotic therapy has been initiated. To improve neurological outcomes and reduce the risk of sequelae such as deafness, dexamethasone is the recommended additional treatment. However, it should be noted that dexamethasone is contraindicated in cases of septic shock or meningococcal septicaemia. Antivirals such as aciclovir are not indicated in bacterial meningitis, while fluconazole, an anti-fungal, is also not appropriate. Prednisolone has no role in the treatment of meningitis.

      The investigation and management of suspected bacterial meningitis are intertwined due to the potential negative impact of delayed antibiotic treatment. Patients should be urgently transferred to the hospital, and an ABC approach should be taken initially. A lumbar puncture should be delayed in certain circumstances, and IV antibiotics should be given as a priority if there is any doubt. The bloods and CSF should be tested for various parameters, and prophylaxis should be offered to households and close contacts of patients affected with meningococcal meningitis.

    • This question is part of the following fields:

      • Infectious Diseases
      48.6
      Seconds
  • Question 2 - A 6-week-old girl is brought to the pediatrician by her father with symptoms...

    Correct

    • A 6-week-old girl is brought to the pediatrician by her father with symptoms of vomiting and diarrhea for the past 5 days. She has also developed a new rash that is bothering her and has a runny nose. The father denies any weight loss, fever, or other family members being sick.

      Upon further questioning, the father reveals that he has recently introduced formula milk as he is planning to return to work soon and wants the baby to get used to it. The pediatrician suspects that the infant may have an intolerance to cow's milk protein.

      What would be the most appropriate alternative feed to try for this baby?

      Your Answer: Extensively hydrolysed formula

      Explanation:

      Formula options for infants with different types of intolerance vary. For infants with cow’s milk protein intolerance, a partially hydrolysed formula is recommended as it contains proteins that are less allergenic. Amino acid-based formula is suitable for infants with severe intolerance, although it may not be as palatable. High protein formula is used for pre-term infants, but recent studies suggest that it may increase the risk of obesity in the long-term. Lactose-free formula is appropriate for infants with lactose intolerance, which is characterized by gastrointestinal symptoms rather than rash and runny nose.

      Understanding Cow’s Milk Protein Intolerance/Allergy

      Cow’s milk protein intolerance/allergy (CMPI/CMPA) is a condition that affects around 3-6% of children, typically presenting in the first 3 months of life in formula-fed infants. Both immediate and delayed reactions can occur, with CMPA used for immediate reactions and CMPI for mild-moderate delayed reactions. Symptoms include regurgitation, vomiting, diarrhea, urticaria, atopic eczema, colic symptoms, wheeze, chronic cough, and rarely, angioedema and anaphylaxis. Diagnosis is often clinical, with investigations including skin prick/patch testing and total IgE and specific IgE (RAST) for cow’s milk protein.

      Management for formula-fed infants includes using extensive hydrolyzed formula (eHF) milk as the first-line replacement formula for mild-moderate symptoms and amino acid-based formula (AAF) for severe CMPA or if no response to eHF. Around 10% of infants are also intolerant to soya milk. For breastfed infants, mothers should eliminate cow’s milk protein from their diet and consider prescribing calcium supplements to prevent deficiency. eHF milk can be used when breastfeeding stops until at least 6 months and up to 12 months of age.

      The prognosis for CMPI is usually good, with most children becoming milk tolerant by the age of 3-5 years. However, a challenge is often performed in a hospital setting as anaphylaxis can occur. It is important to refer infants with severe symptoms to a pediatrician for management. Understanding CMPI/CMPA and its management can help parents and healthcare providers provide appropriate care for affected children.

    • This question is part of the following fields:

      • Paediatrics
      52.6
      Seconds
  • Question 3 - A 35-year-old woman presents to her GP with complaints of unexplained weight loss...

    Incorrect

    • A 35-year-old woman presents to her GP with complaints of unexplained weight loss and vague symptoms. During the examination, the GP detects a suspicious lump on her neck and refers her urgently to ENT. To expedite the process, the GP conducts several investigations and observes a significant elevation in calcitonin levels. Which type of cancer is associated with calcitonin as a tumor marker?

      Your Answer: Anaplastic thyroid cancer

      Correct Answer: Medullary thyroid cancer

      Explanation:

      The presence of calcitonin in the blood can indicate the presence of medullary thyroid cancer, as this type of cancer originates from the parafollicular cells that produce calcitonin. Therefore, calcitonin is considered a tumor marker for medullary thyroid cancer.

      Understanding Tumour Markers

      Tumour markers are substances that can be found in the blood, urine, or tissues of people with cancer. They are often used to help diagnose and monitor cancer, as well as to determine the effectiveness of treatment. Tumour markers can be divided into different categories, including monoclonal antibodies against carbohydrate or glycoprotein tumour antigens, tumour antigens, enzymes, and hormones.

      Monoclonal antibodies are used to target specific tumour antigens, which are proteins or other molecules that are found on the surface of cancer cells. Some common tumour markers include CA 125 for ovarian cancer, CA 19-9 for pancreatic cancer, and CA 15-3 for breast cancer. However, it is important to note that tumour markers usually have a low specificity, meaning that they can also be found in people without cancer.

      Tumour antigens are proteins that are produced by cancer cells and can be detected in the blood or tissues of people with cancer. Some examples of tumour antigens include prostate specific antigen (PSA) for prostatic carcinoma, alpha-feto protein (AFP) for hepatocellular carcinoma and teratoma, and carcinoembryonic antigen (CEA) for colorectal cancer.

      Enzymes and hormones can also be used as tumour markers. For example, alkaline phosphatase and neurone specific enolase are enzymes that can be elevated in people with cancer, while hormones such as calcitonin and ADH can be used to detect certain types of cancer.

      In summary, tumour markers are an important tool in the diagnosis and monitoring of cancer. However, they should be used in conjunction with other diagnostic tests and imaging studies, as they are not always specific to cancer and can also be elevated in people without cancer.

    • This question is part of the following fields:

      • Haematology/Oncology
      54.9
      Seconds
  • Question 4 - A 25-year-old man collapses while playing basketball with his friends on a weekend....

    Incorrect

    • A 25-year-old man collapses while playing basketball with his friends on a weekend. He is brought to the emergency department but is pronounced dead after experiencing cardiac arrest, despite receiving adequate life support. His family is in shock and cannot comprehend how this could have happened, as he was always healthy and an avid athlete. However, they do mention that two other family members have also died young under similar circumstances.

      What is the correct method of inheritance for this condition?

      Your Answer: X-linked dominant

      Correct Answer: Autosomal dominant

      Explanation:

      Based on the individual’s cause of death and family medical history, it is likely that hypertrophic cardiomyopathy was a contributing factor. This condition involves thickening of the heart muscle, which can lead to impaired cardiac function and sudden death, particularly in young athletes. Hypertrophic cardiomyopathy often has a genetic component, with familial cases being inherited in an autosomal dominant pattern and linked to mutations in genes that encode for sarcomere proteins. The presence of asymmetric septal hypertrophy and systolic anterior movement on echocardiogram or cMR further supports a diagnosis of hypertrophic cardiomyopathy.

      Hypertrophic obstructive cardiomyopathy (HOCM) is a genetic disorder that affects muscle tissue and is caused by mutations in genes encoding contractile proteins. It is characterized by left ventricle hypertrophy, diastolic dysfunction, and myofibrillar hypertrophy with disarray and fibrosis on biopsy. HOCM can be asymptomatic or present with exertional dyspnea, angina, syncope, sudden death, arrhythmias, heart failure, jerky pulse, and systolic murmurs. It is associated with Friedreich’s ataxia and Wolff-Parkinson White. ECG findings include left ventricular hypertrophy, non-specific ST segment and T-wave abnormalities, and deep Q waves.

    • This question is part of the following fields:

      • Genetics
      32.7
      Seconds
  • Question 5 - A 35-year-old woman presents with epigastric pain which radiates to the back. She...

    Correct

    • A 35-year-old woman presents with epigastric pain which radiates to the back. She feels nauseous and has been vomiting since arriving at the Emergency Department. On questioning, the woman tells you that she takes no regular medication. She was last in hospital three years ago after she slipped and fell in the shower. She was not admitted. She travelled to Thailand to visit relatives two months ago.
      On examination, the woman’s abdomen is tender in the epigastrium. She is jaundiced. She is also tachycardia and pyrexia.
      Investigations reveal the following:
      Investigation Result Normal
      Alkaline phosphatase (ALP) 280 IU 30–130 IU
      Alanine aminotransferase (ALT) 50 IU 5–30 IU
      Bilirubin 40 µmol/l 2–17 µmol/l
      Amylase 900 u/l 30-100 u/l
      What is the best initial treatment for this woman?

      Your Answer: Admission, intravenous (IV) fluids, analgesia, and place a nasogastric tube

      Explanation:

      Initial Treatment for Pancreatitis: What to Do and What Not to Do

      Pancreatitis is a serious condition that requires prompt and appropriate treatment. The initial management of pancreatitis involves admission, intravenous (IV) fluids, analgesia, and placing a nasogastric tube. However, there are certain things that should not be done in the initial treatment of pancreatitis.

      One of the things that should not be done is administering antibiotics unless the pancreatitis is complicated by pancreatic necrosis, an abscess, or a pseudocyst > 6 cm for < 6 weeks. Another thing that should not be done is performing surgical intervention unless the pancreatitis is complicated by the aforementioned conditions. It is important to note that acute pancreatitis can cause a fever without the presence of an abscess or pseudocyst. Therefore, it is crucial to monitor the patient’s condition closely and perform further investigations if necessary. In addition, it is important to consider the patient’s medical history. If the patient has a history of excess alcohol consumption, this may be the cause of pancreatitis. In such cases, appropriate initial treatment should be given without delay. Overall, the initial treatment of pancreatitis should focus on stabilizing the patient’s condition and addressing the underlying cause of the condition. With proper management, the patient can recover from pancreatitis and avoid complications.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      60.6
      Seconds
  • Question 6 - As a foundation year two doctor in the emergency department, you are tasked...

    Correct

    • As a foundation year two doctor in the emergency department, you are tasked to assess a twenty-six-year-old man who fell on his right ankle while intoxicated last night. According to the patient, he was able to bear weight after the incident and continued his night out. However, he woke up the next day with ankle swelling and pain. Upon examination, you observed minimal swelling and bruising, but there is general tenderness and good mobility. What imaging modality would you recommend for this case?

      Your Answer: No imaging

      Explanation:

      The Ottowa ankle rules specify that imaging is necessary after trauma if there is point tenderness over the distal 6 cm of the lateral or medial malleolus, or an inability to bear weight by at least four steps immediately after the injury and in the emergency department. X-ray is the recommended first-line imaging. As this patient does not exhibit any of these indications, an x-ray is not needed.

      Ottawa Rules for Ankle Injuries

      The Ottawa Rules provide a guideline for determining whether an ankle x-ray is necessary after an injury. These rules have a sensitivity approaching 100%, meaning they are highly accurate. An ankle x-ray is only required if there is pain in the malleolar zone and one of the following findings: bony tenderness at the lateral malleolar zone or medial malleolar zone, or inability to walk four weight-bearing steps immediately after the injury and in the emergency department.

      The lateral malleolar zone is from the tip of the lateral malleolus to include the lower 6 cm of the posterior border of the fibular, while the medial malleolar zone is from the tip of the medial malleolus to the lower 6 cm of the posterior border of the tibia. These rules help healthcare professionals determine whether an ankle x-ray is necessary, which can save time and resources. It is important to note that there are also Ottawa rules available for foot and knee injuries. By following these guidelines, healthcare professionals can provide efficient and effective care for ankle injuries.

    • This question is part of the following fields:

      • Musculoskeletal
      68.6
      Seconds
  • Question 7 - A 70-year-old man in the cardiology ward is experiencing muscle cramps, palpitations, and...

    Incorrect

    • A 70-year-old man in the cardiology ward is experiencing muscle cramps, palpitations, and constipation. Upon conducting blood tests, the following results were obtained: Sodium 140 mmol/L, Potassium 3.1mmol/L, Calcium 2.2mmol/L, Phosphate 1.1mmol/L, and Magnesium 0.7mmol/L. Which medication is the most probable cause of this disturbance?

      Your Answer: Enalapril

      Correct Answer: Bumetanide

      Explanation:

      Hypokalaemia is a possible adverse effect of loop diuretics, such as bumetanide. Other potential side effects of bumetanide include hypocalcaemia, metabolic alkalosis, ototoxicity, and gout. Digoxin toxicity may lead to hyperkalaemia, but not hypokalaemia. Ace inhibitors like enalapril are more likely to cause hyperkalaemia than hypokalaemia, and may also result in dry cough, hypotension, and angioedema. Propranolol, a non-selective beta blocker, is not typically associated with hypokalaemia, but may cause bronchospasm, hypertriglyceridemia, and hypoglycaemia.

      Loop Diuretics: Mechanism of Action and Indications

      Loop diuretics, such as furosemide and bumetanide, are medications that inhibit the Na-K-Cl cotransporter (NKCC) in the thick ascending limb of the loop of Henle. This reduces the absorption of NaCl and increases the excretion of water and electrolytes, making them effective in treating conditions such as heart failure and resistant hypertension. Loop diuretics act on NKCC2, which is more prevalent in the kidneys.

      As loop diuretics work on the apical membrane, they must first be filtered into the tubules by the glomerulus before they can have an effect. This means that patients with poor renal function may require higher doses to achieve a sufficient concentration within the tubules.

      Loop diuretics are commonly used in the treatment of heart failure, both acutely (usually intravenously) and chronically (usually orally). They are also effective in treating resistant hypertension, particularly in patients with renal impairment.

      However, loop diuretics can have adverse effects, including hypotension, hyponatremia, hypokalemia, hypomagnesemia, hypochloremic alkalosis, ototoxicity, hypocalcemia, renal impairment (from dehydration and direct toxic effect), hyperglycemia (less common than with thiazides), and gout.

      In summary, loop diuretics are effective medications for treating heart failure and resistant hypertension, but their use should be carefully monitored due to potential adverse effects. Patients with poor renal function may require higher doses to achieve therapeutic effects.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      50.5
      Seconds
  • Question 8 - A 65-year-old man arrives at the emergency department with a dense left-sided hemiparesis...

    Correct

    • A 65-year-old man arrives at the emergency department with a dense left-sided hemiparesis that has been ongoing for 10 hours. A CT scan of the head reveals a hypodense area in the right middle cerebral artery territory, and he is admitted to the hyper-acute stroke unit for further treatment. He is given 300mg of aspirin. While in the hospital, an ECG shows an irregularly irregular rhythm with no p waves. The patient inquires about ways to decrease the risk of future strokes. What is the most appropriate course of action?

      Your Answer: Start anticoagulation with a direct oral anticoagulant (DOAC) after 2 weeks

      Explanation:

      Managing Atrial Fibrillation Post-Stroke

      Atrial fibrillation is a significant risk factor for ischaemic stroke, making it crucial to identify and treat the condition in patients who have suffered a stroke or transient ischaemic attack (TIA). However, before starting any anticoagulation or antiplatelet therapy, it is important to rule out haemorrhage. For long-term stroke prevention, NICE Clinical Knowledge Summaries recommend warfarin or a direct thrombin or factor Xa inhibitor. The timing of when to start treatment depends on whether it is a TIA or stroke. In the case of a TIA, anticoagulation for AF should begin immediately after imaging has excluded haemorrhage. For acute stroke patients, anticoagulation therapy should be initiated after two weeks in the absence of haemorrhage. Antiplatelet therapy should be given during the intervening period. However, if imaging shows a very large cerebral infarction, the initiation of anticoagulation should be delayed.

      Overall, managing atrial fibrillation post-stroke requires careful consideration of the patient’s individual circumstances and imaging results. By following these guidelines, healthcare professionals can help prevent future strokes and improve patient outcomes.

    • This question is part of the following fields:

      • Neurology
      644.2
      Seconds
  • Question 9 - A 57-year-old man with no significant medical history is hospitalized after experiencing an...

    Correct

    • A 57-year-old man with no significant medical history is hospitalized after experiencing an ischemic stroke. He arrived outside of the thrombolysis window and is given aspirin for the first few days. His blood pressure is 130/80 mmHg, fasting glucose is 5.6 mmol/l, and fasting cholesterol is 3.9 mmol/l. He makes a remarkable recovery and is discharged with almost all of his previous functions restored. According to the latest NICE guidelines, what medication should he be prescribed upon discharge (i.e. after 14 days)?

      Your Answer: Clopidogrel + statin

      Explanation:

      The Royal College of Physicians (RCP) and NICE have published guidelines on the diagnosis and management of patients following a stroke. The management of acute stroke includes maintaining normal levels of blood glucose, hydration, oxygen saturation, and temperature. Blood pressure should not be lowered in the acute phase unless there are complications. Aspirin should be given as soon as possible if a haemorrhagic stroke has been excluded. Anticoagulants should not be started until brain imaging has excluded haemorrhage. Thrombolysis with alteplase should only be given if administered within 4.5 hours of onset of stroke symptoms and haemorrhage has been definitively excluded. Mechanical thrombectomy is a new treatment option for patients with an acute ischaemic stroke. NICE recommends thrombectomy for people who have acute ischaemic stroke and confirmed occlusion of the proximal anterior circulation demonstrated by computed tomographic angiography or magnetic resonance angiography. Secondary prevention includes the use of clopidogrel and dipyridamole. Carotid artery endarterectomy should only be considered if carotid stenosis is greater than 70% according to ECST criteria or greater than 50% according to NASCET criteria.

    • This question is part of the following fields:

      • Neurology
      113.1
      Seconds
  • Question 10 - A 27-year-old female patient presents to you for her cervical cancer screening and...

    Correct

    • A 27-year-old female patient presents to you for her cervical cancer screening and expresses interest in learning more about HPV (human papillomavirus). What is a true statement regarding HPV?

      Your Answer: HPV 16 and 18 are most commonly associated with cervical cancer

      Explanation:

      The most significant risk factor for cervical cancer is infection with the human papillomavirus (HPV), particularly types 16, 18, and 33. Among the approximately 15 types of HPV that are considered high-risk for cervical cancer, HPV 16 and 18 are responsible for about 70% of cases. HPV 6 and 11, on the other hand, are associated with the formation of genital warts.

      Understanding Cervical Cancer: Risk Factors and Mechanism of HPV

      Cervical cancer is a type of cancer that affects the cervix, which is the lower part of the uterus. It is most commonly diagnosed in women under the age of 45, with the highest incidence rates occurring in those aged 25-29. The cancer can be divided into two types: squamous cell cancer and adenocarcinoma. Symptoms may include abnormal vaginal bleeding, postcoital bleeding, intermenstrual bleeding, or postmenopausal bleeding, as well as vaginal discharge.

      The most important factor in the development of cervical cancer is the human papillomavirus (HPV), particularly serotypes 16, 18, and 33. Other risk factors include smoking, human immunodeficiency virus, early first intercourse, many sexual partners, high parity, and lower socioeconomic status. While the association between combined oral contraceptive pill use and cervical cancer is sometimes debated, a large study published in the Lancet confirmed the link.

      The mechanism by which HPV causes cervical cancer involves the production of oncogenes E6 and E7 by HPV 16 and 18, respectively. E6 inhibits the p53 tumour suppressor gene, while E7 inhibits the RB suppressor gene. Understanding the risk factors and mechanism of HPV in the development of cervical cancer is crucial for prevention and early detection. Regular cervical cancer screening is recommended for all women.

    • This question is part of the following fields:

      • Reproductive Medicine
      20.5
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  • Question 11 - A 55-year-old man with no significant medical history presents to the hospital with...

    Incorrect

    • A 55-year-old man with no significant medical history presents to the hospital with severe chest pain. Upon arrival, an ECG reveals anterior ST elevation, and he is promptly treated with thrombolysis, resulting in the resolution of symptoms and ECG changes. What combination of medications should he be prescribed four weeks after the event?

      Your Answer: Beta-blocker + statin + aspirin + clopidogrel

      Correct Answer: ACE inhibitor + beta-blocker + statin + aspirin + clopidogrel

      Explanation:

      Myocardial infarction (MI) is a serious condition that requires proper management to prevent further complications. In 2013, NICE released guidelines on the secondary prevention of MI. One of the key recommendations is the use of four drugs: dual antiplatelet therapy (aspirin plus a second antiplatelet agent), ACE inhibitor, beta-blocker, and statin. Patients are also advised to adopt a Mediterranean-style diet and engage in regular exercise. Sexual activity may resume four weeks after an uncomplicated MI, and PDE5 inhibitors may be used six months after the event.

      Most patients with acute coronary syndrome are now given dual antiplatelet therapy, with ticagrelor and prasugrel being the preferred options. The treatment period for these drugs is 12 months, after which they should be stopped. However, this period may be adjusted for patients at high risk of bleeding or further ischaemic events. Additionally, patients with heart failure and left ventricular systolic dysfunction should be treated with an aldosterone antagonist within 3-14 days of the MI, preferably after ACE inhibitor therapy.

      Overall, the NICE guidelines provide a comprehensive approach to the secondary prevention of MI. By following these recommendations, patients can reduce their risk of further complications and improve their overall health outcomes.

    • This question is part of the following fields:

      • Cardiovascular
      35.8
      Seconds
  • Question 12 - A 64-year-old man is scheduled for a follow-up after a positive faecal occult...

    Incorrect

    • A 64-year-old man is scheduled for a follow-up after a positive faecal occult blood test as part of the national screening programme. While discussing colonoscopy, he inquires about the percentage of patients with a positive faecal occult blood test who have colorectal cancer. What is the most precise response?

      Your Answer: 30 - 50%

      Correct Answer: 5 - 15%

      Explanation:

      The likelihood of having an adenoma increases with a positive result on a faecal occult blood test.

      Colorectal Cancer Screening: Faecal Immunochemical Test (FIT)

      Colorectal cancer is often developed from adenomatous polyps. Screening for this type of cancer has been proven to reduce mortality by 16%. The NHS offers a home-based screening programme called Faecal Immunochemical Test (FIT) to older adults. A one-off flexible sigmoidoscopy was trialled in England for people aged 55 years, but it was abandoned in 2021 due to the inability to recruit enough clinical endoscopists, which was exacerbated by the COVID-19 pandemic. The trial, partly funded by Cancer Research UK, showed promising early results, and it remains to be seen whether flexible sigmoidoscopy will be used as part of a future bowel screening programme.

      Faecal Immunochemical Test (FIT) Screening:
      The NHS now has a national screening programme that offers screening every two years to all men and women aged 60 to 74 years in England and 50 to 74 years in Scotland. Patients aged over 74 years may request screening. Eligible patients are sent FIT tests through the post. FIT is a type of faecal occult blood (FOB) test that uses antibodies that specifically recognise human haemoglobin (Hb). It is used to detect and quantify the amount of human blood in a single stool sample. FIT has advantages over conventional FOB tests because it only detects human haemoglobin, as opposed to animal haemoglobin ingested through diet. Only one faecal sample is needed compared to the 2-3 for conventional FOB tests. While a numerical value is generated, this is not reported to the patient or GP. Instead, they will be informed if the test is normal or abnormal. Patients with abnormal results are offered a colonoscopy. At colonoscopy, approximately 5 out of 10 patients will have a normal exam, 4 out of 10 patients will be found to have polyps that may be removed due to their premalignant potential, and 1 out of 10 patients will be found to have cancer.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      52.9
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  • Question 13 - A 65-year-old woman presents to the emergency department with central abdominal pain. She...

    Incorrect

    • A 65-year-old woman presents to the emergency department with central abdominal pain. She has vomited twice since the onset of the pain and has not passed any wind or faeces in the last twelve hours. Her medical history includes a partial small bowel resection due to traumatic perforation. On examination, her abdomen appears distended and there is generalised tenderness on palpation. Her blood tests reveal a Hb level of 153 g/L (115 - 160), platelets of 312 * 109/L (150 - 400), WBC count of 10.8 * 109/L (4.0 - 11.0), bilirubin of 17 µmol/L (3 - 17), ALP of 78 u/L (30 - 100), ALT of 29 u/L (3 - 40), and amylase of 880 U/L (70 - 300). What is the most likely diagnosis?

      Your Answer: Acute pancreatitis

      Correct Answer: Small bowel obstruction

      Explanation:

      Elevated serum amylase levels are not always indicative of acute pancreatitis, as they can also be seen in cases of small bowel obstruction. In this scenario, the patient is experiencing abdominal pain, vomiting, and a lack of bowel movements or gas, which are all typical symptoms of small bowel obstruction. The fact that the patient has a history of abdominal surgery further supports this diagnosis, despite the misleading blood test results. Acute cholecystitis, on the other hand, presents with different symptoms such as fever, right upper quadrant pain, and systemic distress, and does not typically cause elevated amylase levels. Acute pancreatitis may also be considered as a differential diagnosis, but it is not associated with a lack of bowel movements or gas, and previous bowel surgery is not a risk factor. Ascending cholangitis and large bowel obstruction can also be ruled out based on the patient’s symptoms and test results.

      Small bowel obstruction occurs when the small intestines are blocked, preventing the passage of food, fluids, and gas. The most common cause of this condition is adhesions, which can develop after previous surgeries, followed by hernias. Symptoms of small bowel obstruction include diffuse, central abdominal pain, nausea and vomiting (often bilious), constipation, and abdominal distension. Tinkling bowel sounds may also be present in early stages of obstruction. Abdominal x-ray is typically the first-line imaging for suspected small bowel obstruction, showing distended small bowel loops with fluid levels. CT is more sensitive and considered the definitive investigation, particularly in early obstruction. Management involves initial steps such as NBM, IV fluids, and nasogastric tube with free drainage. Some patients may respond to conservative management, but others may require surgery.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      61.7
      Seconds
  • Question 14 - A 42-year-old woman who is six weeks pregnant presents to the Cardiovascular Clinic...

    Correct

    • A 42-year-old woman who is six weeks pregnant presents to the Cardiovascular Clinic with a swollen right leg. Doppler studies confirm a deep vein thrombosis (DVT). She has no signs or symptoms of a pulmonary embolism (PE) and is haemodynamically stable. What is the most appropriate management choice in this case?

      Your Answer: Start subcutaneous low molecular weight heparin (LMWH) throughout pregnancy and change to warfarin in the postpartum period

      Explanation:

      Treatment Options for Deep Vein Thrombosis in Pregnancy

      Start subcutaneous low molecular weight heparin (LMWH) throughout pregnancy and change to warfarin in the postpartum period: LMWH is recommended for the treatment of DVT during pregnancy. Treatment should be continued for at least three months and until six weeks postpartum. Warfarin can be used after day five of the postpartum period. Both LMWH and warfarin are safe to use while breastfeeding.

      Elastic band compression of the affected leg, bedrest, and foot elevation: These measures have no benefit in treating DVT and may even increase the risk of developing a pulmonary embolism (PE) or another DVT.

      Commence intravenous (IV) heparin: IV heparin can be used for the treatment of a shocked patient with PE if thrombolysis is not possible. It should not be used for DVT alone.

      Oral anticoagulation with warfarin daily throughout pregnancy and the postpartum period: Warfarin is not recommended during pregnancy as it can cross the placenta and increase the risk of congenital malformations and bleeding.

      Aspirin 300 mg daily throughout pregnancy and the postpartum period: Aspirin is not effective in treating DVT or PE as it is an antiplatelet drug, not an anticoagulant.

      Treatment Options for Deep Vein Thrombosis in Pregnancy

    • This question is part of the following fields:

      • Cardiovascular
      95.8
      Seconds
  • Question 15 - A 30-year-old medical student noticed that he had a murmur when he tested...

    Correct

    • A 30-year-old medical student noticed that he had a murmur when he tested his new stethoscope. On assessment in the Cardiology Clinic, he was found to have a harsh systolic murmur over his precordium, which did not change with inspiration. His electrocardiogram (ECG) showed features of biventricular hypertrophy.
      Which of the following is the most likely diagnosis?

      Your Answer: Ventricular septal defect (VSD)

      Explanation:

      Common Heart Murmurs and their Characteristics

      Heart murmurs are abnormal sounds heard during a heartbeat and can indicate underlying heart conditions. Here are some common heart murmurs and their characteristics:

      1. Ventricular Septal Defect (VSD): This has a pansystolic murmur, heard loudest at the lower left sternal edge and causing biventricular hypertrophy due to increased strain on both the right and left ventricles.

      2. Mitral Regurgitation: This has a pansystolic murmur which is heard loudest at the apex and radiates to the axilla; it is louder on expiration. The ECG can show left ventricular and left atrial enlargement.

      3. Aortic Stenosis: This causes a crescendo-decrescendo murmur, heard loudest in the aortic area and radiating to the carotids. It (and all other left-sided murmurs) is louder on expiration.

      4. Hypertrophic Cardiomyopathy (HCM): HCM has an early peaking systolic murmur which is worse on Valsalva and reduced on squatting. It is also associated with a jerky pulse. The ECG would show left ventricular hypertrophy.

      5. Tricuspid Regurgitation: This has a pansystolic murmur and a brief rumbling diastolic murmur; these are louder on inspiration. The ECG may show right ventricular enlargement.

      It is important to note that right-sided murmurs increase with inspiration (e.g. tricuspid regurgitation or TR), whereas left-sided murmurs show no change. The clue to diagnosis is in the ECG finding. Aortic stenosis and mitral regurgitation produce left ventricular hypertrophy; TR produces right ventricular hypertrophy and a VSD produces biventricular hypertrophy.

    • This question is part of the following fields:

      • Cardiovascular
      48.3
      Seconds
  • Question 16 - A 62-year-old man has been referred due to a tremor and bradykinesia, leading...

    Correct

    • A 62-year-old man has been referred due to a tremor and bradykinesia, leading to a diagnosis of Parkinson's disease. These symptoms are now interfering with his work as an accountant and overall quality of life. What initial treatment is he likely to receive?

      Your Answer: Levodopa

      Explanation:

      Patients with newly diagnosed Parkinson’s who experience motor symptoms that negatively impact their quality of life should be provided with levodopa.

      Management of Parkinson’s Disease: Medications and Considerations

      Parkinson’s disease is a complex condition that requires specialized expertise in movement disorders for diagnosis and management. However, all healthcare professionals should be familiar with the medications used to treat Parkinson’s disease due to its prevalence. The National Institute for Health and Care Excellence (NICE) published guidelines in 2017 to aid in the management of Parkinson’s disease.

      For first-line treatment, levodopa is recommended if motor symptoms are affecting the patient’s quality of life. If motor symptoms are not affecting the patient’s quality of life, dopamine agonists (non-ergot derived), levodopa, or monoamine oxidase B (MAO-B) inhibitors may be used. NICE provides tables to aid in decision-making regarding the use of these medications, taking into account their effects on motor symptoms, activities of daily living, motor complications, and adverse events.

      If a patient continues to have symptoms despite optimal levodopa treatment or has developed dyskinesia, NICE recommends the addition of a dopamine agonist, MAO-B inhibitor, or catechol-O-methyl transferase (COMT) inhibitor as an adjunct. Other considerations in Parkinson’s disease management include the risk of acute akinesia or neuroleptic malignant syndrome if medication is not taken or absorbed, the potential for impulse control disorders with dopaminergic therapy, and the need to adjust medication if excessive daytime sleepiness or orthostatic hypotension develops.

      Specific medications used in Parkinson’s disease management include levodopa, dopamine receptor agonists, MAO-B inhibitors, amantadine, COMT inhibitors, and antimuscarinics. Each medication has its own set of benefits and potential adverse effects, which should be carefully considered when selecting a treatment plan. Overall, the management of Parkinson’s disease requires a comprehensive approach that takes into account the individual needs and circumstances of each patient.

    • This question is part of the following fields:

      • Neurology
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  • Question 17 - Which one of the following statements regarding the NHS Breast Cancer Screening Programme...

    Incorrect

    • Which one of the following statements regarding the NHS Breast Cancer Screening Programme is accurate?

      Your Answer: Women are given a 'triple assessment' at each screening cycle

      Correct Answer: Women are screened every 3 years

      Explanation:

      Breast cancer screening is offered to women aged 50-70 years through the NHS Breast Screening Programme. Mammograms are provided every three years, and women over 70 years are encouraged to make their own appointments. While the effectiveness of breast screening is debated, it is estimated that the programme saves around 1,400 lives annually.

      For those with familial breast cancer, NICE guidelines recommend referral if there is a family history of breast cancer with any of the following: diagnosis before age 40, bilateral breast cancer, male breast cancer, ovarian cancer, Jewish ancestry, sarcoma in a relative under 45 years, glioma or childhood adrenal cortical carcinomas, complicated patterns of multiple cancers at a young age, or paternal history of breast cancer with two or more relatives on the father’s side. Women at increased risk due to family history may be offered screening at a younger age. Referral to a breast clinic is recommended for those with a first-degree relative diagnosed with breast cancer before age 40, a first-degree male relative with breast cancer, a first-degree relative with bilateral breast cancer before age 50, two first-degree relatives or one first-degree and one second-degree relative with breast cancer, or a first- or second-degree relative with breast and ovarian cancer.

    • This question is part of the following fields:

      • Reproductive Medicine
      24.4
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  • Question 18 - A 25-year-old man visits his GP complaining of a rash that has spread...

    Correct

    • A 25-year-old man visits his GP complaining of a rash that has spread across his trunk over the last 4 days. He is worried about the appearance of the rash. The patient has no significant medical history except for completing a course of phenoxymethylpenicillin for tonsillitis last week and takes no other regular medications. Upon examination, the doctor observes multiple scaly papules on the patient's trunk and upper limbs. The lesions are small and have a teardrop shape. What is the most probable diagnosis?

      Your Answer: Guttate psoriasis

      Explanation:

      The tear-drop scaly papules that have suddenly appeared on the patient’s trunk and limbs suggest guttate psoriasis. This type of psoriasis is commonly seen in children and young adults who have recently had a Streptococcus infection, such as the tonsillitis infection that this patient had. The rash is characterized by multiple small scaly and red patches that have a teardrop shape.

      Disseminated varicella zoster, pityriasis rosea, and pityriasis versicolor are not likely diagnoses for this patient. Disseminated varicella zoster causes a different type of rash that includes macular, papular, and vesicular lesions that crust over time. Pityriasis rosea presents with a large round herald patch on the chest, abdomen, or back, and is thought to be triggered by viral or bacterial infections. Pityriasis versicolor is a fungal infection that causes patches that are paler than the surrounding skin, and is commonly found on the upper limbs and neck. However, exposure to heat and moisture can increase the risk of developing this rash.

      Guttate psoriasis is a type of psoriasis that is more commonly seen in children and adolescents. It is often triggered by a streptococcal infection that occurred 2-4 weeks prior to the appearance of the lesions. The name guttate comes from the Latin word for drop, as the lesions appear as small, tear-shaped papules on the trunk and limbs. These papules are pink and scaly, and the onset of the condition is usually acute, occurring over a few days.

      In most cases, guttate psoriasis will resolve on its own within 2-3 months. There is no clear evidence to support the use of antibiotics to treat the underlying streptococcal infection. Treatment options for guttate psoriasis include topical agents commonly used for psoriasis and UVB phototherapy. In cases where the condition recurs, a tonsillectomy may be necessary.

      It is important to differentiate guttate psoriasis from pityriasis rosea, another skin condition that can present with similar symptoms. Guttate psoriasis is often preceded by a streptococcal sore throat, while pityriasis rosea may be preceded by a respiratory tract infection. The appearance of guttate psoriasis is characterized by tear-shaped papules on the trunk and limbs, while pityriasis rosea presents with a herald patch followed by multiple oval lesions with a fine scale. While guttate psoriasis resolves within a few months, pityriasis rosea typically resolves after around 6 weeks.

    • This question is part of the following fields:

      • Dermatology
      70.4
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  • Question 19 - An 80-year-old woman arrives at the emergency department with recent onset of left-sided...

    Correct

    • An 80-year-old woman arrives at the emergency department with recent onset of left-sided weakness. She has a medical history of atrial fibrillation and is currently taking warfarin, with an INR of 2.5 upon admission. A CT scan of her head reveals an intracerebral haemorrhage in the left basal ganglia. What steps should be taken regarding her warfarin medication?

      Your Answer: Stop the warfarin, give 5mg of vitamin K intravenously and give prothrombin complex concentrate intravenously

      Explanation:

      In the event of major bleeding, such as an intracranial haemorrhage, it is crucial to discontinue warfarin and administer intravenous vitamin K 5mg and prothrombin complex concentrate (PCC). PCC is a solution that contains coagulation factors II, VII, IX and X, specifically designed to reverse the effects of warfarin. It is recommended over fresh frozen plasma (FFP) for warfarin reversal.

      Management of High INR in Patients Taking Warfarin

      When managing patients taking warfarin who have a high INR, the approach will depend on whether there is bleeding or not. In cases of major bleeding, warfarin should be stopped immediately and intravenous vitamin K 5mg should be given along with prothrombin complex concentrate. If this is not available, fresh frozen plasma can be used instead. For minor bleeding, warfarin should also be stopped and intravenous vitamin K 1-3mg should be given. If the INR remains high after 24 hours, the dose of vitamin K can be repeated. Warfarin can be restarted once the INR is below 5.0.

      If there is no bleeding, warfarin should be stopped and vitamin K 1-5mg can be given orally using the intravenous preparation. The dose of vitamin K can be repeated if the INR remains high after 24 hours. Warfarin can be restarted once the INR is below 5.0. In cases where the INR is between 5.0-8.0, warfarin should be stopped for minor bleeding and intravenous vitamin K 1-3mg should be given. Warfarin can be restarted once the INR is below 5.0. For patients with no bleeding and an INR between 5.0-8.0, one or two doses of warfarin can be withheld and the subsequent maintenance dose can be reduced.

      It is important to note that in cases of intracranial hemorrhage, prothrombin complex concentrate should be considered instead of fresh frozen plasma as it can take time to defrost. These guidelines are based on the recommendations of the British Committee for Standards in Haematology and the British National Formulary.

    • This question is part of the following fields:

      • Neurology
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  • Question 20 - You are on GP rotation and you assess a 22-year-old student who reports...

    Incorrect

    • You are on GP rotation and you assess a 22-year-old student who reports feeling consistently low for the past 6 months. You administer a PHQ-9 questionnaire which indicates persistent mild depression. What is the first line treatment for this patient?

      Your Answer: Advise regards lifestyle and diet

      Correct Answer: Psychological intervention

      Explanation:

      The primary treatment for mild depression is psychological intervention, typically obtained through an IAPT referral. Although a patient may also be prescribed a Serotonin Specific Reuptake Inhibitor (SSRI) while waiting for their referral, it is important to note that the NICE guidelines prioritize the consideration of an IAPT referral as the first line of treatment. Therefore, an IAPT referral is the most appropriate answer in this scenario.

      In 2022, NICE updated its guidelines on managing depression and now classifies it as either less severe or more severe based on a patient’s PHQ-9 score. For less severe depression, NICE recommends discussing treatment options with patients and considering the least intrusive and resource-intensive treatment first. Antidepressant medication should not be routinely offered as first-line treatment unless it is the patient’s preference. Treatment options for less severe depression include guided self-help, group cognitive behavioral therapy, group behavioral activation, individual CBT or BA, group exercise, group mindfulness and meditation, interpersonal psychotherapy, SSRIs, counseling, and short-term psychodynamic psychotherapy. For more severe depression, NICE recommends a shared decision-making approach and suggests a combination of individual CBT and an antidepressant as the preferred treatment option. Other treatment options for more severe depression include individual CBT or BA, antidepressant medication, individual problem-solving, counseling, short-term psychodynamic psychotherapy, interpersonal psychotherapy, guided self-help, and group exercise.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 21 - A 68-year-old woman is referred with fatigue. Her primary care physician observes that...

    Correct

    • A 68-year-old woman is referred with fatigue. Her primary care physician observes that she has jaundice and suspects liver disease. She also presents with angular cheilitis. She has a history of taking steroid inhalers for asthma, but no other significant medical history. A blood smear shows signs of megaloblastic anemia, and her serum bilirubin level is elevated, but her other laboratory results are normal. There are no indications of gastrointestinal (GI) issues.
      What is the most appropriate diagnosis for this clinical presentation?

      Your Answer: Pernicious anaemia

      Explanation:

      Differential Diagnosis of Anaemia: Understanding the Causes

      Anaemia is a common condition that can be caused by a variety of factors. Here, we will discuss some of the possible causes of anaemia and their corresponding laboratory findings.

      Pernicious Anaemia: This type of anaemia is caused by a deficiency in vitamin B12 due to impaired intrinsic factor (IF) production. It is usually seen in adults aged 40-70 years and is characterized by megaloblastic changes in rapidly dividing cells. Anti-parietal cell antibodies are present in 90% of patients with pernicious anaemia. The Schilling test is useful in confirming the absence of IF. Treatment involves parenteral administration of cyanocobalamin or hydroxycobalamin.

      Chronic Myeloid Leukaemia: CML is a myeloproliferative disorder that results in increased proliferation of granulocytic cells. Symptoms include fatigue, anorexia, weight loss, and hepatosplenomegaly. Mild to moderate anaemia is usually normochromic and normocytic. Diagnosis is based on histopathological findings in the peripheral blood and Philadelphia chromosome in bone marrow cells.

      Iron Deficiency Anaemia: This type of anaemia is primarily a laboratory diagnosis and is characterized by microcytic and hypochromic erythropoiesis. It is caused by chronic iron deficiency and can be due to multiple causes, including chronic inflammation, iron malabsorption, chronic blood loss, and malabsorption of vitamin B12 or folate.

      Crohn’s Disease: This chronic inflammatory process can affect any part of the GI tract and can cause anaemia due to chronic inflammation, iron malabsorption, chronic blood loss, and malabsorption of vitamin B12 or folate. However, the lack of GI symptoms in the clinical scenario provided is not consistent with a history of inflammatory bowel disease.

      Autoimmune Hepatitis: This chronic disease is characterized by continuing hepatocellular inflammation and necrosis, with a tendency to progress to cirrhosis. Elevated serum aminotransferase levels are present in 100% of patients at initial presentation. Anaemia, if present, is usually normochromic. However, this clinical picture and laboratory findings are not consistent with the scenario given.

      In conclusion, understanding the different causes of anaemia and their corresponding laboratory findings is crucial in making an accurate diagnosis and providing appropriate treatment.

    • This question is part of the following fields:

      • Haematology/Oncology
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  • Question 22 - A 56-year-old woman presents to the emergency department with symptoms of malaise and...

    Incorrect

    • A 56-year-old woman presents to the emergency department with symptoms of malaise and diarrhoea. She reports feeling shivery and achy for the past 3 days and has had 4 watery stools in the past 24 hours. The patient has a history of breast cancer and is currently undergoing chemotherapy. Her last dose of doxorubicin and cyclophosphamide was administered 10 days ago. She has no known allergies and takes no other medications. On examination, her heart rate is 103/min, respiratory rate is 20/min with saturations of 100% in room air, blood pressure is 100/79 mmHg, and temperature is 39.1ºC.

      What is the initial management approach for this patient while awaiting the results of her blood culture?

      Your Answer: Vancomycin

      Correct Answer: Piperacillin with tazobactam (tazocin)

      Explanation:

      The recommended empirical antibiotic for managing neutropenic sepsis is Piperacillin with tazobactam (Tazocin). This is because the patient is displaying symptoms such as malaise, diarrhoea, flu-like aching, mild tachycardia, and a temperature >38ºC, and has a history of chemotherapy within the past 7-14 days. As the patient has no allergies, Tazocin should be administered until blood cultures show a specific sensitivity. Amoxicillin is not effective in treating neutropenic sepsis as it is not broad-spectrum enough. Meropenem is only indicated in patients with previous or suspected ESBL, acute leukaemia, or allogeneic stem cell transplants, and is not recommended as first-line treatment according to NICE guidelines. Teicoplanin is recommended for patients with penicillin or beta-lactam allergies and evidence of neutropenic sepsis, but should be used in combination with another non-penicillin antibiotic as per local guidelines. Vancomycin is an alternative for penicillin-allergic patients, and should be administered with gentamicin, ciprofloxacin, or amikacin depending on local guidelines and the severity of the patient’s presentation.

      Neutropenic Sepsis: A Common Complication of Cancer Therapy

      Neutropenic sepsis is a frequent complication of cancer therapy, particularly chemotherapy. It typically occurs within 7-14 days after chemotherapy and is characterized by a neutrophil count of less than 0.5 * 109 in patients undergoing anticancer treatment who exhibit a temperature higher than 38ºC or other signs or symptoms consistent with clinically significant sepsis.

      To prevent neutropenic sepsis, patients who are likely to have a neutrophil count of less than 0.5 * 109 as a result of their treatment should be offered a fluoroquinolone. In the event of neutropenic sepsis, antibiotics must be initiated immediately, without waiting for the white blood cell count.

      According to NICE guidelines, empirical antibiotic therapy should begin with piperacillin with tazobactam (Tazocin) immediately. While some units may add vancomycin if the patient has central venous access, NICE does not support this approach. After initial treatment, patients are typically assessed by a specialist and risk-stratified to determine if they may be able to receive outpatient treatment.

      If patients remain febrile and unwell after 48 hours, an alternative antibiotic such as meropenem may be prescribed, with or without vancomycin. If patients do not respond after 4-6 days, the Christie guidelines suggest ordering investigations for fungal infections (e.g. HRCT) rather than blindly initiating antifungal therapy. In selected patients, G-CSF may be beneficial.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 23 - A 28-year-old Afro-Caribbean woman presents with a 3-month history of a non-productive cough,...

    Correct

    • A 28-year-old Afro-Caribbean woman presents with a 3-month history of a non-productive cough, dyspnoea and pleuritic chest pain, especially when climbing stairs. She reports intermittent fevers of up to 39°C and a 3.5-kg weight loss. She complains of wrist and ankle pain that has interfered with her work. She smokes two packets of cigarettes per day. Her full blood count is normal and serum ANA is negative. On examination there are red nodules over her lower legs.
      Which of the following is the most likely diagnosis?

      Your Answer: Sarcoidosis

      Explanation:

      Sarcoidosis is a condition where non-caseating granulomata develop in at least two organs, causing systemic inflammation. It is most common in African-Caribbean women and often affects the lungs, causing symptoms such as dry cough, dyspnea, and weight loss. Erythema nodosum is also frequently seen in patients with sarcoidosis. Histoplasmosis, Goodpasture’s syndrome, adenocarcinoma of the lung, and systemic lupus erythematosus are all possible differential diagnoses, but the absence of specific features makes sarcoidosis more likely in this case.

    • This question is part of the following fields:

      • Respiratory Medicine
      28.2
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  • Question 24 - A pregnant woman presents at 24 weeks pregnant. What would be the expected...

    Correct

    • A pregnant woman presents at 24 weeks pregnant. What would be the expected symphysis-fundal height?

      Your Answer: 22 - 26 cm

      Explanation:

      The symphysis-fundal height in centimeters after 20 weeks of gestation is equal to the number of weeks of gestation.

      The symphysis-fundal height (SFH) is a measurement taken from the pubic bone to the top of the uterus in centimetres. It is used to determine the gestational age of a fetus and should match within 2 cm after 20 weeks. For example, if a woman is 24 weeks pregnant, a normal SFH would be between 22 and 26 cm. Proper measurement of SFH is important for monitoring fetal growth and development during pregnancy.

    • This question is part of the following fields:

      • Reproductive Medicine
      15.1
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  • Question 25 - A 28-year-old pregnant woman presents to the GP with jaundice and itchy skin...

    Correct

    • A 28-year-old pregnant woman presents to the GP with jaundice and itchy skin for the past 2 weeks. She claims that is a lot worse during this pregnancy compared to her last one. History reveals that she is currently 30 weeks pregnant with no complications up until presentation.

      On examination, the only notable findings are mild jaundice seen in the sclerae, as well as excoriations around the umbilicus and flanks. She denies any tenderness in her abdomen during the examination. Blood tests show the following:

      ALT 206 U/L
      AST 159 U/L
      ALP 796 umol/l
      GGT 397 U/L
      Bilirubin (direct) 56 umol/L
      Bile salts 34 umol/L
      Bile salts reference range 0 - 14 umol/L

      What is the most likely diagnosis?

      Your Answer: Obstetric cholestasis

      Explanation:

      Obstetric cholestasis, also known as intrahepatic cholestasis of pregnancy, is a condition that occurs when the flow of bile is impaired, resulting in a buildup of bile salts in the skin and placenta. The cause of this condition is believed to be a combination of hormonal, genetic, and environmental factors. While the pruritic symptoms can be distressing for the mother, the buildup of bile salts can also harm the fetus. The fetus’s immature liver may struggle to break down the excessive levels of bile salts, and the vasoconstricting effect of bile salts on human placental chorionic veins may lead to sudden asphyxial events in the fetus, resulting in anoxia and death.

      Intrahepatic Cholestasis of Pregnancy: Symptoms and Management

      Intrahepatic cholestasis of pregnancy, also known as obstetric cholestasis, is a condition that affects approximately 1% of pregnancies in the UK. It is characterized by intense itching, particularly on the palms, soles, and abdomen, and may also result in clinically detectable jaundice in around 20% of patients. Raised bilirubin levels are seen in over 90% of cases.

      The management of intrahepatic cholestasis of pregnancy typically involves induction of labor at 37-38 weeks, although this practice may not be evidence-based. Ursodeoxycholic acid is also widely used, although the evidence base for its effectiveness is not clear. Additionally, vitamin K supplementation may be recommended.

      It is important to note that the recurrence rate of intrahepatic cholestasis of pregnancy in subsequent pregnancies is high, ranging from 45-90%. Therefore, close monitoring and management are necessary for women who have experienced this condition in the past.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      82.9
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  • Question 26 - A 35-year-old female patient attends a routine appointment at the GP surgery to...

    Correct

    • A 35-year-old female patient attends a routine appointment at the GP surgery to discuss her use of the combined oral contraceptive pill (COCP). She informs you that she has recently started taking some medications and is concerned about their potential impact on the effectiveness of the contraceptive pill. Can you identify which medication may decrease the efficacy of the COCP?

      Your Answer: St John's wort

      Explanation:

      If enzyme-inducing drugs are taken at the same time as the combined oral contraceptive pill, its effectiveness is decreased. Out of the given choices, only St John’s wort is an enzyme inducer, while the rest are enzyme inhibitors.

      Counselling for Women Considering the Combined Oral Contraceptive Pill

      Women who are considering taking the combined oral contraceptive pill (COC) should receive counselling on the potential harms and benefits of the pill. The COC is highly effective if taken correctly, with a success rate of over 99%. However, there is a small risk of blood clots, heart attacks, and strokes, as well as an increased risk of breast and cervical cancer.

      In addition to discussing the potential risks and benefits, women should also receive advice on how to take the pill. If the COC is started within the first 5 days of the menstrual cycle, there is no need for additional contraception. However, if it is started at any other point in the cycle, alternative contraception should be used for the first 7 days. Women should take the pill at the same time every day and should be aware that intercourse during the pill-free period is only safe if the next pack is started on time.

      There have been recent changes to the guidelines for taking the COC. While it was previously recommended to take the pill for 21 days and then stop for 7 days to mimic menstruation, it is now recommended to discuss tailored regimes with women. This is because there is no medical benefit to having a withdrawal bleed, and options include never having a pill-free interval or taking three 21-day packs back-to-back before having a 4 or 7 day break.

      Women should also be informed of situations where the efficacy of the pill may be reduced, such as vomiting within 2 hours of taking the pill, medication that induces diarrhoea or vomiting, or taking liver enzyme-inducing drugs. It is also important to discuss sexually transmitted infections and precautions that should be taken with enzyme-inducing antibiotics such as rifampicin.

      Overall, counselling for women considering the COC should cover a range of topics to ensure that they are fully informed and able to make an informed decision about their contraceptive options.

    • This question is part of the following fields:

      • Reproductive Medicine
      23
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  • Question 27 - A 30-year-old female patient visits the clinic as she has not had a...

    Incorrect

    • A 30-year-old female patient visits the clinic as she has not had a menstrual period for 5 months. She has had regular periods since she was 12 years old. After conducting a negative urinary pregnancy test, the doctor ordered some blood tests. The results are as follows:
      FSH 4.2 IU/L (4.5 - 22.5)
      LH 0.5 IU/L (0.5 - 50.0)
      Oestradiol 110 pmol/L (100 - 1000)
      Testosterone 1.2 nmol/L (0.8-3.1)
      Prolactin 280 IU/mL (60-600)
      T4 11.5 pmol/l (9-18)

      What is the most probable diagnosis?

      Your Answer: Premature ovarian failure

      Correct Answer: Hypothalamic amenorrhoea

      Explanation:

      If a woman experiences secondary amenorrhoea and has low levels of gonadotrophins, it suggests that the cause is related to the hypothalamus. High levels of gonadotrophins would indicate premature ovarian failure, while high levels of LH and androgens would suggest polycystic ovarian syndrome. Normal levels of prolactin and thyroxine have been observed in this woman.

      Understanding Amenorrhoea: Causes, Investigations, and Management

      Amenorrhoea is a condition characterized by the absence of menstrual periods in women. It can be classified into two types: primary and secondary. Primary amenorrhoea occurs when menstruation fails to start by the age of 15 in girls with normal secondary sexual characteristics or by the age of 13 in girls with no secondary sexual characteristics. On the other hand, secondary amenorrhoea is the cessation of menstruation for 3-6 months in women with previously normal and regular menses or 6-12 months in women with previous oligomenorrhoea.

      There are various causes of amenorrhoea, including gonadal dysgenesis, testicular feminization, congenital malformations of the genital tract, functional hypothalamic amenorrhoea, congenital adrenal hyperplasia, imperforate hymen, hypothalamic amenorrhoea, polycystic ovarian syndrome, hyperprolactinemia, premature ovarian failure, Sheehan’s syndrome, Asherman’s syndrome, and thyrotoxicosis. To determine the underlying cause of amenorrhoea, initial investigations such as full blood count, urea & electrolytes, coeliac screen, thyroid function tests, gonadotrophins, prolactin, and androgen levels are necessary.

      The management of amenorrhoea depends on the underlying cause. For primary amenorrhoea, it is important to investigate and treat any underlying cause. Women with primary ovarian insufficiency due to gonadal dysgenesis may benefit from hormone replacement therapy to prevent osteoporosis. For secondary amenorrhoea, it is important to exclude pregnancy, lactation, and menopause in women 40 years of age or older and treat the underlying cause accordingly. It is important to note that hypothyroidism may also cause amenorrhoea.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 28 - A 10-year-old child receives primary immunisation against hepatitis B. What should be checked...

    Correct

    • A 10-year-old child receives primary immunisation against hepatitis B. What should be checked four months later to ensure an adequate response to immunisation?

      Your Answer: Anti-HBs

      Explanation:

      While a minimum of 10 mIU/ml is considered sufficient to provide protection against infection, it is recommended to attain anti-HBs levels exceeding 100 mIU/ml.

      Interpreting hepatitis B serology is an important skill that is still tested in medical exams. It is crucial to keep in mind a few key points. The surface antigen (HBsAg) is the first marker to appear and triggers the production of anti-HBs. If HBsAg is present for more than six months, it indicates chronic disease, while its presence for one to six months implies acute disease. Anti-HBs indicates immunity, either through exposure or immunization, and is negative in chronic disease. Anti-HBc indicates previous or current infection, with IgM anti-HBc appearing during acute or recent hepatitis B infection and persisting IgG anti-HBc. HbeAg is a marker of infectivity and HBV replication.

      To illustrate, if someone has been previously immunized, their anti-HBs will be positive, while all other markers will be negative. If they had hepatitis B more than six months ago but are not a carrier, their anti-HBc will be positive, and HBsAg will be negative. However, if they are now a carrier, both anti-HBc and HBsAg will be positive. If HBsAg is present, it indicates an ongoing infection, either acute or chronic if present for more than six months. On the other hand, anti-HBc indicates that the person has caught the virus, and it will be negative if they have been immunized.

    • This question is part of the following fields:

      • Paediatrics
      41.9
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  • Question 29 - A 6-week-old infant is brought to the GP clinic by her mother for...

    Correct

    • A 6-week-old infant is brought to the GP clinic by her mother for a check-up. The mother is concerned about her daughter's occasional fever and wants to have her checked. The baby appears active and healthy, breathing comfortably with a central capillary refill of less than 2 seconds. She has no rashes and is of normal color.

      The following observations and growth measurements are recorded:
      - Heart rate: 140 beats per minute (normal range: 115-180)
      - Oxygen saturation: 99% on room air
      - Respiratory rate: 42 breaths per minute (normal range: 25-60)
      - Temperature: 38.7ºC
      - Weight: 75th percentile
      - Height: 50th percentile
      - Head circumference: 75th percentile

      What would be the most appropriate course of action?

      Your Answer: Refer to the paediatric emergency department

      Explanation:

      If an infant is under 3 months old and has a fever over 38ºC, it is crucial to consider the possibility of a serious infection. In this case, it is not appropriate to assess the infant in a GP clinic. Instead, they should be immediately referred to a paediatric emergency department for monitoring and potential investigations, such as urine, chest X-ray, blood cultures, or lumbar puncture, depending on the progression of symptoms. Keeping the infant in the GP clinic for observations is not recommended, as they may deteriorate rapidly and become difficult to manage in that setting. Reassurance and review are usually appropriate for a febrile infant with an obvious infective focus, but not for an infant under 3 months old with no apparent focus of infection. Similarly, an urgent referral to an outpatient paediatrician is not appropriate, as it may take too long to organise and may not be able to manage sudden deterioration.

      The NICE Feverish illness in children guidelines were introduced in 2007 and updated in 2013. These guidelines use a ‘traffic light’ system to assess the risk of children under 5 years old presenting with a fever. It is important to note that these guidelines only apply until a clinical diagnosis of the underlying condition has been made. When assessing a febrile child, their temperature, heart rate, respiratory rate, and capillary refill time should be recorded. Signs of dehydration should also be looked for. Measuring temperature should be done with an electronic thermometer in the axilla if the child is under 4 weeks old or with an electronic/chemical dot thermometer in the axilla or an infra-red tympanic thermometer.

      The risk stratification table includes green for low risk, amber for intermediate risk, and red for high risk. If a child is categorized as green, they can be managed at home with appropriate care advice. If they are categorized as amber, parents should be provided with a safety net or referred to a pediatric specialist for further assessment. If a child is categorized as red, they should be urgently referred to a pediatric specialist. It is important to note that oral antibiotics should not be prescribed to children with fever without an apparent source, and a chest x-ray does not need to be routinely performed if a pneumonia is suspected but the child is not going to be referred to the hospital.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 30 - A 15-year-old student presents to his General Practitioner with symptoms of tingling and...

    Correct

    • A 15-year-old student presents to his General Practitioner with symptoms of tingling and irritation in his mouth and throat on two or three occasions in the past year. Most recently, he suffered from swelling of his throat and difficulty breathing after receiving a local anaesthetic for tooth extraction at the dentist. He reports that his father died of a suspected allergic reaction when he was 42 years old.
      Investigations reveal the following:
      Investigation Result Normal value
      Haemoglobin (Hb) 129 g/l 135–175 g/l
      White cell count (WCC) 6.8 × 109/l 4.0–11.0 × 109/l
      Platelets (PLT) 341 × 109/l 150–400 × 109/l
      Erythrocyte sedimentation rate (ESR) 5 mm/hour 1–20 mm/hour
      Patch testing Mild reaction to grass pollens
      C4 Low
      C3 Normal
      Which of the following is the most likely diagnosis in this case?

      Your Answer: Hereditary angio-oedema

      Explanation:

      The correct diagnosis for this patient is hereditary angio-oedema, also known as hereditary angioneurotic oedema. This is an autosomal dominant disorder caused by a congenital deficiency of the C1 inhibitor protein, which is mapped to chromosome 11. In some cases, C1 inhibitor levels are normal but have reduced function. Symptoms typically appear during adolescence and include recurrent attacks of pain, tingling, or itching, particularly around the mouth and pharynx, which may be triggered by increased circulating sex steroids or dental anaesthesia using lidocaine. Diagnosis is made by measuring complement levels, with C4 always low during attacks and often low in between, while C3 and C1q are always normal. Treatment involves using C1 inhibitor concentrate during acute attacks and danazol to increase C4 levels and reduce the frequency and severity of attacks. ACE inhibitors are contraindicated due to the risk of bradykinin accumulation. Acquired angio-oedema, which is caused by an acquired C1 inhibitor deficiency and is associated with lymphoproliferative disorders, is a different condition. Protein C deficiency is a genetic prothrombotic condition that does not explain this patient’s symptoms, and somatisation disorder is unlikely given the clear test abnormalities related to the patient’s symptoms.

    • This question is part of the following fields:

      • Immunology/Allergy
      90.4
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  • Question 31 - A 28-year-old man with a history of moderate ulcerative colitis and taking mesalazine...

    Correct

    • A 28-year-old man with a history of moderate ulcerative colitis and taking mesalazine presents with a fever and sore throat for the past week. What is the primary investigation that needs to be done initially?

      Your Answer: Full blood count

      Explanation:

      If a patient is taking aminosalicylates, they may experience various haematological adverse effects, such as agranulocytosis. Therefore, it is crucial to conduct a full blood count promptly if the patient presents with symptoms like fever, fatigue, bleeding gums, or a sore throat to rule out agranulocytosis. While C-reactive protein may be a part of the overall management plan, it is not the most critical initial investigation and is unlikely to alter the management plan. Similarly, while a throat swab may be necessary, it is not the most crucial initial investigation. The monospot test for glandular fever may be useful if glandular fever is suspected, but it is not the most important initial investigation.

      Aminosalicylate drugs, such as 5-aminosalicyclic acid (5-ASA), are released in the colon and act locally as anti-inflammatories. The exact mechanism of action is not fully understood, but it is believed that 5-ASA may inhibit prostaglandin synthesis. Sulphasalazine is a combination of sulphapyridine and 5-ASA, but many of its side-effects are due to the sulphapyridine component, including rashes, oligospermia, headache, Heinz body anaemia, megaloblastic anaemia, and lung fibrosis. Other side-effects are common to 5-ASA drugs, such as mesalazine, which is a delayed release form of 5-ASA that avoids the sulphapyridine side-effects seen in patients taking sulphasalazine. However, mesalazine is still associated with side-effects such as gastrointestinal upset, headache, agranulocytosis, pancreatitis, and interstitial nephritis. Olsalazine is another aminosalicylate drug that consists of two molecules of 5-ASA linked by a diazo bond, which is broken by colonic bacteria.

      It is important to note that aminosalicylates are associated with various haematological adverse effects, including agranulocytosis, and a full blood count (FBC) is a key investigation in an unwell patient taking them. Additionally, pancreatitis is seven times more common in patients taking mesalazine than in those taking sulfasalazine.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      31.5
      Seconds
  • Question 32 - A 25-year-old man with difficult to control epilepsy is being evaluated by a...

    Incorrect

    • A 25-year-old man with difficult to control epilepsy is being evaluated by a surgeon, four months after switching his antiepileptic medication. Despite being seizure-free, he has gained 5 kg in weight since his last check-up. Which antiepileptic drug is commonly linked to weight gain?

      Your Answer: Lamotrigine

      Correct Answer: Sodium valproate

      Explanation:

      Weight gain can be a side effect of taking sodium valproate.

      Sodium Valproate: Uses and Adverse Effects

      Sodium valproate is a medication commonly used to manage epilepsy, particularly for generalised seizures. Its mechanism of action involves increasing the activity of GABA in the brain. However, the use of sodium valproate during pregnancy is strongly discouraged due to its teratogenic effects, which can lead to neural tube defects and neurodevelopmental delays in children. Women of childbearing age should only use this medication if it is absolutely necessary and under the guidance of a specialist neurological or psychiatric advisor.

      Aside from its teratogenic effects, sodium valproate can also inhibit P450 enzymes, leading to gastrointestinal issues such as nausea, increased appetite, and weight gain. Other adverse effects include alopecia, ataxia, tremors, hepatotoxicity, pancreatitis, thrombocytopenia, hyponatremia, and hyperammonemic encephalopathy. In cases where hyperammonemic encephalopathy develops, L-carnitine may be used as a treatment option.

      Overall, while sodium valproate can be an effective medication for managing epilepsy, its use should be carefully considered and monitored due to its potential adverse effects, particularly during pregnancy.

    • This question is part of the following fields:

      • Neurology
      42.4
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  • Question 33 - A 57-year-old man of Indian descent presents for a hypertension follow-up. He presents...

    Incorrect

    • A 57-year-old man of Indian descent presents for a hypertension follow-up. He presents a log of blood pressure readings he has taken at home, consistently showing values above 150/90 mmHg. He is currently taking amlodipine and atorvastatin, with optimal dosing for the past year. What would be the best course of action at this point?

      Your Answer: Add bendroflumethiazide

      Correct Answer: Add indapamide

      Explanation:

      The appropriate next step in the treatment of poorly controlled hypertension in a patient already taking a calcium channel blocker is to add a thiazide-like diuretic such as indapamide. This is in accordance with the NICE treatment algorithm, which recommends adding an ACE inhibitor, angiotensin-receptor-blocker, or thiazide-like diuretic in such cases. Adding a thiazide diuretic like bendroflumethiazide would be incorrect. Continuing blood pressure monitoring and reviewing in one month would not be appropriate, as the patient’s hypertension needs to be escalated. Similarly, stopping amlodipine and trialling ramipril with indapamide instead, or stopping amlodipine and trialling ramipril alone, would also be incorrect. The recommended approach is to add an ACE inhibitor or thiazide-like diuretic in combination with the calcium channel blocker.

      NICE Guidelines for Managing Hypertension

      Hypertension, or high blood pressure, is a common condition that can lead to serious health problems if left untreated. The National Institute for Health and Care Excellence (NICE) has published updated guidelines for the management of hypertension in 2019. Some of the key changes include lowering the threshold for treating stage 1 hypertension in patients under 80 years old, allowing the use of angiotensin receptor blockers instead of ACE inhibitors, and recommending the use of a calcium channel blocker or thiazide-like diuretic in addition to an ACE inhibitor or angiotensin receptor blocker.

      The guidelines also provide a flow chart for the diagnosis and management of hypertension. Lifestyle advice, such as reducing salt intake, caffeine intake, and alcohol consumption, as well as exercising more and losing weight, should not be forgotten and is frequently tested in exams. Treatment options depend on the patient’s age, ethnicity, and other factors, and may involve a combination of drugs.

      NICE recommends treating stage 1 hypertension in patients under 80 years old if they have target organ damage, established cardiovascular disease, renal disease, diabetes, or a 10-year cardiovascular risk equivalent to 10% or greater. For patients with stage 2 hypertension, drug treatment should be offered regardless of age. The guidelines also provide step-by-step treatment options, including adding a third or fourth drug if necessary.

      New drugs, such as direct renin inhibitors like Aliskiren, may have a role in patients who are intolerant of more established antihypertensive drugs. However, trials have only investigated the fall in blood pressure and no mortality data is available yet. Patients who fail to respond to step 4 measures should be referred to a specialist. The guidelines also provide blood pressure targets for different age groups.

    • This question is part of the following fields:

      • Cardiovascular
      111
      Seconds
  • Question 34 - A 25-year-old Asian woman presents with completely depigmented patches of skin on her...

    Incorrect

    • A 25-year-old Asian woman presents with completely depigmented patches of skin on her arms and legs.
      What is the most likely diagnosis?

      Your Answer: Melasma

      Correct Answer: Vitiligo

      Explanation:

      Common Skin Pigmentation Disorders

      Skin pigmentation disorders are conditions that affect the color of the skin. Here are some of the most common ones:

      Vitiligo: This rare condition is believed to be caused by the immune system attacking melanocytes, resulting in patches of skin with no pigment. It is more common in people of African descent.

      Albinism: This genetic disorder reduces the activity of tyrosinase in melanocytes, resulting in a complete lack of pigment in the skin, hair, and eyes.

      Melanoma: This is a type of skin cancer that develops from melanocytes. It is characterized by irregular, highly pigmented moles.

      Melasma: This condition causes increased pigmentation, usually under the eyes. It is common in pregnant women and users of oral contraceptives.

      Pityriasis alba: This condition causes white, scaly patches on the face, and is most commonly seen in children.

      Understanding these skin pigmentation disorders can help individuals identify and manage them effectively.

    • This question is part of the following fields:

      • Dermatology
      35.1
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  • Question 35 - A 12-year-old boy has been under the care of the Paediatrics Team since...

    Correct

    • A 12-year-old boy has been under the care of the Paediatrics Team since birth and is attending the Paediatric Clinic for a follow-up appointment. His mother reports that he is struggling at school due to his learning and behavioural difficulties. He has a large jaw, hyper-extensible joints and macroorchidism.
      Which of the following is the most likely syndrome?

      Your Answer: Fragile X syndrome

      Explanation:

      Genetic Conditions and Their Phenotypic Features

      Fragile X Syndrome, Down Syndrome, Edwards Syndrome, Noonan Syndrome, and Pierre-Robin Syndrome are genetic conditions that have distinct phenotypic features. Fragile X Syndrome is an X-linked form of learning disability and autism that mainly presents after puberty. Down Syndrome is characterized by brachycephaly, prominent epicanthal folds, and small nose and mouth with protruding tongue, among others, and is usually diagnosed at birth. Edwards Syndrome has a life expectancy of days to weeks and is characterized by neonatal hypotonia, apnea, and seizures. Noonan Syndrome is inherited in an autosomal-dominant pattern and is characterized by distinctive facial features, congenital heart defects, and skeletal malformations. Pierre-Robin Syndrome results in facial abnormalities, respiratory and feeding difficulties, and cleft palate. Understanding the phenotypic features of these genetic conditions is crucial for early diagnosis and management.

    • This question is part of the following fields:

      • Paediatrics
      84.3
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  • Question 36 - A 61-year-old man presents to his GP with increasing mild confusion over the...

    Incorrect

    • A 61-year-old man presents to his GP with increasing mild confusion over the past 2 weeks. His husband has also noticed a decline in his mental state. The patient's medical history includes a road traffic accident 8 weeks ago, where he sustained a head injury but was discharged from the emergency department with no significant injuries. He denies any current symptoms of headache, nausea, or changes in vision. On examination, there are no focal neurological deficits, and both ocular and mental state exams are unremarkable. What is the most likely cause of this man's presentation?

      Your Answer: Extradural haematoma

      Correct Answer: Subdural haematoma

      Explanation:

      Understanding Subdural Haemorrhage

      A subdural haemorrhage is a condition where blood collects deep to the dural layer of the meninges. This collection of blood is not within the brain substance and is referred to as an ‘extra-axial’ or ‘extrinsic’ lesion. Subdural haematomas can be classified based on their age, which includes acute, subacute, and chronic. Although they occur within the same anatomical compartment, acute and chronic subdurals have significant differences in terms of their mechanisms, associated clinical features, and management.

      An acute subdural haematoma is a collection of fresh blood within the subdural space and is commonly caused by high-impact trauma. This type of haematoma is associated with high-impact injuries, and there is often other underlying brain injuries. Symptoms and presentation vary depending on the size of the compressive acute subdural haematoma and the associated injuries. CT imaging is the first-line investigation, and surgical options include monitoring of intracranial pressure and decompressive craniectomy.

      On the other hand, a chronic subdural haematoma is a collection of blood within the subdural space that has been present for weeks to months. Elderly and alcoholic patients are particularly at risk of subdural haematomas since they have brain atrophy and therefore fragile or taut bridging veins. Infants also have fragile bridging veins and can rupture in shaken baby syndrome. If the chronic subdural is an incidental finding or if it is small in size with no associated neurological deficit, it can be managed conservatively. However, if the patient is confused, has an associated neurological deficit, or has severe imaging findings, surgical decompression with burr holes is required.

    • This question is part of the following fields:

      • Neurology
      170.9
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  • Question 37 - A 28-year-old male came to the emergency department complaining of shortness of breath...

    Incorrect

    • A 28-year-old male came to the emergency department complaining of shortness of breath during exertion. He had no medical history to report. During the examination, a midsystolic murmur was detected, which was most audible at the left lower sternal border. The murmur became louder when the Valsalva manoeuvre was performed. An echocardiogram revealed mitral regurgitation, asymmetric hypertrophy, systolic anterior motion of the anterior mitral valve leaflet, and left ventricular outflow tract obstruction. What medication should be avoided in this patient?

      Your Answer: Atenolol

      Correct Answer: Ramipril

      Explanation:

      Patients with HOCM should avoid ACE-inhibitors.

      The correct answer is Ramipril. In patients with hypertrophic obstructive cardiomyopathy (HOCM) and left ventricular outflow tract (LVOT) obstruction, ACE inhibitors are not recommended. This is because ACE inhibitors can decrease afterload, which may exacerbate the LVOT gradient. The patient in this case has echocardiographic evidence of HOCM, including asymmetric hypertrophy, systolic anterior motion of the anterior mitral valve leaflet, and mitral regurgitation.

      However, amiodarone, atenolol, disopyramide, and verapamil are all viable treatment options for HOCM.

      Hypertrophic obstructive cardiomyopathy (HOCM) is a genetic disorder that affects muscle tissue and is inherited in an autosomal dominant manner. It is estimated to have a prevalence of 1 in 500. The condition is caused by defects in the genes that encode contractile proteins.

      The management of HOCM involves several approaches. Amiodarone is a medication that can be used to treat the condition. Beta-blockers or verapamil may also be prescribed to alleviate symptoms. In some cases, a cardioverter defibrillator or dual chamber pacemaker may be necessary. It is important to note that certain drugs, such as nitrates, ACE-inhibitors, and inotropes, should be avoided in patients with HOCM. Additionally, endocarditis prophylaxis may be recommended, although the 2008 NICE guidelines should be consulted for specific recommendations.

    • This question is part of the following fields:

      • Cardiovascular
      72.3
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  • Question 38 - A 55-year-old woman seeks guidance on managing her menopausal symptoms. She has experienced...

    Incorrect

    • A 55-year-old woman seeks guidance on managing her menopausal symptoms. She has experienced cessation of her menstrual cycle and is bothered by hot flashes and night sweats. Due to her sister's breast cancer, she is not interested in hormone replacement therapy. What is the most suitable treatment option to suggest?

      Your Answer: Evening primrose oil

      Correct Answer: Citalopram

      Explanation:

      Managing Menopause: Lifestyle Modifications, Hormone Replacement Therapy, and Non-Hormone Replacement Therapy

      Menopause is a natural biological process that marks the end of a woman’s reproductive years. It is diagnosed when a woman has not had a period for 12 consecutive months. Menopausal symptoms are common and can last for up to 7 years, with varying degrees of severity and duration. The management of menopause can be divided into three categories: lifestyle modifications, hormone replacement therapy (HRT), and non-hormone replacement therapy.

      Lifestyle modifications can help manage menopausal symptoms such as hot flushes, sleep disturbance, mood changes, and cognitive symptoms. Regular exercise, weight loss, stress reduction, and good sleep hygiene are recommended. For women who cannot or do not want to take HRT, non-hormonal treatments such as fluoxetine, citalopram, or venlafaxine for vasomotor symptoms, vaginal lubricants or moisturizers for vaginal dryness, and cognitive behavior therapy or antidepressants for psychological symptoms can be prescribed.

      HRT is a treatment option for women with moderate to severe menopausal symptoms. However, it is contraindicated in women with current or past breast cancer, any estrogen-sensitive cancer, undiagnosed vaginal bleeding, or untreated endometrial hyperplasia. HRT brings certain risks, including venous thromboembolism, stroke, coronary heart disease, breast cancer, and ovarian cancer. Women should be advised of these risks and the fact that symptoms typically last for 2-5 years.

      When stopping HRT, it is important to gradually reduce the dosage to limit recurrence of symptoms in the short term. However, in the long term, there is no difference in symptom control. Women who experience ineffective treatment, ongoing side effects, or unexplained bleeding should be referred to secondary care. Overall, managing menopause requires a personalized approach that takes into account a woman’s medical history, preferences, and individual symptoms.

    • This question is part of the following fields:

      • Reproductive Medicine
      31.7
      Seconds
  • Question 39 - Which of the following is not a risk factor for developing osteoporosis? ...

    Correct

    • Which of the following is not a risk factor for developing osteoporosis?

      Your Answer: Obesity

      Explanation:

      An elevated risk of developing osteoporosis is linked to low body mass, not obesity.

      Understanding the Causes of Osteoporosis

      Osteoporosis is a condition that affects the bones, making them weak and brittle. It is more common in women and older adults, with the prevalence increasing significantly in women over the age of 80. However, there are many other risk factors and secondary causes of osteoporosis that should be considered. Some of the most important risk factors include a history of glucocorticoid use, rheumatoid arthritis, alcohol excess, parental hip fracture, low body mass index, and smoking. Other risk factors include a sedentary lifestyle, premature menopause, certain ethnicities, and endocrine disorders such as hyperthyroidism and diabetes mellitus.

      There are also medications that may worsen osteoporosis, such as SSRIs, antiepileptics, and proton pump inhibitors. If a patient is diagnosed with osteoporosis or has a fragility fracture, further investigations may be necessary to identify the cause and assess the risk of subsequent fractures. Recommended investigations include blood tests, bone densitometry, and other procedures as indicated. It is important to identify the cause of osteoporosis and contributory factors in order to select the most appropriate form of treatment. As a minimum, all patients should have a full blood count, urea and electrolytes, liver function tests, bone profile, CRP, and thyroid function tests.

    • This question is part of the following fields:

      • Musculoskeletal
      59.2
      Seconds
  • Question 40 - A 68-year-old woman presents to her General Practitioner to discuss some recent blood...

    Incorrect

    • A 68-year-old woman presents to her General Practitioner to discuss some recent blood tests which were taken for tri-monthly monitoring of her methotrexate. She has rheumatoid arthritis (RA) and takes methotrexate, folic acid and co-codamol.
      Investigations:
      Investigation Result Normal value
      Haemoglobin 91 g/l 115–165 g/l
      White cell count (WCC) 5.2 × 109/l 4.0–11.0 × 109/l
      Platelets 228 × 109/l 150–400 × 109/l
      Neutrophils 5.4 × 109/l 2.0–7.5 × 109/l
      Mean corpuscular volume (MCV) 96 fl 85–105 fl
      Mean corpuscular haemoglobin (MCH) 29 pg 27–32 pg
      Sodium 138 mmol/l 135–145 mmol/l
      Potassium 4.1 mmol/l 3.5–5.3 mmol/l
      Urea 3.2 mmol/l 2.5–7.5 mmol/l
      Creatinine 68 µmol/l 53–100 µmol/l
      Estimated glomerular filtration rate > 90 ml/min per 1.73m2 > 90 ml/min per 1.73m2
      What is the most likely cause of this patient’s anaemia?

      Your Answer: Iron deficiency

      Correct Answer: Anaemia of chronic disease

      Explanation:

      Understanding the Causes of Normocytic Anaemia in a Patient with Rheumatoid Arthritis

      The patient in question has been diagnosed with normocytic anaemia, which is characterized by normal MCV and MCH results. There are several potential causes of this type of anaemia, including renal failure, anaemia of chronic disease, and mixed iron and vitamin B12 or folate deficiency. However, given that the patient has rheumatoid arthritis (RA) and normal renal function, the most likely cause of her anaemia is a chronic disease. This is thought to be the result of chronic inflammation associated with diseases such as RA.

      One potential complication of RA is Felty syndrome, which is characterized by a triad of conditions: RA, splenomegaly, and neutropenia. However, this patient has a normal WCC and neutrophil count, which rules out this diagnosis.

      Vitamin B12 deficiency can also cause anaemia, but it typically results in macrocytic anaemia characterized by a raised MCV. In contrast, this patient has a normal MCV. Vitamin B12 deficiency is typically treated with oral supplements, unless intrinsic antibodies are present, in which case intramuscular B12 is needed.

      Folate deficiency can also drive macrocytic anaemia, but this patient demonstrates normocytic anaemia. Methotrexate, which is commonly used to treat RA, is a folate antagonist, which is why the patient is also taking folic acid supplements to reduce the risk of developing folate deficiency.

      Iron deficiency is another potential cause of anaemia, but it typically results in microcytic hypochromic anaemia characterized by low MCV and MCH. In contrast, this patient has normal MCV and MCH results. A combination of iron and vitamin B12 or folate deficiencies may result in normocytic anaemia, as can acute blood loss.

    • This question is part of the following fields:

      • Haematology/Oncology
      103.6
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  • Question 41 - A 28-year-old law student visits his primary care physician complaining of ear pain....

    Correct

    • A 28-year-old law student visits his primary care physician complaining of ear pain. He suspects that this is related to the same issue causing dryness in his scalp and beard, as well as eczema-like patches in his nasolabial folds. He has been using non-prescription topical treatments to manage these symptoms but seeks guidance for his earache. What is the probable diagnosis that connects all of this patient's symptoms?

      Your Answer: Seborrhoeic dermatitis

      Explanation:

      Seborrhoeic dermatitis can lead to common complications such as otitis externa and blepharitis. The patient is experiencing eczema-like plaques and dry skin in areas rich in sebum, which he has been treating with over-the-counter antifungal shampoos. However, his complaint of earache may be due to otitis externa, which is associated with seborrhoeic dermatitis. A full ear examination should be performed to rule out other diagnoses. Contact dermatitis is unlikely to present in this distribution and would not cause otalgia. Eczema herpeticum is a severe primary infection by herpes-simplex-virus 1 or 2, commonly seen in children with atopic eczema. Guttate psoriasis commonly affects children after Streptococcal upper respiratory tract infection and will clear over the course of ,3 months without treatment. Irritant dermatitis is unlikely to cause such focal areas of irritation.

      Understanding Seborrhoeic Dermatitis in Adults

      Seborrhoeic dermatitis is a chronic skin condition that affects around 2% of the general population. It is caused by an inflammatory reaction related to the overgrowth of a fungus called Malassezia furfur, which is a normal inhabitant of the skin. The condition is characterized by eczematous lesions that appear on the sebum-rich areas of the body, such as the scalp, periorbital, auricular, and nasolabial folds. It can also lead to the development of otitis externa and blepharitis.

      Seborrhoeic dermatitis is often associated with other medical conditions, such as HIV and Parkinson’s disease. The management of the condition depends on the affected area. For scalp disease, over-the-counter preparations containing zinc pyrithione and tar are usually the first-line treatment. If these are not effective, ketoconazole is the preferred second-line agent. Selenium sulphide and topical corticosteroids may also be useful.

      For the face and body, topical antifungals such as ketoconazole and topical steroids are often used. However, it is important to use steroids for short periods only to avoid side effects. Seborrhoeic dermatitis can be difficult to treat, and recurrences are common. Therefore, it is important to work closely with a healthcare provider to manage the condition effectively.

    • This question is part of the following fields:

      • Dermatology
      79
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  • Question 42 - A 9-year-old boy is being evaluated at the Enuresis clinic. Despite using an...

    Incorrect

    • A 9-year-old boy is being evaluated at the Enuresis clinic. Despite using an enuresis alarm for the past three months, he continues to wet the bed at night. He has no issues with urination during the day and has a daily bowel movement. What treatment option is most probable to be suggested?

      Your Answer: Lactulose

      Correct Answer: Desmopressin

      Explanation:

      Nocturnal enuresis, or bedwetting, is when a child involuntarily urinates during the night. Most children achieve continence by the age of 3 or 4, so enuresis is defined as the involuntary discharge of urine in a child aged 5 or older without any underlying medical conditions. Enuresis can be primary, meaning the child has never achieved continence, or secondary, meaning the child has been dry for at least 6 months before.

      When managing bedwetting, it’s important to look for any underlying causes or triggers, such as constipation, diabetes mellitus, or recent onset UTIs. General advice includes monitoring fluid intake and encouraging regular toileting patterns, such as emptying the bladder before sleep. Reward systems, like star charts, can also be helpful, but should be given for agreed behavior rather than dry nights.

      The first-line treatment for bedwetting is an enuresis alarm, which has a high success rate. These alarms have sensor pads that detect wetness and wake the child up to use the toilet. If short-term control is needed, such as for sleepovers, or if the alarm is ineffective or not acceptable to the family, desmopressin may be prescribed. Overall, managing bedwetting involves identifying any underlying causes and implementing strategies to promote continence.

    • This question is part of the following fields:

      • Paediatrics
      49.1
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  • Question 43 - A 14-year-old girl presents to her General Practitioner complaining of pain to the...

    Incorrect

    • A 14-year-old girl presents to her General Practitioner complaining of pain to the left knee which is worse after running. The knee is stiff in the morning and sometimes locks. There is a knee effusion present on examination and an X-ray shows a loose body in the knee joint.
      Which of the following is the most likely diagnosis?

      Your Answer: Patellar dislocation

      Correct Answer: Osteochondritis dissecans

      Explanation:

      Common Causes of Knee Pain in Adolescents and Young Adults

      Knee pain is a common complaint among adolescents and young adults. There are several possible causes of knee pain, including osteochondritis dissecans, chondromalacia patellae, Osgood-Schlatter disease, osteoarthritis, and patellar dislocation.

      Osteochondritis dissecans occurs when the articular cartilage separates from the joint surface, typically in the knee joint. This condition is common in teenagers and young adults and can cause vague, achy joint pain that worsens with activity. Other symptoms may include swelling, locking, catching, and giving way. Diagnosis is confirmed with an X-ray and magnetic resonance imaging can help with management and prognosis.

      Chondromalacia patellae is characterized by abnormal softening of the cartilage on the underside of the patella. This condition is a common cause of chronic knee pain in teenagers and young adults. Symptoms include anterior knee pain that worsens after sitting for a prolonged period or walking down stairs. Diagnosis is made through examination and a positive shrug test.

      Osgood-Schlatter disease is a cause of knee pain in young adolescents, particularly sporty boys. It is caused by overuse of the quadriceps, which strains the patellar ligament attachment to the tibia. Symptoms include pain inferior to the patella that worsens with activity and improves with rest. Diagnosis is usually clinical and treatment involves simple analgesics and ice packs.

      Osteoarthritis is a disease of older age caused by degeneration of the articular cartilage. It is often seen in weight-bearing areas such as the knee and hip, but is unlikely in young adults.

      Patellar dislocation is most common in teenage girls and often occurs during sports. Symptoms include sudden pain and an inability to weight bear on the affected side. Examination reveals a dislocated patella, often laterally, and an associated osteochondral fracture may be seen on an X-ray.

    • This question is part of the following fields:

      • Musculoskeletal
      30.1
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  • Question 44 - A 65-year-old man comes to the clinic with persistent low mood. Despite undergoing...

    Correct

    • A 65-year-old man comes to the clinic with persistent low mood. Despite undergoing CBT in the past, he has not experienced any improvement and wishes to try medication. He has a medical history of hypertension and atrial fibrillation and is currently taking amlodipine and warfarin.

      Which antidepressant should be steered clear of in this patient?

      Your Answer: Citalopram

      Explanation:

      Patients who are taking warfarin or heparin should avoid taking selective serotonin reuptake inhibitors (SSRIs) due to their antiplatelet effect, which can increase the risk of bleeding. Therefore, citalopram is the appropriate choice. It is important to note that some tricyclic antidepressants and mirtazapine can also increase the INR, so caution is necessary when prescribing these medications. According to the Nice CKS guidelines on warfarin administration, trazodone may be the preferred antidepressant for these patients.

      Selective serotonin reuptake inhibitors (SSRIs) are commonly used as the first-line treatment for depression. Citalopram and fluoxetine are the preferred SSRIs, while sertraline is recommended for patients who have had a myocardial infarction. However, caution should be exercised when prescribing SSRIs to children and adolescents. Gastrointestinal symptoms are the most common side-effect, and patients taking SSRIs are at an increased risk of gastrointestinal bleeding. Patients should also be aware of the possibility of increased anxiety and agitation after starting a SSRI. Fluoxetine and paroxetine have a higher propensity for drug interactions.

      The Medicines and Healthcare products Regulatory Agency (MHRA) has issued a warning regarding the use of citalopram due to its association with dose-dependent QT interval prolongation. As a result, citalopram and escitalopram should not be used in patients with congenital long QT syndrome, known pre-existing QT interval prolongation, or in combination with other medicines that prolong the QT interval. The maximum daily dose of citalopram is now 40 mg for adults, 20 mg for patients older than 65 years, and 20 mg for those with hepatic impairment.

      When initiating antidepressant therapy, patients should be reviewed by a doctor after 2 weeks. Patients under the age of 25 years or at an increased risk of suicide should be reviewed after 1 week. If a patient responds well to antidepressant therapy, they should continue treatment for at least 6 months after remission to reduce the risk of relapse. When stopping a SSRI, the dose should be gradually reduced over a 4 week period, except for fluoxetine. Paroxetine has a higher incidence of discontinuation symptoms, including mood changes, restlessness, difficulty sleeping, unsteadiness, sweating, gastrointestinal symptoms, and paraesthesia.

      When considering the use of SSRIs during pregnancy, the benefits and risks should be weighed. Use during the first trimester may increase the risk of congenital heart defects, while use during the third trimester can result in persistent pulmonary hypertension of the newborn. Paroxetine has an increased risk of congenital malformations, particularly in the first trimester.

    • This question is part of the following fields:

      • Psychiatry
      44.4
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  • Question 45 - A 75-year-old male is brought to the emergency department after slipping on ice....

    Incorrect

    • A 75-year-old male is brought to the emergency department after slipping on ice. He has a painful left leg that appears shortened and externally rotated. There are no visible skin breaks and no peripheral neurovascular compromise. An x-ray reveals a stable, complete, intertrochanteric proximal femur fracture. The patient has no medical history and takes no regular medications. He is given pain relief and referred to the orthopaedic team. What is the recommended procedure for his condition?

      Your Answer: Conservative management

      Correct Answer: Dynamic hip screw

      Explanation:

      The optimal surgical management for an extracapsular proximal femoral fracture is a dynamic hip screw. This is the recommended approach for patients who are fit and have no comorbidities that would prevent them from undergoing surgery. Conservative management is not appropriate as it would lead to a reduced quality of life and is only considered for patients who cannot undergo surgery.

      Intramedullary nails with external fixation are used for lower extremity long bone fractures, such as femur or tibia fractures. This involves inserting a nail into the bone alongside external fixation screws that are attached to a device outside the skin to provide additional support and realign the bone if necessary. External fixation is temporary and will be removed once the bone has healed sufficiently.

      Hemiarthroplasty, which involves replacing the femoral head and neck, is typically used for displaced fractures and is less complicated than a total hip replacement (THR). It is suitable for less active patients who want to return to normal activities of daily living. However, THR is becoming more popular for active patients with displaced femoral neck fractures and pre-existing hip osteoarthritis. As this patient does not have a displaced fracture, THR is not necessary.

      Hip fractures are a common occurrence, particularly in elderly women with osteoporosis. The femoral head’s blood supply runs up the neck, making avascular necrosis a potential risk in displaced fractures. Symptoms of a hip fracture include pain and a shortened and externally rotated leg. Patients with non-displaced or incomplete neck of femur fractures may still be able to bear weight. Hip fractures can be classified as intracapsular or extracapsular, with the Garden system being a commonly used classification system. Blood supply disruption is most common in Types III and IV fractures.

      Intracapsular hip fractures can be treated with internal fixation or hemiarthroplasty if the patient is unfit. Displaced fractures are recommended for replacement arthroplasty, such as total hip replacement or hemiarthroplasty, according to NICE guidelines. Total hip replacement is preferred over hemiarthroplasty if the patient was able to walk independently outdoors with the use of a stick, is not cognitively impaired, and is medically fit for anesthesia and the procedure. Extracapsular hip fractures can be managed with a dynamic hip screw for stable intertrochanteric fractures or an intramedullary device for reverse oblique, transverse, or subtrochanteric fractures.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 46 - A 26-year-old woman comes to the clinic 10 days after giving birth. She...

    Incorrect

    • A 26-year-old woman comes to the clinic 10 days after giving birth. She reports a continuous pink vaginal discharge with a foul odor. During the examination, her pulse is 90 / min, temperature is 38.2ºC, and she experiences diffuse suprapubic tenderness. The uterus feels tender on vaginal examination, but her breasts appear normal. The urine dipstick shows blood ++. What is the best course of action for management?

      Your Answer: Arrange urgent ultrasound to exclude retained products + send MSSU + take high vaginal swab

      Correct Answer: Admit to hospital

      Explanation:

      Understanding Puerperal Pyrexia

      Puerperal pyrexia is a condition that occurs when a woman experiences a fever of more than 38ºC within the first 14 days after giving birth. The most common cause of this condition is endometritis, which is an infection of the lining of the uterus. Other causes include urinary tract infections, wound infections, mastitis, and venous thromboembolism.

      If a woman is suspected of having endometritis, it is important to seek medical attention immediately. Treatment typically involves intravenous antibiotics such as clindamycin and gentamicin until the patient is afebrile for more than 24 hours. It is important to note that puerperal pyrexia can be a serious condition and should not be ignored. By understanding the causes and seeking prompt medical attention, women can receive the necessary treatment to recover from this condition.

    • This question is part of the following fields:

      • Reproductive Medicine
      50.9
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  • Question 47 - A 45-year-old man is diagnosed with end-stage renal disease. What is the most...

    Incorrect

    • A 45-year-old man is diagnosed with end-stage renal disease. What is the most frequent complication that may arise when considering long-term peritoneal dialysis for this patient?

      Your Answer: Congestive heart failure

      Correct Answer: Carpal tunnel syndrome

      Explanation:

      Chronic dialysis patients may experience median nerve compression, which can be caused by oedema or vascular insufficiency related to a dialysis shunt or fistula. Amyloid disease, which can infiltrate the synovium within the carpal tunnel, may also contribute to nerve compression in patients with renal failure. Anaemia is a common complication of chronic kidney disease, resulting from decreased renal synthesis of erythropoietin. This type of anaemia is normochromic normocytic and can lead to the development of new-onset heart failure. However, the use of erythropoiesis-stimulating agents has reduced the incidence of congestive heart failure due to anaemia. Squamous cell skin cancer is a type of skin cancer that is strongly associated with high total exposure to ultraviolet radiation from the sun. Individuals who have received solid organ transplants and are taking chronic immunosuppressive medication are at a significantly increased risk of developing this type of cancer, particularly squamous cell carcinoma. There is no known increased risk of gastrointestinal malignancy in patients on long-term haemodialysis. Immunosuppression, such as in the case of kidney transplant recipients, is associated with an increased risk of non-Hodgkin’s lymphoma.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      19.3
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  • Question 48 - A 55-year-old woman had a recent acute myocardial infarction (MI).
    Which medication has been...

    Incorrect

    • A 55-year-old woman had a recent acute myocardial infarction (MI).
      Which medication has been proven to reduce mortality after an MI?

      Your Answer: Amiodarone

      Correct Answer: Bisoprolol

      Explanation:

      Medications for Post-Myocardial Infarction Patients

      Post-myocardial infarction (MI) patients require specific medications to prevent further cardiovascular disease and improve their overall health. One of the most important drugs to offer is a beta-blocker, such as bisoprolol, as soon as the patient is stable. This medication should be continued for at least 12 months after an MI in patients without left ventricular systolic dysfunction or heart failure, and indefinitely in those with left ventricular systolic dysfunction. While beta-blockers can reduce mortality and morbidity for up to a year after an MI, recent studies suggest that continuing treatment beyond a year may not provide any additional benefits. Other medications, such as amiodarone, isosorbide mononitrate, and nicorandil, offer symptom relief but do not reduce mortality or morbidity. Calcium-channel blockers, like diltiazem, may be considered for secondary prevention in patients without pulmonary congestion or left ventricular systolic dysfunction if beta-blockers are contraindicated or discontinued. However, current guidelines recommend offering all post-MI patients an ACE inhibitor, dual antiplatelet therapy, beta-blocker, and statin to improve their long-term health outcomes.

    • This question is part of the following fields:

      • Cardiovascular
      32.8
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  • Question 49 - A 50-year-old man who is being treated for schizophrenia with chlorpromazine experiences involuntary...

    Incorrect

    • A 50-year-old man who is being treated for schizophrenia with chlorpromazine experiences involuntary puckering of the lips. Which side effect of antipsychotic medication does this exemplify?

      Your Answer:

      Correct Answer: Tardive dyskinesia

      Explanation:

      Tardive dyskinesia can be caused by antipsychotics.

      Antipsychotics are a group of drugs used to treat schizophrenia, psychosis, mania, and agitation. They are divided into two categories: typical and atypical antipsychotics. The latter were developed to address the extrapyramidal side-effects associated with the first generation of typical antipsychotics. Typical antipsychotics work by blocking dopaminergic transmission in the mesolimbic pathways through dopamine D2 receptor antagonism. They are associated with extrapyramidal side-effects and hyperprolactinaemia, which are less common with atypical antipsychotics.

      Extrapyramidal side-effects (EPSEs) are common with typical antipsychotics and include Parkinsonism, acute dystonia, sustained muscle contraction, akathisia, and tardive dyskinesia. The latter is a late onset of choreoathetoid movements that may be irreversible and occur in 40% of patients. The Medicines and Healthcare products Regulatory Agency has issued specific warnings when antipsychotics are used in elderly patients, including an increased risk of stroke and venous thromboembolism. Other side-effects include antimuscarinic effects, sedation, weight gain, raised prolactin, impaired glucose tolerance, neuroleptic malignant syndrome, reduced seizure threshold, and prolonged QT interval.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 50 - A 12-month-old African-Caribbean boy is brought to see his General Practitioner by his...

    Incorrect

    • A 12-month-old African-Caribbean boy is brought to see his General Practitioner by his mother with a 6-day history of fever, reduced feeding and increased irritability. His mother has also noticed this morning that his fingers and toes are swollen and tense and some of the skin is peeling. He is reluctant to play with toys or walk. On examination, he is pale, his lips are cracked and there are no rashes present. Ear, nose and throat (ENT) examinations reveal the presence of a red, swollen tongue he also has swollen, tender digits of his hands and feet.
      He is admitted to hospital and his full blood count (FBC) result is shown below:
      Investigation Result Normal value
      Haemoglobin (Hb) 88 g/l 100–135 g/l
      White cell count (WCC) 6.2 × 109/l 3.8–11 × 109/l
      Platelets 150 × 109/l 150–400 × 1109/l
      Mean corpuscular volume 93 fl 85–105 fl
      Reticulocytes 6% 0.2–2%
      Which of the following is the most likely diagnosis?

      Your Answer:

      Correct Answer: Kawasaki disease

      Explanation:

      Kawasaki disease is a condition that causes inflammation in small and medium blood vessels, particularly in the coronary vessels. Children with this disease typically experience a high fever lasting more than five days, along with symptoms such as a strawberry tongue, dry cracked lips, rashes, peeling skin on the hands and feet, conjunctivitis, and swollen and painful hands and feet.

      Acute lymphoblastic leukaemia (ALL) is a type of cancer that can cause bone pain and swelling in children, as well as unexplained fever, lethargy, recurrent infections, headaches, petechiae or purpura, and splenomegaly. However, a high white blood cell count would be present in ALL, which would be absent in this patient. Anaemia and thrombocytopenia are also common in ALL.

      Nephrotic syndrome is a condition characterized by low levels of albumin and protein in the urine due to damage to the basement membrane of the renal glomerulus. Children with this condition typically experience swelling in the face, feet, abdomen, and genitals, but not in the fingers and toes as seen in this patient.

      Rheumatic fever is a reaction to a bacterial infection, usually caused by group A streptococcus. Symptoms may include fever, abdominal pain, carditis, Sydenham’s chorea, and a rash, but joint pain typically affects the ankles, knees, elbows, and wrists rather than the hands and feet.

      Sickle cell disease is an inherited condition that causes abnormal sickle-shaped red blood cells, leading to blockages in small blood vessels and chronic anemia. It is most common in Black African and Black Caribbean populations. Symptoms may include jaundice, anemia, and acute dactylitis, and screening is recommended for high-risk ethnic groups. A diagnosis of hemolysis is supported by a high reticulocyte count and normocytic anemia on FBC.

    • This question is part of the following fields:

      • Haematology/Oncology
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  • Question 51 - A 78-year-old woman visits her GP complaining of a gradual loss of vision...

    Incorrect

    • A 78-year-old woman visits her GP complaining of a gradual loss of vision over the past 2 years. She reports difficulty seeing objects up close, particularly at dusk and in the early morning when walking her dog. Amsler grid testing reveals distorted line perception. The patient has a history of osteoarthritis in her knees, which she treats with paracetamol as needed. What is the probable observation on fundoscopy?

      Your Answer:

      Correct Answer: Drusen

      Explanation:

      The patient’s symptoms and clinical findings suggest a diagnosis of dry macular degeneration, which is characterized by the presence of drusen – small yellowish deposits of lipids under the retina. The patient is experiencing a gradual loss of central vision, difficulty seeing in the dark, and distorted line perception on Amsler grid testing.

      Hypertensive retinopathy can cause AV nicking, which is visible on fundoscopy, but it is unlikely to be the cause of this patient’s symptoms. Cotton wool spots, which are associated with hypertensive and diabetic retinopathy, are also an unlikely cause as the patient has no history of hypertension or diabetes, and these spots do not typically cause changes in vision. Cupping of the optic disc, seen in glaucoma, is also an unlikely diagnosis as the patient’s symptoms do not match those typically seen in glaucoma.

      Age-related macular degeneration (ARMD) is a common cause of blindness in the UK, characterized by the degeneration of the central retina (macula) and the formation of drusen. It is more prevalent in females and is strongly associated with advancing age, smoking, family history, and conditions that increase the risk of ischaemic cardiovascular disease. ARMD can be classified into two forms: dry and wet. Dry ARMD is more common and is characterized by drusen, while wet ARMD is characterized by choroidal neovascularisation and carries a worse prognosis. Clinical features of ARMD include subacute onset of visual loss, difficulties in dark adaptation, and visual disturbances such as photopsia and glare.

      To diagnose ARMD, slit-lamp microscopy and color fundus photography are used to identify any pigmentary, exudative, or haemorrhagic changes affecting the retina. Fluorescein angiography and indocyanine green angiography may also be used to visualize changes in the choroidal circulation. Treatment for dry ARMD involves a combination of zinc with anti-oxidant vitamins A, C, and E, which has been shown to reduce disease progression by around one third. For wet ARMD, anti-VEGF agents such as ranibizumab, bevacizumab, and pegaptanib are used to limit disease progression and stabilize or reverse visual loss. Laser photocoagulation may also be used to slow progression, but anti-VEGF therapies are usually preferred due to the risk of acute visual loss after treatment.

      In summary, ARMD is a common cause of blindness in the UK that is strongly associated with advancing age, smoking, and family history. It can be classified into dry and wet forms, with wet ARMD carrying a worse prognosis. Diagnosis involves the use of various imaging techniques, and treatment options include a combination of zinc and anti-oxidant vitamins for dry ARMD and anti-VEGF agents or laser photocoagulation for wet ARMD.

    • This question is part of the following fields:

      • Ophthalmology
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  • Question 52 - A 75-year-old woman presents with post-menopausal bleeding. She has experienced multiple episodes over...

    Incorrect

    • A 75-year-old woman presents with post-menopausal bleeding. She has experienced multiple episodes over the past 6 months. The bleeding is heavy enough to require sanitary pads, but she denies any clots. She reports no bowel or urinary symptoms and has not experienced any weight loss. She went through menopause at 50 years old and took hormone replacement therapy for 2 years to alleviate hot flashes and mood swings. She has one child who was born via spontaneous vaginal delivery 45 years ago. There is no family history of gynaecological issues. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Endometrial cancer

      Explanation:

      When women experience postmenopausal bleeding (PMB), it is important to rule out the possibility of endometrial cancer. The first step is to conduct a speculum examination to check for any visible abnormalities. For women over 40 years old, an endometrial biopsy and hysteroscopy should be performed to diagnose endometrial cancer. Risk factors for this type of cancer include advanced age, never having given birth, using unopposed estrogen therapy, starting menstruation at an early age and experiencing menopause later in life, being overweight, and having submucosal fibroids that typically calcify after menopause.

      Endometrial cancer is a type of cancer that is commonly found in women who have gone through menopause, but it can also occur in around 25% of cases before menopause. The prognosis for this type of cancer is usually good due to early detection. There are several risk factors associated with endometrial cancer, including obesity, nulliparity, early menarche, late menopause, unopposed estrogen, diabetes mellitus, tamoxifen, polycystic ovarian syndrome, and hereditary non-polyposis colorectal carcinoma. Postmenopausal bleeding is the most common symptom of endometrial cancer, which is usually slight and intermittent initially before becoming more heavy. Pain is not common and typically signifies extensive disease, while vaginal discharge is unusual.

      When investigating endometrial cancer, women who are 55 years or older and present with postmenopausal bleeding should be referred using the suspected cancer pathway. The first-line investigation is trans-vaginal ultrasound, which has a high negative predictive value for a normal endometrial thickness (< 4 mm). Hysteroscopy with endometrial biopsy is also commonly used for investigation. The management of localized disease involves total abdominal hysterectomy with bilateral salpingo-oophorectomy, while patients with high-risk disease may have postoperative radiotherapy. Progestogen therapy is sometimes used in frail elderly women who are not considered suitable for surgery. It is important to note that the combined oral contraceptive pill and smoking are protective against endometrial cancer.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 53 - A 50-year-old woman comes in for a check-up. Her mother was recently released...

    Incorrect

    • A 50-year-old woman comes in for a check-up. Her mother was recently released from the hospital after fracturing her hip. The patient is worried that she may have inherited osteoporosis and wants to know what steps she should take. She has no significant medical history, does not take any regular medications, and has never experienced any fractures. She is a smoker, consuming approximately 20 cigarettes per day, and drinks 3-4 units of alcohol daily.

      What is the best course of action for this patient?

      Your Answer:

      Correct Answer: Use the FRAX tool

      Explanation:

      Due to her positive family history, smoking, and excess alcohol intake, this woman is at a higher risk of developing osteoporosis. Therefore, it is recommended that she undergo a FRAX assessment without delay, rather than waiting until the age of 65 as typically recommended for women without such risk factors.

      Assessing the Risk of Osteoporosis

      Osteoporosis is a concern due to the increased risk of fragility fractures. To determine which patients require further investigation, NICE produced guidelines in 2012 for assessing the risk of fragility fracture. Women aged 65 years and older and men aged 75 years and older should be assessed, while younger patients should be assessed in the presence of risk factors such as previous fragility fracture, history of falls, and low body mass index.

      NICE recommends using a clinical prediction tool such as FRAX or QFracture to assess a patient’s 10-year risk of developing a fracture. FRAX estimates the 10-year risk of fragility fracture and is valid for patients aged 40-90 years. QFracture estimates the 10-year risk of fragility fracture and includes a larger group of risk factors.

      If the FRAX assessment was done without a bone mineral density (BMD) measurement, the results will be categorised into low, intermediate, or high risk. If the FRAX assessment was done with a BMD measurement, the results will be categorised into reassurance, consider treatment, or strongly recommend treatment. Patients assessed using QFracture are not automatically categorised into low, intermediate, or high risk.

      NICE recommends reassessing a patient’s risk if the original calculated risk was in the region of the intervention threshold for a proposed treatment and only after a minimum of 2 years or when there has been a change in the person’s risk factors.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 54 - A 5-year-old girl presents to the Emergency Department with a two-day history of...

    Incorrect

    • A 5-year-old girl presents to the Emergency Department with a two-day history of diarrhoea and vomiting. She has drunk only small amounts and is becoming more lethargic. She has opened her bowels five times but has only passed urine once today. She is usually fit and well. Her 7-year-old sister was unwell with the same symptoms a few days before but has since recovered well.
      On examination, she appears restless with sunken eyes, dry mucous membranes and capillary refill time (CRT) of 2 seconds, and she is tachycardic with a pulse of 150 beats per minute.
      What would be your assessment of her clinical fluid status?

      Your Answer:

      Correct Answer: Clinical dehydration

      Explanation:

      Understanding Dehydration in Children: Symptoms and Management

      Dehydration is a common concern in children, especially when they are suffering from illnesses like gastroenteritis. It is important to recognize the different levels of dehydration and manage them accordingly.

      Clinical dehydration is characterized by symptoms such as restlessness and decreased urine output. Signs of clinical dehydration include irritability, sunken eyes, dry mucous membranes, tachycardia, and normal capillary refill time (CRT).

      Children with no clinically detectable dehydration do not show any signs or symptoms of dehydration and can be managed with oral fluids until the illness subsides.

      Clinical shock is a severe form of dehydration that requires immediate medical attention. Symptoms of clinical shock include a decreased level of consciousness, pale or mottled skin, cold extremities, tachycardia, tachypnea, hypotension, weak peripheral pulses, and a prolonged CRT. Children with clinical shock require admission and rehydration with intravenous fluids and electrolyte supplementation.

      A euvolemic child, on the other hand, has a normal general appearance, normal eyes, a moist tongue, and present tears. They have a normal CRT and are not tachycardic.

      It is important to recognize the signs and symptoms of dehydration in children and manage it accordingly to prevent further complications. Fluid overload is also a concern, but in cases of gastroenteritis-induced dehydration, rehydration is necessary.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 55 - You are reviewing an elderly patient's blood results:

    K+ 6.2 mmol/l

    Which medication is the...

    Incorrect

    • You are reviewing an elderly patient's blood results:

      K+ 6.2 mmol/l

      Which medication is the most probable cause of this outcome?

      Your Answer:

      Correct Answer: Spironolactone

      Explanation:

      Understanding Hyperkalaemia: Causes and Symptoms

      Hyperkalaemia is a condition characterized by high levels of potassium in the blood. The regulation of plasma potassium levels is influenced by various factors such as aldosterone, insulin levels, and acid-base balance. When metabolic acidosis occurs, hyperkalaemia may develop as hydrogen and potassium ions compete for exchange with sodium ions across cell membranes and in the distal tubule. ECG changes that may be observed in hyperkalaemia include tall-tented T waves, small P waves, widened QRS leading to a sinusoidal pattern, and asystole.

      There are several causes of hyperkalaemia, including acute kidney injury, metabolic acidosis, Addison’s disease, rhabdomyolysis, and massive blood transfusion. Certain drugs such as potassium-sparing diuretics, ACE inhibitors, angiotensin 2 receptor blockers, spironolactone, ciclosporin, and heparin can also cause hyperkalaemia. It is important to note that beta-blockers can interfere with potassium transport into cells and potentially cause hyperkalaemia in renal failure patients. On the other hand, beta-agonists like Salbutamol are sometimes used as emergency treatment.

      Foods that are high in potassium include salt substitutes, bananas, oranges, kiwi fruit, avocado, spinach, and tomatoes. It is essential to monitor potassium levels in the blood to prevent complications associated with hyperkalaemia. If left untreated, hyperkalaemia can lead to serious health problems such as cardiac arrhythmias and even death.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      0
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  • Question 56 - What is the failure rate of male sterilization? ...

    Incorrect

    • What is the failure rate of male sterilization?

      Your Answer:

      Correct Answer: 1 in 2,000

      Explanation:

      Vasectomy: A Simple and Effective Male Sterilisation Method

      Vasectomy is a male sterilisation method that has a failure rate of 1 per 2,000, making it more effective than female sterilisation. The procedure is simple and can be done under local anesthesia, with some cases requiring general anesthesia. After the procedure, patients can go home after a couple of hours. However, it is important to note that vasectomy does not work immediately.

      To ensure the success of the procedure, semen analysis needs to be performed twice following a vasectomy before a man can have unprotected sex. This is usually done at 12 weeks after the procedure. While vasectomy is generally safe, there are some complications that may arise, such as bruising, hematoma, infection, sperm granuloma, and chronic testicular pain. This pain affects between 5-30% of men.

      In the event that a man wishes to reverse the procedure, the success rate of vasectomy reversal is up to 55% if done within 10 years. However, the success rate drops to approximately 25% after more than 10 years. Overall, vasectomy is a simple and effective method of male sterilisation, but it is important to consider the potential complications and the need for semen analysis before engaging in unprotected sex.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 57 - A 30-year-old female who is 36 weeks pregnant comes in with a painful...

    Incorrect

    • A 30-year-old female who is 36 weeks pregnant comes in with a painful and swollen right calf. After a Doppler scan, it is confirmed that she has a deep vein thrombosis. What anticoagulant is recommended?

      Your Answer:

      Correct Answer: Subcutaneous low molecular weight heparin

      Explanation:

      While the first trimester poses a higher risk of teratogenic effects from warfarin, most healthcare providers would opt for low molecular weight heparin in such cases. Additionally, the possibility of peripartum hemorrhage and the difficulty in reversing the effects of warfarin in such a scenario should also be taken into account.

      During pregnancy, the body undergoes changes that make it more prone to blood clots. This is known as a hypercoagulable state and is most common in the last trimester. The increase in factors VII, VIII, X, and fibrinogen, along with a decrease in protein S, contribute to this state. Additionally, the growing uterus can press on the inferior vena cava, leading to venous stasis in the legs.

      When it comes to managing deep vein thrombosis (DVT) or pulmonary embolism (PE) during pregnancy, warfarin is not recommended due to its potential harm to the fetus. Instead, subcutaneous low-molecular-weight heparin is preferred over intravenous heparin as it has a lower risk of bleeding and thrombocytopenia. It is important for pregnant women to be aware of the signs and symptoms of DVT/PE, such as leg swelling, pain, and shortness of breath, and to seek medical attention promptly if they experience any of these symptoms.

    • This question is part of the following fields:

      • Haematology/Oncology
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  • Question 58 - A 25-year-old man visits his general practice surgery, explaining that his depression has...

    Incorrect

    • A 25-year-old man visits his general practice surgery, explaining that his depression has been cured after four months taking sertraline. He says he is ready to stop taking the medication immediately and is looking forward to being 'normal again'.
      What is the most appropriate management advice you can give this patient?

      Your Answer:

      Correct Answer: He should be treated for at least six months

      Explanation:

      Duration of Antidepressant Treatment for Depression

      It is recommended that a single episode of depression should be treated for at least six months after recovery to prevent relapse. Recurrent episodes warrant at least 12 months of treatment after recovery. Stopping antidepressant treatment immediately on recovery puts patients at a high risk of relapse, with 50% of patients experiencing a relapse of their depressive symptoms. During the recovery phase, adults should receive the same dose used for the treatment of the acute phase. The medication should then be tapered off over a few weeks, according to the type of antidepressant used.

      Stopping medication prematurely, such as after one month or six weeks, would put the patient at a high risk of relapse. If the patient has been using antidepressants over a very short term and has found it maximally effective, they may be able to come off medication sooner than six months. However, this should be managed with caution and only recommended if there are other extenuating factors which would cause them to want to stop, such as side-effects or poor compliance. In this case, the patient has been using sertraline for four months already, has not indicated poor compliance, and there is no indication of issues with side-effects.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 59 - A 35-year-old homeless man is brought to the emergency department after being found...

    Incorrect

    • A 35-year-old homeless man is brought to the emergency department after being found unresponsive in a local park. Upon admission, his temperature is 30.2 ºC and an ECG reveals a broad complex polymorphic tachycardia. The patient is diagnosed with torsades de pointes. What is the most suitable course of treatment?

      Your Answer:

      Correct Answer: Magnesium sulphate

      Explanation:

      Torsades de pointes can be treated with IV magnesium sulfate.

      Torsades de Pointes: A Life-Threatening Condition

      Torsades de pointes is a type of ventricular tachycardia that is associated with a prolonged QT interval. This condition can lead to ventricular fibrillation, which can cause sudden death. There are several causes of a prolonged QT interval, including congenital conditions such as Jervell-Lange-Nielsen syndrome and Romano-Ward syndrome, as well as certain medications like antiarrhythmics, tricyclic antidepressants, and antipsychotics. Other causes include electrolyte imbalances, myocarditis, hypothermia, and subarachnoid hemorrhage.

      The management of torsades de pointes involves the administration of intravenous magnesium sulfate. This can help to stabilize the heart rhythm and prevent further complications.

    • This question is part of the following fields:

      • Cardiovascular
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  • Question 60 - A 56-year-old Caucasian man presents with a rash on the face. He first...

    Incorrect

    • A 56-year-old Caucasian man presents with a rash on the face. He first noticed this six months ago when he experienced episodes of flushing on the face. This has often occurred after he had alcohol or in situations where he felt stressful. A month ago, he started noticing a rash on his cheeks which came on intermittently until three weeks ago when the rash has become permanent. There has been no pain or itch associated with the rash. He is otherwise fit and well. He does not smoke.

      On examination of the face, there is marked erythema with papules, pustules and telangiectasia. There are no comedones seen. The rash is distributed across the cheeks and nose. There is no per-oral or peri-orbital involvement.

      What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Acne rosacea

      Explanation:

      The features described suggest acne rosacea, with episodic flushing, papules and pustules with telangiectasia on the nose, cheeks and forehead. Other conditions such as acne vulgaris, systemic lupus erythematosus, seborrhoeic dermatitis and shingles are unlikely based on the described symptoms.

      Understanding Rosacea: Symptoms and Management

      Rosacea, also known as acne rosacea, is a chronic skin condition that has no known cause. It typically affects the nose, cheeks, and forehead, and the first symptom is often flushing. Over time, telangiectasia (visible blood vessels) may appear, followed by persistent redness with papules and pustules. In some cases, rhinophyma (enlarged nose) may develop, and there may be ocular involvement, such as blepharitis. Sunlight can exacerbate symptoms.

      Mild cases of rosacea may be treated with topical metronidazole, while topical brimonidine gel may be used for patients with predominant flushing but limited telangiectasia. More severe cases may require systemic antibiotics like oxytetracycline. Patients are advised to apply high-factor sunscreen daily and use camouflage creams to conceal redness. Laser therapy may be appropriate for those with prominent telangiectasia, and patients with rhinophyma should be referred to a dermatologist.

      Overall, understanding the symptoms and management of rosacea can help individuals manage their condition and improve their quality of life.

    • This question is part of the following fields:

      • Dermatology
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  • Question 61 - A 30-year-old woman presents to surgery with a complaint of not having a...

    Incorrect

    • A 30-year-old woman presents to surgery with a complaint of not having a regular menstrual cycle for the past year, despite a negative pregnancy test. You order initial tests to establish a baseline. Which of the following is not included in your list of possible diagnoses?

      Your Answer:

      Correct Answer: Turner's syndrome

      Explanation:

      Primary amenorrhoea is caused by Turner’s syndrome instead of secondary amenorrhoea.

      Understanding Amenorrhoea: Causes, Investigations, and Management

      Amenorrhoea is a condition characterized by the absence of menstrual periods in women. It can be classified into two types: primary and secondary. Primary amenorrhoea occurs when menstruation fails to start by the age of 15 in girls with normal secondary sexual characteristics or by the age of 13 in girls with no secondary sexual characteristics. On the other hand, secondary amenorrhoea is the cessation of menstruation for 3-6 months in women with previously normal and regular menses or 6-12 months in women with previous oligomenorrhoea.

      There are various causes of amenorrhoea, including gonadal dysgenesis, testicular feminization, congenital malformations of the genital tract, functional hypothalamic amenorrhoea, congenital adrenal hyperplasia, imperforate hymen, hypothalamic amenorrhoea, polycystic ovarian syndrome, hyperprolactinemia, premature ovarian failure, Sheehan’s syndrome, Asherman’s syndrome, and thyrotoxicosis. To determine the underlying cause of amenorrhoea, initial investigations such as full blood count, urea & electrolytes, coeliac screen, thyroid function tests, gonadotrophins, prolactin, and androgen levels are necessary.

      The management of amenorrhoea depends on the underlying cause. For primary amenorrhoea, it is important to investigate and treat any underlying cause. Women with primary ovarian insufficiency due to gonadal dysgenesis may benefit from hormone replacement therapy to prevent osteoporosis. For secondary amenorrhoea, it is important to exclude pregnancy, lactation, and menopause in women 40 years of age or older and treat the underlying cause accordingly. It is important to note that hypothyroidism may also cause amenorrhoea.

    • This question is part of the following fields:

      • ENT
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  • Question 62 - A 32-year-old woman presents to the Emergency Department with complaints of a headache....

    Incorrect

    • A 32-year-old woman presents to the Emergency Department with complaints of a headache. She has been experiencing flu-like symptoms for the past three days and the headache started gradually yesterday. The headache is described as being all over and worsens when looking at bright light or bending her neck. Upon examination, her temperature is 38.2º, pulse is 96/min, and blood pressure is 116/78 mmHg. There is neck stiffness present, but no focal neurological signs are observed. During a closer inspection, several petechiae are noticed on her torso. The patient has been cannulated and bloods, including cultures, have been taken. What is the most appropriate next step?

      Your Answer:

      Correct Answer: IV cefotaxime

      Explanation:

      Immediate administration of appropriate intravenous antibiotics is crucial for this patient diagnosed with meningococcal meningitis. In light of modern PCR diagnostic techniques, there is no need to delay potentially life-saving treatment by conducting a lumbar puncture in suspected cases of meningococcal meningitis.

      The investigation and management of suspected bacterial meningitis are intertwined due to the potential negative impact of delayed antibiotic treatment. Patients should be urgently transferred to the hospital, and an ABC approach should be taken initially. A lumbar puncture should be delayed in certain circumstances, and IV antibiotics should be given as a priority if there is any doubt. The bloods and CSF should be tested for various parameters, and prophylaxis should be offered to households and close contacts of patients affected with meningococcal meningitis.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 63 - An 88-year-old woman visits her doctor with her daughter. She was diagnosed with...

    Incorrect

    • An 88-year-old woman visits her doctor with her daughter. She was diagnosed with Alzheimer's dementia two years ago and has recently moved in with her daughter for care. Lately, she has become increasingly isolated and has reported seeing animals in the house that are not actually there. She denies any other symptoms. All vital signs are normal and physical examination is unremarkable.

      What is the probable cause of her current symptoms?

      Your Answer:

      Correct Answer: Delirium

      Explanation:

      Cognitively impaired patients can experience delirium when placed in new surroundings. Even minor changes in environment can trigger delirium in individuals with dementia, leading to visual hallucinations. While community-acquired pneumonia and urinary tract infections are common causes of delirium in the elderly, they seem unlikely in this case as there are no other clues in the history or examination. Depression is a common differential for dementia in the elderly, but the acute onset of symptoms in this woman suggests delirium. It is important to note that symptoms of depression in the elderly can be non-specific. While psychosis could explain the visual hallucinations, the absence of other symptoms and the acute onset of the condition suggest delirium.

      Acute confusional state, also known as delirium or acute organic brain syndrome, is a condition that affects up to 30% of elderly patients admitted to hospital. It is more common in patients over the age of 65, those with a background of dementia, significant injury, frailty or multimorbidity, and those taking multiple medications. The condition is often triggered by a combination of factors, such as infection, metabolic imbalances, change of environment, and underlying medical conditions.

      The symptoms of acute confusional state can vary widely, but may include memory disturbances, agitation or withdrawal, disorientation, mood changes, visual hallucinations, disturbed sleep, and poor attention. Treatment involves identifying and addressing the underlying cause, modifying the patient’s environment, and using sedatives such as haloperidol or olanzapine. However, managing the condition can be challenging in patients with Parkinson’s disease, as antipsychotics can worsen Parkinsonian symptoms. In such cases, careful reduction of Parkinson medication may be helpful, and atypical antipsychotics such as quetiapine and clozapine may be preferred for urgent treatment.

      Overall, acute confusional state is a complex condition that requires careful management and individualized treatment. By addressing the underlying causes and providing appropriate sedation, healthcare professionals can help patients recover from this condition and improve their overall quality of life.

    • This question is part of the following fields:

      • Neurology
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  • Question 64 - A 65-year-old man is referred by his general practitioner for advice regarding optimisation...

    Incorrect

    • A 65-year-old man is referred by his general practitioner for advice regarding optimisation of secondary prevention. He has a history of non-ST-elevation myocardial infarction (NSTEMI) two years ago. He is on a combination of clopidogrel, atenolol 50 mg once daily and atorvastatin 80 mg once daily. He also has diabetes for which he takes metformin 1 g twice daily. His pulse rate is 70 bpm, and blood pressure 144/86 mmHg. His past medical history includes an ischaemic stroke two years ago, from which he made a complete recovery.
      What additional therapy would you consider?
      Select the SINGLE most appropriate option from the list below. Select ONE option only.

      Your Answer:

      Correct Answer: Perindopril

      Explanation:

      The Importance of ACE Inhibitors in Post-MI Patients with Vascular Disease and Diabetes

      Following a myocardial infarction (MI), the National Institute for Health and Care Excellence (NICE) recommends the use of angiotensin-converting enzyme (ACE) inhibitors for all patients, regardless of left ventricular function. This is based on evidence from trials such as PROGRESS and HOPE, which demonstrate the benefits of ACE inhibitors in patients with vascular disease. Additionally, for patients with diabetes, the use of ACE inhibitors is preferable. The benefits of ACE inhibition are not solely related to blood pressure reduction, but also include favorable local vascular and myocardial effects. Calcium channel blockers, such as amlodipine and diltiazem, are not recommended for post-MI patients with systolic dysfunction. Nicorandil should also be avoided. Clopidogrel is the preferred antiplatelet for patients with clinical vascular disease who have had an MI and a stroke. Blood pressure should be optimized in post-MI patients, and further antihypertensive therapy may be necessary, including the addition of an ACE inhibitor to achieve the desired level.

    • This question is part of the following fields:

      • Cardiovascular
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  • Question 65 - As a foundation doctor on the neonatal ward, you are updating a prescription...

    Incorrect

    • As a foundation doctor on the neonatal ward, you are updating a prescription chart for a premature baby born at twenty-six weeks. While reviewing the chart, you come across sildenafil. Can you explain the purpose of sildenafil in neonatal care?

      Your Answer:

      Correct Answer: Treating pulmonary hypertension

      Explanation:

      Sildenafil, also known as Viagra, is typically used to treat erectile dysfunction in adults. However, it can also be used to treat pulmonary hypertension in neonates. The appropriate method for calming a distressed neonate depends on the underlying cause, which is often related to respiratory distress or pain. Gaviscon and ranitidine are sometimes used to treat gastro-oesophageal reflux, although this is not an approved use. Caffeine is sometimes used to help wean a neonate off a ventilator.

      Understanding Phosphodiesterase Type V Inhibitors

      Phosphodiesterase type V (PDE5) inhibitors are medications used to treat erectile dysfunction and pulmonary hypertension. These drugs work by increasing the levels of cGMP, which leads to the relaxation of smooth muscles in the blood vessels supplying the corpus cavernosum. The most well-known PDE5 inhibitor is sildenafil, also known as Viagra, which was the first drug of its kind. It is a short-acting medication that is usually taken one hour before sexual activity.

      Other PDE5 inhibitors include tadalafil (Cialis) and vardenafil (Levitra). Tadalafil is longer-acting than sildenafil and can be taken on a regular basis, while vardenafil has a similar duration of action to sildenafil. However, these drugs are not suitable for everyone. Patients taking nitrates or related drugs, those with hypotension, and those who have had a recent stroke or myocardial infarction should not take PDE5 inhibitors.

      Like all medications, PDE5 inhibitors can cause side effects. These may include visual disturbances, blue discolouration, non-arteritic anterior ischaemic neuropathy, nasal congestion, flushing, gastrointestinal side-effects, headache, and priapism. It is important to speak to a healthcare professional before taking any medication to ensure that it is safe and appropriate for you.

      Overall, PDE5 inhibitors are an effective treatment for erectile dysfunction and pulmonary hypertension. However, they should only be used under the guidance of a healthcare professional and with careful consideration of the potential risks and benefits.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
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  • Question 66 - A 35-year-old HIV positive man comes to your travel clinic seeking advice on...

    Incorrect

    • A 35-year-old HIV positive man comes to your travel clinic seeking advice on vaccinations for his upcoming trip. He is currently on antiretroviral therapy and his most recent CD4 count is 180 cells/mm³. He has no other medical conditions and is feeling well.
      Which vaccines should be avoided in this individual?

      Your Answer:

      Correct Answer: Tuberculosis (BCG)

      Explanation:

      Patients who are HIV positive should not receive live attenuated vaccines like BCG. Additionally, immunocompromised individuals should avoid other live attenuated vaccines such as yellow fever, oral polio, intranasal influenza, varicella, and measles, mumps, and rubella (MMR). This information is sourced from uptodate.

      Types of Vaccines and Their Characteristics

      Vaccines are essential in preventing the spread of infectious diseases. However, it is crucial to understand the different types of vaccines and their characteristics to ensure their safety and effectiveness. Live attenuated vaccines, such as BCG, MMR, and oral polio, may pose a risk to immunocompromised patients. In contrast, inactivated preparations, including rabies and hepatitis A, are safe for everyone. Toxoid vaccines, such as tetanus, diphtheria, and pertussis, use inactivated toxins to generate an immune response. Subunit and conjugate vaccines, such as pneumococcus, haemophilus, meningococcus, hepatitis B, and human papillomavirus, use only part of the pathogen or link bacterial polysaccharide outer coats to proteins to make them more immunogenic. Influenza vaccines come in different types, including whole inactivated virus, split virion, and sub-unit. Cholera vaccine contains inactivated strains of Vibrio cholerae and recombinant B-subunit of the cholera toxin. Hepatitis B vaccine contains HBsAg adsorbed onto aluminium hydroxide adjuvant and is prepared from yeast cells using recombinant DNA technology. Understanding the different types of vaccines and their characteristics is crucial in making informed decisions about vaccination.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 67 - At the 4-month check, you observe bilateral hydroceles in a male infant. The...

    Incorrect

    • At the 4-month check, you observe bilateral hydroceles in a male infant. The swelling is limited to the scrotum and the testis can be felt in the scrotal sac. The infant is otherwise healthy and thriving. The mother expresses concern about the potential impact of the swelling on her son's fertility.

      What is the best course of action for managing this situation?

      Your Answer:

      Correct Answer: Reassure mum that hydroceles are common in infants and often self resolve

      Explanation:

      It is common for newborn males to have communicating hydroceles, which usually resolve on their own. This is due to the processus vaginalis remaining open. Parents should be reassured that the hydroceles typically disappear within a few months. However, if the hydrocele persists beyond one year, it is recommended to refer the child to a urologist for possible repair. Ultrasound is not necessary to confirm the diagnosis. It is important to note that hydroceles do not impact fertility, but undescended testes can affect fertility if not treated.

      Common Scrotal Problems and Their Features

      Epididymal cysts, hydroceles, and varicoceles are the most common scrotal problems seen in primary care. Epididymal cysts are usually found posterior to the testicle and are separate from the body of the testicle. They may be associated with conditions such as polycystic kidney disease, cystic fibrosis, and von Hippel-Lindau syndrome. Diagnosis is confirmed by ultrasound, and management is usually supportive, although surgical removal or sclerotherapy may be attempted for larger or symptomatic cysts.

      Hydroceles, on the other hand, describe the accumulation of fluid within the tunica vaginalis. They may be communicating or non-communicating, and may develop secondary to conditions such as epididymo-orchitis, testicular torsion, or testicular tumors. Hydroceles are usually soft, non-tender swellings of the hemi-scrotum that transilluminate with a pen torch. Diagnosis may be clinical, but ultrasound is required if there is any doubt about the diagnosis or if the underlying testis cannot be palpated. Management depends on the severity of the presentation, with infantile hydroceles generally repaired if they do not resolve spontaneously by the age of 1-2 years.

      Varicoceles, on the other hand, are abnormal enlargements of the testicular veins that are usually asymptomatic but may be associated with subfertility. They are much more common on the left side and are classically described as a bag of worms. Diagnosis is confirmed by ultrasound with Doppler studies, and management is usually conservative, although surgery may be required if the patient is troubled by pain. There is ongoing debate regarding the effectiveness of surgery to treat infertility.

    • This question is part of the following fields:

      • Renal Medicine/Urology
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  • Question 68 - A 55-year-old woman presents to the Emergency Department with a sudden-onset blurring of...

    Incorrect

    • A 55-year-old woman presents to the Emergency Department with a sudden-onset blurring of vision in both eyes as well as light sensitivity. She is a known type II diabetic with blood sugars well maintained with medication.
      On examination, her temperature is 36.8 oC, while her blood pressure (BP) is 180/110 mmHg. Her pulse is 70 beats per minute. Her respiratory rate is 18 breaths per minute, and her oxygen saturations are 98% on room air.
      On dilated fundoscopy, both optic discs are swollen with widespread flame-shaped haemorrhages and cotton-wool spots.
      What is the most appropriate first-line management of this condition?

      Your Answer:

      Correct Answer: Intravenous (IV) labetalol

      Explanation:

      Misconceptions about Treatment for Hypertensive Retinopathy

      Hypertensive retinopathy is a condition that occurs when high blood pressure damages the blood vessels in the retina. However, there are several misconceptions about the treatment for this condition.

      Firstly, in a hypertensive emergency with retinopathy, it is important to lower blood pressure slowly to avoid brain damage. Intravenous labetalol is a suitable medication for this purpose, with the aim of reducing diastolic blood pressure to 100 mmHg or reducing it by 20-25 mmHg per day, whichever is less.

      Secondly, oral calcium channel blockers like amlodipine are not useful in an acute setting of hypertensive emergency. They are not effective in treating hypertensive retinopathy.

      Thirdly, intravitreal anti-vascular endothelial growth factor (anti-VEGF) injection is not a treatment for hypertensive retinopathy. It is used to treat wet age-related macular degeneration.

      Fourthly, pan-retinal photocoagulation or any laser treatment for the eye is not a treatment for hypertensive retinopathy. It is a treatment for proliferative diabetic retinopathy.

      Lastly, sublingual glyceryl trinitrate (GTN) spray is not a suitable treatment for hypertensive retinopathy. It is typically used in patients with angina and acute coronary syndrome.

      In conclusion, it is important to understand the appropriate treatments for hypertensive retinopathy to avoid misconceptions and ensure proper care for patients.

    • This question is part of the following fields:

      • Ophthalmology
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  • Question 69 - A 48-year-old woman is seen in the diabetes clinic with poorly controlled type...

    Incorrect

    • A 48-year-old woman is seen in the diabetes clinic with poorly controlled type 2 diabetes mellitus (HbA1c 63 mmol/mol). She had to discontinue gliclazide due to recurrent hypoglycaemia and is currently on maximum dose metformin. Her BMI is 26 kg/m^2. What is the best course of action for further management?

      Your Answer:

      Correct Answer: Add either pioglitazone, a DPP-4 inhibitor or a SGLT-2 inhibitor

      Explanation:

      NICE updated its guidance on the management of type 2 diabetes mellitus (T2DM) in 2022, reflecting advances in drug therapy and improved evidence regarding newer therapies such as SGLT-2 inhibitors. The first-line drug of choice remains metformin, which should be titrated up slowly to minimize gastrointestinal upset. HbA1c targets should be agreed upon with patients and checked every 3-6 months until stable, with consideration for relaxing targets on a case-by-case basis. Dietary advice includes encouraging high fiber, low glycemic index sources of carbohydrates and controlling intake of foods containing saturated fats and trans fatty acids. Blood pressure targets are the same as for patients without type 2 diabetes, and antiplatelets should not be offered unless a patient has existing cardiovascular disease. Only patients with a 10-year cardiovascular risk > 10% should be offered a statin, with atorvastatin 20mg as the first-line choice.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
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  • Question 70 - A 82-year-old man comes to the clinic complaining of sudden loss of vision...

    Incorrect

    • A 82-year-old man comes to the clinic complaining of sudden loss of vision in his left eye since this morning. He denies any associated eye pain or headaches and is otherwise feeling well. His medical history includes ischaemic heart disease. Upon examination, the patient has no vision in his left eye. The left pupil shows poor response to light, but the consensual light reaction is normal. Fundoscopy reveals a red spot over a pale and opaque retina. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Central retinal artery occlusion

      Explanation:

      Central Retinal Artery Occlusion: A Rare Cause of Sudden Vision Loss

      Central retinal artery occlusion is a rare condition that can cause sudden, painless loss of vision in one eye. It is typically caused by a blood clot or inflammation in the artery that supplies blood to the retina. This can be due to atherosclerosis or arteritis, such as temporal arteritis. Symptoms may include a relative afferent pupillary defect and a cherry red spot on a pale retina. Unfortunately, the prognosis for this condition is poor, and management can be difficult. Treatment may involve identifying and addressing any underlying conditions, such as intravenous steroids for temporal arteritis. In some cases, intraarterial thrombolysis may be attempted, but the results of this treatment are mixed. Overall, central retinal artery occlusion is a serious condition that requires prompt medical attention.

    • This question is part of the following fields:

      • Ophthalmology
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  • Question 71 - A 28-year-old woman visits the GP clinic as she hasn't had her menstrual...

    Incorrect

    • A 28-year-old woman visits the GP clinic as she hasn't had her menstrual period for 3 months. Upon conducting a urinary pregnancy test, it comes out positive. A dating scan is scheduled, which shows a gestational sac with a nonviable foetus. What could be the possible diagnosis?

      Your Answer:

      Correct Answer: Missed miscarriage

      Explanation:

      Miscarriage is a common complication that can occur in up to 25% of all pregnancies. There are different types of miscarriage, each with its own set of symptoms and characteristics. Threatened miscarriage is painless vaginal bleeding that occurs before 24 weeks, typically at 6-9 weeks. The bleeding is usually less than menstruation, and the cervical os is closed. Missed or delayed miscarriage is when a gestational sac containing a dead fetus is present before 20 weeks, without the symptoms of expulsion. The mother may experience light vaginal bleeding or discharge, and the symptoms of pregnancy may disappear. Pain is not usually a feature, and the cervical os is closed. Inevitable miscarriage is characterized by heavy bleeding with clots and pain, and the cervical os is open. Incomplete miscarriage occurs when not all products of conception have been expelled, and there is pain and vaginal bleeding. The cervical os is open in this type of miscarriage.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 72 - Samantha is a 55-year-old woman who has been experiencing difficulty breathing. She undergoes...

    Incorrect

    • Samantha is a 55-year-old woman who has been experiencing difficulty breathing. She undergoes a spirometry evaluation with the following findings: a decrease in forced vital capacity (FVC), an increase in the forced expiratory volume in one second to forced vital capacity ratio (FEV1:FVC ratio), and a decrease in the transfer factor for carbon monoxide (TLCO), indicating impaired gas exchange. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Pulmonary fibrosis

      Explanation:

      Understanding Idiopathic Pulmonary Fibrosis

      Idiopathic pulmonary fibrosis (IPF) is a chronic lung condition that causes progressive fibrosis of the interstitium of the lungs. Unlike other causes of lung fibrosis, IPF has no underlying cause. It is typically seen in patients aged 50-70 years and is more common in men.

      The symptoms of IPF include progressive exertional dyspnoea, dry cough, clubbing, and bibasal fine end-inspiratory crepitations on auscultation. Diagnosis is made through spirometry, impaired gas exchange tests, and imaging such as chest x-rays and high-resolution CT scans.

      Management of IPF includes pulmonary rehabilitation, but very few medications have been shown to be effective. Some evidence suggests that pirfenidone, an antifibrotic agent, may be useful in selected patients. Many patients will eventually require supplementary oxygen and a lung transplant.

      The prognosis for IPF is poor, with an average life expectancy of around 3-4 years. CT scans can show advanced pulmonary fibrosis, including honeycombing. While there is no cure for IPF, early diagnosis and management can help improve quality of life and potentially prolong survival.

    • This question is part of the following fields:

      • Respiratory Medicine
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  • Question 73 - A 32-year-old woman complains of right elbow discomfort for a few weeks. Upon...

    Incorrect

    • A 32-year-old woman complains of right elbow discomfort for a few weeks. Upon examination, there is tenderness on the lateral aspect of the forearm and pain on passive extension of the wrist, with the elbow fully extended. What is the most probable cause?

      Your Answer:

      Correct Answer: Tennis elbow

      Explanation:

      Tennis elbow is inflammation of the wrist extensor tendon at the insertion site into the lateral epicondyle, causing elbow pain that radiates down the forearm. Cubital tunnel syndrome is compression of the ulnar nerve at the elbow, causing sensory changes and weakness of hand muscles. Carpal tunnel syndrome is compression of the median nerve at the wrist, causing paraesthesia and motor deficits in the first three digits. Golfer’s elbow is inflammation of the wrist flexor tendon at the site of insertion into the medial epicondyle, causing elbow pain that radiates into the forearm. Olecranon bursitis is inflammation of the bursa overlying the olecranon process, causing a swelling that may be tender or painless.

    • This question is part of the following fields:

      • Musculoskeletal
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  • Question 74 - You are conducting an 8-week examination on a baby with a prominent purplish...

    Incorrect

    • You are conducting an 8-week examination on a baby with a prominent purplish birthmark. The mother was informed that it may not disappear on its own and could be linked to other vascular issues. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Port wine stain

      Explanation:

      Understanding Port Wine Stains

      Port wine stains are a type of birthmark that are characterized by their deep red or purple color. Unlike other vascular birthmarks, such as salmon patches and strawberry hemangiomas, port wine stains do not go away on their own and may even become more prominent over time. These birthmarks are typically unilateral, meaning they only appear on one side of the body.

      Fortunately, there are treatment options available for those who wish to reduce the appearance of port wine stains. Cosmetic camouflage can be used to cover up the birthmark, while laser therapy is another option that requires multiple sessions. It’s important to note that while these treatments can help reduce the appearance of port wine stains, they may not completely eliminate them. Understanding the nature of port wine stains and the available treatment options can help individuals make informed decisions about managing these birthmarks.

    • This question is part of the following fields:

      • Dermatology
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  • Question 75 - A 28-year-old female with no significant medical history is started on carbamazepine for...

    Incorrect

    • A 28-year-old female with no significant medical history is started on carbamazepine for focal impaired awareness seizures. She drinks alcohol moderately. After three months, she experiences a series of seizures and her carbamazepine levels are found to be subtherapeutic. Despite being fully compliant, a pill-count reveals this. What is the probable cause?

      Your Answer:

      Correct Answer: Auto-induction of liver enzymes

      Explanation:

      Carbamazepine induces the P450 enzyme system, leading to increased metabolism of carbamazepine through auto-induction.

      P450 Enzyme System and its Inducers and Inhibitors

      The P450 enzyme system is responsible for metabolizing drugs in the body. Induction of this system usually requires prolonged exposure to the inducing drug, unlike P450 inhibitors, which have rapid effects. Some drugs that induce the P450 system include antiepileptics like phenytoin and carbamazepine, barbiturates such as phenobarbitone, rifampicin, St John’s Wort, chronic alcohol intake, griseofulvin, and smoking, which affects CYP1A2 and is the reason why smokers require more aminophylline.

      On the other hand, some drugs inhibit the P450 system, including antibiotics like ciprofloxacin and erythromycin, isoniazid, cimetidine, omeprazole, amiodarone, allopurinol, imidazoles such as ketoconazole and fluconazole, SSRIs like fluoxetine and sertraline, ritonavir, sodium valproate, and acute alcohol intake. It is important to be aware of these inducers and inhibitors as they can affect the metabolism and efficacy of drugs in the body. Proper dosing and monitoring can help ensure safe and effective treatment.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
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  • Question 76 - A 70-year-old male patient visits the GP clinic with a complaint of experiencing...

    Incorrect

    • A 70-year-old male patient visits the GP clinic with a complaint of experiencing hallucinations. He was diagnosed with Parkinson's disease 3 years ago and has been prescribed a new medication recently. He reports that since starting this medication, he has been troubled by hallucinations. Which medication is commonly prescribed for Parkinson's disease and could be responsible for his symptoms?

      Your Answer:

      Correct Answer: Ropinirole

      Explanation:

      Compared to other classes of medications, dopamine agonists such as ropinirole pose a higher risk of causing hallucinations in individuals with Parkinson’s disease. On the other hand, MAO-B inhibitors like selegiline and COMPT inhibitors like entacapone have little to no reported risk of causing hallucinations. Tiotropium is commonly prescribed for the treatment of COPD, while oxybutynin is used to manage bladder overactivity.

      Management of Parkinson’s Disease: Medications and Considerations

      Parkinson’s disease is a complex condition that requires specialized expertise in movement disorders for diagnosis and management. However, all healthcare professionals should be familiar with the medications used to treat Parkinson’s disease due to its prevalence. The National Institute for Health and Care Excellence (NICE) published guidelines in 2017 to aid in the management of Parkinson’s disease.

      For first-line treatment, levodopa is recommended if motor symptoms are affecting the patient’s quality of life. If motor symptoms are not affecting the patient’s quality of life, dopamine agonists (non-ergot derived), levodopa, or monoamine oxidase B (MAO-B) inhibitors may be used. NICE provides tables to aid in decision-making regarding the use of these medications, taking into account their effects on motor symptoms, activities of daily living, motor complications, and adverse events.

      If a patient continues to have symptoms despite optimal levodopa treatment or has developed dyskinesia, NICE recommends the addition of a dopamine agonist, MAO-B inhibitor, or catechol-O-methyl transferase (COMT) inhibitor as an adjunct. Other considerations in Parkinson’s disease management include the risk of acute akinesia or neuroleptic malignant syndrome if medication is not taken or absorbed, the potential for impulse control disorders with dopaminergic therapy, and the need to adjust medication if excessive daytime sleepiness or orthostatic hypotension develops.

      Specific medications used in Parkinson’s disease management include levodopa, dopamine receptor agonists, MAO-B inhibitors, amantadine, COMT inhibitors, and antimuscarinics. Each medication has its own set of benefits and potential adverse effects, which should be carefully considered when selecting a treatment plan. Overall, the management of Parkinson’s disease requires a comprehensive approach that takes into account the individual needs and circumstances of each patient.

    • This question is part of the following fields:

      • Neurology
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  • Question 77 - A 36-year-old woman visits her doctor complaining of fatigue and itchy skin. During...

    Incorrect

    • A 36-year-old woman visits her doctor complaining of fatigue and itchy skin. During the examination, the doctor notices yellowing of the eyes and an enlarged liver. Blood tests reveal the presence of anti-mitochondrial antibodies (AMAs).

      What is the most probable diagnosis? Choose ONE answer from the options below.

      Your Answer:

      Correct Answer: Primary biliary cholangitis

      Explanation:

      Primary biliary cholangitis (PBC) is a chronic liver disease that primarily affects middle-aged women. It is believed to be an autoimmune disorder that causes progressive cholestasis and can lead to end-stage liver disease. Symptoms include fatigue, pruritus, and right upper quadrant discomfort. Laboratory tests typically show elevated levels of alkaline phosphatase, g-glutamyl transpeptidase, and immunoglobulins, as well as the presence of antimitochondrial antibodies. Treatment involves the use of ursodeoxycholic acid to slow disease progression. Autoimmune hepatitis, diffuse systemic sclerosis, primary sclerosing cholangitis, and systemic lupus erythematosus are other potential differential diagnoses.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
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  • Question 78 - A 45-year-old teacher who was previously healthy was discovered unconscious on the ground....

    Incorrect

    • A 45-year-old teacher who was previously healthy was discovered unconscious on the ground. Upon admission, assessment showed weakness on the right side of their body, with their leg more affected than their arm and face, and significant difficulty with speech. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: An occlusion of the left middle cerebral artery (MCA)

      Explanation:

      A blockage in the left middle cerebral artery (MCA) is a common cause of cerebral infarction. The symptoms experienced will depend on the extent of the infarct and which hemisphere of the brain is dominant. In right-handed individuals, over 95% have left-sided dominance. Symptoms may include weakness on the opposite side of the body, particularly in the face and arm, as well as sensory loss and homonymous hemianopia. If the left MCA is affected, the patient may experience expressive dysphasia in the anterior MCA territory (Broca’s area) if it is their dominant side, or neglect if it is their non-dominant side. A tumour in the left cerebral hemisphere or thalamus would have a more gradual onset of symptoms, while an occlusion of the right anterior cerebral artery would produce left-sided weakness. The region affected and presentation of each type of artery involvement is summarized in a table.

    • This question is part of the following fields:

      • Neurology
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  • Question 79 - A 42-year-old woman presents with a 2-day history of right-sided neck pain and...

    Incorrect

    • A 42-year-old woman presents with a 2-day history of right-sided neck pain and left-sided sensorimotor disturbance. Shortly after the neck pain had begun, she had noted that her right eyelid was ‘drooping’ and that she had developed weakness and altered sensation in her left arm and leg. She had recently visited a physiotherapist for neck pain after a fall. Examination reveals right Horner syndrome, and weakness and sensory disturbance on the left-hand side, with a left extensor plantar response.
      Which of the following is the most likely clinical diagnosis?

      Your Answer:

      Correct Answer: Carotid artery dissection

      Explanation:

      Differential Diagnosis for a Young Patient with Neck Pain and Stroke Syndrome

      Carotid artery dissection, lateral medullary infarction, posterior fossa space-occupying lesion, subarachnoid hemorrhage, and venous sinus thrombosis are all potential causes of neck pain and stroke syndrome in a young patient. Carotid artery dissection is a tear in one of the carotid arteries that can occur spontaneously or following trauma. Symptoms may include vague headache, facial and neck pain, meiosis, ptosis, focal limb weakness, and cranial nerve palsies. Lateral medullary infarction is usually due to occlusion of the intracranial vertebral artery or the posterior inferior cerebellar artery and may present with vestibulocerebellar symptoms, ipsilateral Horner syndrome, sensory symptoms, and ipsilateral bulbar muscle weakness. Posterior fossa space-occupying lesions are more common in children and may cause symptoms due to raised intracranial pressure and brainstem/cerebellum compression. Subarachnoid hemorrhage presents with a sudden-onset, severe headache, while venous sinus thrombosis usually presents with progressive headache, nausea, vomiting, and seizures. Hemiplegia may occur in both posterior fossa space-occupying lesions and venous sinus thrombosis, but Horner syndrome does not occur in either. A thorough evaluation is necessary to determine the underlying cause of neck pain and stroke syndrome in a young patient.

    • This question is part of the following fields:

      • Neurology
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  • Question 80 - You are taking the history of an Emergency Department patient who was assaulted....

    Incorrect

    • You are taking the history of an Emergency Department patient who was assaulted. The victim is a 20-year-old female who has a deep laceration on her thigh caused by a rusty machete. The wound has exposed tendon, muscle, and subcutaneous fat. According to her medical records, she received all her childhood immunizations on schedule, including 5 doses of tetanus vaccine, with the last one administered when she was 16 years old.

      What is the appropriate management for tetanus risk in this patient?

      Your Answer:

      Correct Answer: No tetanus vaccine booster and no immunoglobulins required

      Explanation:

      If a patient has received 5 doses of the tetanus vaccine, with the most recent dose administered less than 10 years ago, they do not need a booster vaccine or immunoglobulins, regardless of the severity of the wound. This is the correct course of action. The patient’s childhood vaccinations would have included 5 doses of the tetanus vaccine, with the last dose given at age 14 or later. Therefore, the patient is already adequately protected and does not require a booster or immunoglobulin, regardless of the severity of the wound.

      The option of administering a tetanus vaccine booster with antibiotics is not the correct course of action. While antibiotics may be considered for protection against other bacteria, the patient already has sufficient protection against tetanus and does not require vaccination.

      Similarly, administering a tetanus vaccine booster with tetanus immunoglobulin is not necessary. As previously mentioned, the patient already has adequate protection from previous vaccinations. Immunoglobulin would only be necessary if the patient had an incomplete or unknown vaccine history or if it had been more than 10 years since the last vaccine.

      Lastly, administering a tetanus vaccine booster alone is not necessary. The patient already has protection from previous vaccinations and does not require a booster.

      Tetanus Vaccination and Management of Wounds

      The tetanus vaccine is a purified toxin that is given as part of a combined vaccine. In the UK, it is given as part of the routine immunisation schedule at 2, 3, and 4 months, 3-5 years, and 13-18 years, providing a total of 5 doses for long-term protection against tetanus.

      When managing wounds, the first step is to classify them as clean, tetanus-prone, or high-risk tetanus-prone. Clean wounds are less than 6 hours old and have negligible tissue damage, while tetanus-prone wounds include puncture-type injuries acquired in a contaminated environment or wounds containing foreign bodies. High-risk tetanus-prone wounds include wounds or burns with systemic sepsis, certain animal bites and scratches, heavy contamination with material likely to contain tetanus spores, wounds or burns with extensive devitalised tissue, and wounds or burns that require surgical intervention.

      If the patient has had a full course of tetanus vaccines with the last dose less than 10 years ago, no vaccine or tetanus immunoglobulin is required regardless of the wound severity. If the patient has had a full course of tetanus vaccines with the last dose more than 10 years ago, a reinforcing dose of vaccine is required for tetanus-prone wounds, and a reinforcing dose of vaccine plus tetanus immunoglobulin is required for high-risk wounds. If the vaccination history is incomplete or unknown, a reinforcing dose of vaccine is required regardless of the wound severity, and a reinforcing dose of vaccine plus tetanus immunoglobulin is required for tetanus-prone and high-risk wounds.

      Overall, proper vaccination and wound management are crucial in preventing tetanus infection.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 81 - A 6-year-old boy is brought to see his General Practitioner by his father,...

    Incorrect

    • A 6-year-old boy is brought to see his General Practitioner by his father, who is concerned as his son has a 4-day history of abdominal pain and fever. He seems to have lost his appetite and has been waking in the night with night sweats for the last week.
      On examination, there is a large palpable abdominal mass and hepatomegaly. A urine dipstick is negative for blood, protein, leukocytes and nitrates.
      What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Burkitt’s lymphoma

      Explanation:

      Pediatric Abdominal Mass: Possible Causes and Symptoms

      When a child presents with an abdominal mass, it can be a sign of various conditions, including malignancies. Here are some possible causes and symptoms to consider:

      1. Burkitt’s lymphoma: This aggressive non-Hodgkin’s lymphoma commonly affects children and presents with abdominal pain, an abdominal mass, splenomegaly, and B symptoms such as fever and weight loss.

      2. Wilms’ tumour: This malignant kidney tumour usually affects young children and presents with an asymptomatic abdominal mass, hypertension, haematuria, or urinary tract infection. Splenomegaly is not expected.

      3. Hepatoblastoma: This rare malignant liver tumour usually presents with an asymptomatic abdominal mass in the right upper quadrant. However, if the child has symptoms and splenomegaly, it may suggest a haematological malignancy.

      4. Neuroblastoma: This rare malignancy commonly affects children under five and presents with an abdominal mass. Symptoms are rare in early disease, but if present, may suggest a haematological malignancy.

      5. Phaeochromocytoma: This rare tumour releases excessive amounts of catecholamines and commonly arises in the adrenal glands. It presents with headache, palpitations, tremor, and hyperhidrosis, but not with splenomegaly or a palpable abdominal mass.

      In summary, a pediatric abdominal mass can be a sign of various conditions, including malignancies. It is important to consider the child’s symptoms and other clinical findings to determine the appropriate diagnosis and management.

    • This question is part of the following fields:

      • Haematology/Oncology
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  • Question 82 - You assess a 65-year-old man with chronic obstructive pulmonary disease (COPD) who receives...

    Incorrect

    • You assess a 65-year-old man with chronic obstructive pulmonary disease (COPD) who receives approximately 7-8 rounds of oral prednisolone annually to manage infectious exacerbations of his condition. What is one of the potential negative consequences associated with prolonged steroid use?

      Your Answer:

      Correct Answer: Avascular necrosis

      Explanation:

      Osteopaenia and osteoporosis are associated with prolonged use of corticosteroids, not osteomalacia.

      Understanding Corticosteroids and Their Side-Effects

      Corticosteroids are commonly prescribed therapies used to replace or augment the natural activity of endogenous steroids. They can be administered systemically or locally, depending on the condition being treated. However, the usage of corticosteroids is limited due to their numerous side-effects, which are more common with prolonged and systemic therapy.

      Glucocorticoid side-effects include impaired glucose regulation, increased appetite and weight gain, hirsutism, hyperlipidaemia, Cushing’s syndrome, moon face, buffalo hump, striae, osteoporosis, proximal myopathy, avascular necrosis of the femoral head, immunosuppression, increased susceptibility to severe infection, reactivation of tuberculosis, insomnia, mania, depression, psychosis, peptic ulceration, acute pancreatitis, glaucoma, cataracts, suppression of growth in children, intracranial hypertension, and neutrophilia.

      On the other hand, mineralocorticoid side-effects include fluid retention and hypertension. It is important to note that patients on long-term steroids should have their doses doubled during intercurrent illness. Longer-term systemic corticosteroids suppress the natural production of endogenous steroids, so they should not be withdrawn abruptly as this may precipitate an Addisonian crisis. The British National Formulary suggests gradual withdrawal of systemic corticosteroids if patients have received more than 40mg prednisolone daily for more than one week, received more than three weeks of treatment, or recently received repeated courses.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
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  • Question 83 - A 32-year-old woman complains of pressure-type headache and brief visual disturbance upon standing....

    Incorrect

    • A 32-year-old woman complains of pressure-type headache and brief visual disturbance upon standing.
      What is the most indicative feature that supports the diagnosis of idiopathic intracranial hypertension (IIH)?

      Your Answer:

      Correct Answer: An enlarged blind spot and constriction of the visual field

      Explanation:

      Understanding the Symptoms of Idiopathic Intracranial Hypertension (IIH)

      Idiopathic Intracranial Hypertension (IIH) is a headache syndrome that is characterized by raised cerebrospinal fluid pressure in the absence of an intracranial mass lesion or ventricular dilatation. While IIH is associated with visual field defects, reduced visual acuity is not a common presenting feature. Instead, an enlarged blind spot and constriction of the visual field are the classic findings in a patient with papilloedema. Additionally, IIH does not typically present with motor weakness or a raised erythrocyte sedimentation rate (ESR).

      It is important to note that a past history of deep venous thrombosis or lateralized motor weakness would raise suspicions about the possibility of cranial venous thrombosis, which can also cause raised intracranial pressure and papilloedema. Reduced visual acuity, on the other hand, is more consistent with an optic nerve lesion such as optic neuritis.

      In summary, understanding the symptoms of IIH can help healthcare professionals differentiate it from other conditions and provide appropriate treatment.

    • This question is part of the following fields:

      • Neurology
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  • Question 84 - A middle-aged man is concerned that the lump he has discovered in his...

    Incorrect

    • A middle-aged man is concerned that the lump he has discovered in his neck may be due to Hodgkin's disease. A routine work-up is completely negative, but he continues to worry about it.
      Which of the following is the most likely condition here?

      Your Answer:

      Correct Answer: Hypochondriasis

      Explanation:

      Differentiating Hypochondriasis from Other Disorders

      Hypochondriasis is a condition characterized by persistent preoccupation with having a serious physical illness. However, it is important to differentiate it from other disorders with similar symptoms.

      Conversion disorder is a neurological condition that presents with loss of function without an organic cause. Delusional disorder-somatic type involves delusional thoughts about having a particular illness or physical problem. In somatisation disorder, patients present with medically unexplained symptoms and seek medical attention to find an explanation for them. Factitious disorder involves deliberately producing symptoms for attention as a patient.

      It is important to note that in hypochondriasis, the patient’s beliefs are not as fixed as they would be in delusional disorder-somatic type, and worry dominates the picture. In somatisation disorder, the emphasis is on the symptoms rather than a specific diagnosis, while in hypochondriasis, the patient puts emphasis on the presence of a specific illness. Factitious disorder involves deliberate production of symptoms, which is not present in hypochondriasis.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 85 - A 32-year-old woman comes to the clinic reporting several strange experiences. She explains...

    Incorrect

    • A 32-year-old woman comes to the clinic reporting several strange experiences. She explains feeling as though her environment is not real, almost like a dream. Additionally, she has been informed that she begins to smack her lips, although she has no memory of doing so. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Focal impaired awareness seizure

      Explanation:

      Focal aware seizures do not affect consciousness or awareness, and may involve automatic, repetitive actions such as lip smacking.

      Epilepsy is classified based on three key features: where seizures begin in the brain, level of awareness during a seizure, and other features of seizures. Focal seizures, previously known as partial seizures, start in a specific area on one side of the brain. The level of awareness can vary in focal seizures, and they can be further classified as focal aware, focal impaired awareness, or awareness unknown. Focal seizures can also be motor, non-motor, or have other features such as aura. Generalized seizures involve networks on both sides of the brain at the onset, and consciousness is lost immediately. They can be further subdivided into motor and non-motor types. Unknown onset is used when the origin of the seizure is unknown. Focal to bilateral seizures start on one side of the brain in a specific area before spreading to both lobes and were previously known as secondary generalized seizures.

    • This question is part of the following fields:

      • Neurology
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  • Question 86 - A 32-year-old female presents to her GP with complaints of weight gain, hair...

    Incorrect

    • A 32-year-old female presents to her GP with complaints of weight gain, hair thinning, fatigue, and dry skin. What is the most probable reason for her symptoms?

      Your Answer:

      Correct Answer: Hypothyroidism

      Explanation:

      Differential Diagnosis of Endocrine Disorders: Symptoms and Treatment Options

      Hypothyroidism, adrenal insufficiency, Cushing syndrome, primary hypoparathyroidism, and secondary hypoparathyroidism are all endocrine disorders that can present with various symptoms. Hypothyroidism may cause cerebellar ataxia, myxoedema, and congestive cardiac failure, and is treated with replacement of thyroid hormone. Adrenal insufficiency may cause tiredness, weakness, and postural hypotension, among other symptoms. Cushing syndrome may present with central obesity, skin and muscle atrophy, and osteoporosis. Primary hypoparathyroidism may cause hypocalcaemia symptoms, while secondary hypoparathyroidism may also present with hypocalcaemia symptoms. Treatment options vary depending on the specific disorder.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
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  • Question 87 - A 25-year-old woman arrives at the Emergency Department accompanied by a colleague from...

    Incorrect

    • A 25-year-old woman arrives at the Emergency Department accompanied by a colleague from work. She complains of experiencing a 'fluttering' sensation in her chest for the past 30 minutes. Although she admits to feeling 'a bit faint,' she denies any chest pain or difficulty breathing. Upon conducting an ECG, the results show a regular tachycardia of 166 bpm with a QRS duration of 110 ms. Her blood pressure is 102/68 mmHg, and her oxygen saturation levels are at 99% on room air. What is the most appropriate course of action?

      Your Answer:

      Correct Answer: Carotid sinus massage

      Explanation:

      Vagal manoeuvres, such as carotid sinus massage or the Valsalva manoeuvre, are the initial treatment for supraventricular tachycardia. Adenosine should only be administered if these manoeuvres are ineffective. According to the ALS guidelines, direct current cardioversion is not recommended for this condition.

      Understanding Supraventricular Tachycardia

      Supraventricular tachycardia (SVT) is a type of tachycardia that originates above the ventricles. It is commonly associated with paroxysmal SVT, which is characterized by sudden onset of a narrow complex tachycardia, usually an atrioventricular nodal re-entry tachycardia (AVNRT). Other causes include atrioventricular re-entry tachycardias (AVRT) and junctional tachycardias.

      When it comes to acute management, vagal maneuvers such as the Valsalva maneuver or carotid sinus massage can be used. Intravenous adenosine is also an option, with a rapid IV bolus of 6mg given initially, followed by 12mg and then 18mg if necessary. However, adenosine is contraindicated in asthmatics, and verapamil may be a better option for them. Electrical cardioversion is another option.

      To prevent episodes of SVT, beta-blockers can be used. Radio-frequency ablation is also an option. It is important to work with a healthcare provider to determine the best course of treatment for each individual case.

      Overall, understanding SVT and its management options can help individuals with this condition better manage their symptoms and improve their quality of life.

    • This question is part of the following fields:

      • Cardiovascular
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  • Question 88 - A 5-year-old boy with sickle cell anaemia complains of abdominal pain. During the...

    Incorrect

    • A 5-year-old boy with sickle cell anaemia complains of abdominal pain. During the physical examination, the doctor observes splenomegaly and signs of anaemia. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Sequestration crisis

      Explanation:

      In a sequestration crisis, the sickle cells lead to significant enlargement of the spleen, which causes abdominal pain as seen in this case. This is more prevalent in early childhood as repeated sequestration and infarction of the spleen during childhood can eventually lead to an auto-splenectomy. A sequestration crisis can result in severe anemia, noticeable pallor, and cardiovascular collapse due to the loss of effective circulating volume.

      Sickle cell anaemia is a condition that involves periods of good health with intermittent crises. There are several types of crises that can occur, including thrombotic or painful crises, sequestration, acute chest syndrome, aplastic, and haemolytic. Thrombotic crises, also known as painful crises or vaso-occlusive crises, are triggered by factors such as infection, dehydration, and deoxygenation. These crises are diagnosed clinically and can result in infarcts in various organs, including the bones, lungs, spleen, and brain.

      Sequestration crises occur when sickling occurs within organs such as the spleen or lungs, leading to pooling of blood and worsening of anaemia. This type of crisis is associated with an increased reticulocyte count. Acute chest syndrome is caused by vaso-occlusion within the pulmonary microvasculature, resulting in infarction in the lung parenchyma. Symptoms include dyspnoea, chest pain, pulmonary infiltrates on chest x-ray, and low pO2. Management involves pain relief, respiratory support, antibiotics, and transfusion.

      Aplastic crises are caused by infection with parvovirus and result in a sudden fall in haemoglobin. Bone marrow suppression leads to a reduced reticulocyte count. Haemolytic crises are rare and involve a fall in haemoglobin due to an increased rate of haemolysis. It is important to recognise and manage these crises promptly, as they can lead to serious complications and even death.

    • This question is part of the following fields:

      • Haematology/Oncology
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  • Question 89 - A 65-year-old man with a history of type 2 diabetes mellitus complains of...

    Incorrect

    • A 65-year-old man with a history of type 2 diabetes mellitus complains of deteriorating vision. Upon examination with mydriatic drops, pre-proliferative diabetic retinopathy is discovered. The patient is referred to an ophthalmologist. However, later that evening while driving home, he experiences reduced visual acuity and pain in his left eye. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Acute angle closure glaucoma

      Explanation:

      Although mydriatic drops can cause acute angle closure glaucoma, this situation is more frequently encountered in exams than in actual medical practice.

      Glaucoma is a group of disorders that cause optic neuropathy due to increased intraocular pressure (IOP). However, not all patients with raised IOP have glaucoma, and vice versa. Acute angle-closure glaucoma (AACG) is a type of glaucoma where there is a rise in IOP due to impaired aqueous outflow. Factors that increase the risk of AACG include hypermetropia, pupillary dilatation, and lens growth associated with age. Symptoms of AACG include severe pain, decreased visual acuity, haloes around lights, and a hard, red-eye. Management of AACG is an emergency and requires urgent referral to an ophthalmologist. Emergency medical treatment is necessary to lower the IOP, followed by definitive surgical treatment once the acute attack has subsided.

      There are no specific guidelines for the initial medical treatment of AACG, but a combination of eye drops may be used, including a direct parasympathomimetic, a beta-blocker, and an alpha-2 agonist. Intravenous acetazolamide may also be administered to reduce aqueous secretions. Definitive management of AACG involves laser peripheral iridotomy, which creates a small hole in the peripheral iris to allow aqueous humour to flow to the angle. It is important to seek medical attention immediately if symptoms of AACG are present to prevent permanent vision loss.

    • This question is part of the following fields:

      • Ophthalmology
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  • Question 90 - A 28-year-old woman visits her primary care physician complaining of a fishy-smelling watery...

    Incorrect

    • A 28-year-old woman visits her primary care physician complaining of a fishy-smelling watery discharge from her vagina, which worsens after sexual activity. What test would be the most helpful in diagnosing her condition?

      Your Answer:

      Correct Answer: Test vaginal pH

      Explanation:

      Diagnostic Tests for Bacterial Vaginosis

      Bacterial vaginosis (BV) is a common vaginal infection caused by a shift in the vaginal flora, resulting in a change in pH. Here are some diagnostic tests that can be used to identify BV:

      1. Test vaginal pH: A vaginal pH of > 4.5 in conjunction with a fishy odour and the characteristic discharge is diagnostic of BV.

      2. Blood serology testing: BV cannot be diagnosed through blood serology testing as it is not caused by a single organism.

      3. High vaginal swab for sexually transmitted infections: BV is not a sexually transmitted infection, but the presence of other STIs can increase the prevalence of BV.

      4. Low vaginal swab: A culture of the vaginal organisms via a low vaginal swab is not a useful way to diagnose BV.

      5. Urinary microscopy, sensitivity, and culture: Urinary culture is not used to diagnose BV. Diagnosis is based on characteristic findings at examination.

      In conclusion, a combination of a high vaginal swab for STIs and a test for vaginal pH can be used to diagnose BV.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 91 - A 35-year-old man presents to his family doctor after a trip to Southeast...

    Incorrect

    • A 35-year-old man presents to his family doctor after a trip to Southeast Asia. He and his colleagues frequently ate at street food stalls during their trip, often consuming seafood. He complains of feeling unwell, loss of appetite, yellowing of the skin and dark urine. He had a fever initially, but it disappeared once the jaundice appeared. During the examination, he has an enlarged liver and tenderness in the upper right quadrant. His ALT and AST levels are ten times the upper limit of normal, while his bilirubin level is six times the upper limit of normal, but his ALP is only slightly elevated. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Hepatitis A

      Explanation:

      The patient’s history of foreign travel suggests that the most likely diagnosis is Hepatitis A. This virus is typically contracted through ingestion of contaminated food, particularly undercooked shellfish. While rare, outbreaks of Hepatitis A can occur worldwide, especially in resource-poor regions. Symptoms usually appear 2-6 weeks after exposure and can be more severe in older patients. Liver function tests often show elevated levels of ALT and AST. Diagnosis is confirmed through serologic testing for IgM antibody to HAV. Treatment involves supportive care and management of complications. Salmonella infection, Hepatitis B, gallstones, and pancreatic carcinoma are less likely diagnoses based on the patient’s symptoms and clinical presentation.

    • This question is part of the following fields:

      • Infectious Diseases
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  • Question 92 - Which one of the following statement regarding the 1977 Abortion Act is true?...

    Incorrect

    • Which one of the following statement regarding the 1977 Abortion Act is true?

      Your Answer:

      Correct Answer: It states that an abortion may be performed if the pregnancy presents a risk to the physical or mental health of any existing children

      Explanation:

      Termination of Pregnancy in the UK

      The UK’s current abortion law is based on the 1967 Abortion Act, which was amended in 1990 to reduce the upper limit for termination from 28 weeks to 24 weeks gestation. To perform an abortion, two registered medical practitioners must sign a legal document, except in emergencies where only one is needed. The procedure must be carried out by a registered medical practitioner in an NHS hospital or licensed premise.

      The method used to terminate a pregnancy depends on the gestation period. For pregnancies less than nine weeks, mifepristone (an anti-progestogen) is administered, followed by prostaglandins 48 hours later to stimulate uterine contractions. For pregnancies less than 13 weeks, surgical dilation and suction of uterine contents is used. For pregnancies more than 15 weeks, surgical dilation and evacuation of uterine contents or late medical abortion (inducing ‘mini-labour’) is used.

      The 1967 Abortion Act outlines the circumstances under which a person shall not be guilty of an offence under the law relating to abortion. These include if two registered medical practitioners are of the opinion, formed in good faith, that the pregnancy has not exceeded its 24th week and that the continuance of the pregnancy would involve risk, greater than if the pregnancy were terminated, of injury to the physical or mental health of the pregnant woman or any existing children of her family. The limits do not apply in cases where it is necessary to save the life of the woman, there is evidence of extreme fetal abnormality, or there is a risk of serious physical or mental injury to the woman.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 93 - A 79-year-old woman visits her GP complaining of a painless leg ulcer that...

    Incorrect

    • A 79-year-old woman visits her GP complaining of a painless leg ulcer that has been present for a few weeks. Upon examination, the GP observes a superficial erythematous oval-shaped ulcer above her medial malleolus, with hyperpigmentation of the surrounding skin. The patient's ankle-brachial pressure index (ABPI) is 0.95. What is the initial management strategy that should be employed?

      Your Answer:

      Correct Answer: Compression bandaging

      Explanation:

      The recommended treatment for venous ulceration is compression bandaging, which is appropriate for this patient who exhibits typical signs of the condition such as hyperpigmentation and an ulcer located above the medial malleolus. Before initiating compression treatment, an ABPI was performed to rule out arterial disease, which was normal. Hydrocolloid dressings have limited benefit for venous ulceration, while flucloxacillin is used to treat cellulitis. Diabetic foot ulcers are painless and tend to occur on pressure areas, while arterial ulcers have distinct characteristics and are associated with an abnormal ABPI.

      Venous Ulceration and its Management

      Venous ulceration is a type of ulcer that is commonly seen above the medial malleolus. To assess for poor arterial flow that could impair healing, an ankle-brachial pressure index (ABPI) is important in non-healing ulcers. A normal ABPI is usually between 0.9 – 1.2, while values below 0.9 indicate arterial disease. Interestingly, values above 1.3 may also indicate arterial disease, particularly in diabetics, due to false-negative results caused by arterial calcification.

      The only treatment that has been shown to be of real benefit for venous ulceration is compression bandaging, usually four-layer. Oral pentoxifylline, a peripheral vasodilator, can also improve the healing rate. There is some small evidence supporting the use of flavonoids, but little evidence to suggest benefit from hydrocolloid dressings, topical growth factors, ultrasound therapy, and intermittent pneumatic compression. Proper management of venous ulceration is crucial to promote healing and prevent complications.

    • This question is part of the following fields:

      • Dermatology
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  • Question 94 - A 30-year-old woman visits her GP clinic as her sister was recently diagnosed...

    Incorrect

    • A 30-year-old woman visits her GP clinic as her sister was recently diagnosed with breast cancer. She is worried about her own risk and is considering genetic testing. However, there is no other history of breast cancer in the family. What specific information should lead to a referral to a breast specialist?

      Your Answer:

      Correct Answer: Her sister being 38-years-old

      Explanation:

      Familial breast cancer is linked to ovarian cancer, not endometrial cancer.

      Breast cancer screening is offered to women aged 50-70 years through the NHS Breast Screening Programme. Mammograms are provided every three years, and women over 70 years are encouraged to make their own appointments. While the effectiveness of breast screening is debated, it is estimated that the programme saves around 1,400 lives annually.

      For those with familial breast cancer, NICE guidelines recommend referral if there is a family history of breast cancer with any of the following: diagnosis before age 40, bilateral breast cancer, male breast cancer, ovarian cancer, Jewish ancestry, sarcoma in a relative under 45 years, glioma or childhood adrenal cortical carcinomas, complicated patterns of multiple cancers at a young age, or paternal history of breast cancer with two or more relatives on the father’s side. Women at increased risk due to family history may be offered screening at a younger age. Referral to a breast clinic is recommended for those with a first-degree relative diagnosed with breast cancer before age 40, a first-degree male relative with breast cancer, a first-degree relative with bilateral breast cancer before age 50, two first-degree relatives or one first-degree and one second-degree relative with breast cancer, or a first- or second-degree relative with breast and ovarian cancer.

    • This question is part of the following fields:

      • Genetics
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  • Question 95 - A 35-year-old male is admitted to hospital after an overdose of paracetamol. He...

    Incorrect

    • A 35-year-old male is admitted to hospital after an overdose of paracetamol. He waited until his children had gone to school and his wife had left for work before taking 100 tablets. He did not drink any alcohol and rarely has any. He had taken annual leave from the steady job in a factory and had left a note. His wife had forgotten something so returned from work earlier than usual and found him semi-conscious.

      After treatment for his physical health he tells you that he does not regret the attempt but feels bad that he has put his children through enough seeing him in hospital. He is not religious. His wife is not very supportive of him and thinks he is 'attention-seeking'. He has no other family or friends locally. He has struggled with symptoms of depression for a number of months and has never sought help, but otherwise is physically well.

      During your assessment, you want to ascertain any protective factors.

      Which of the following is a protective factor in this case?

      Your Answer:

      Correct Answer: She has children at home

      Explanation:

      Completed suicide can be prevented by certain protective factors such as having social support, religious beliefs, having children at home, and regretting a previous attempt. It is important to note that the duration of mental illness is not a determining factor, but having a mental illness, especially depression, increases the risk. Alcohol misuse is also a risk factor, but in this scenario, the fact that the person does not drink much alcohol is not particularly protective. The individual in the scenario lacks social support and is not religious, making those options incorrect. However, having children present at home is a protective factor.

      Suicide Risk Factors and Protective Factors

      Suicide risk assessment is a common practice in psychiatric care, with patients being stratified into high, medium, or low risk categories. However, there is a lack of evidence on the positive predictive value of individual risk factors. A review in the BMJ concluded that such assessments may not be useful in guiding decision-making, as 50% of suicides occur in patients deemed low risk. Nevertheless, certain factors have been associated with an increased risk of suicide, including male sex, history of deliberate self-harm, alcohol or drug misuse, mental illness, depression, schizophrenia, chronic disease, advancing age, unemployment or social isolation, and being unmarried, divorced, or widowed.

      If a patient has attempted suicide, there are additional risk factors to consider, such as efforts to avoid discovery, planning, leaving a written note, final acts such as sorting out finances, and using a violent method. On the other hand, there are protective factors that can reduce the risk of suicide, such as family support, having children at home, and religious belief. It is important to consider both risk and protective factors when assessing suicide risk and developing a treatment plan.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 96 - Which of the following is a contraindication to using a triptan for treating...

    Incorrect

    • Which of the following is a contraindication to using a triptan for treating migraines in elderly patients?

      Your Answer:

      Correct Answer: A history of ischaemic heart disease

      Explanation:

      Triptan use is contraindicated in individuals with cardiovascular disease.

      Triptans for Migraine Treatment

      Triptans are medications that act as agonists for 5-HT1B and 5-HT1D receptors and are commonly used in the acute treatment of migraines. They are often prescribed in combination with NSAIDs or paracetamol and are typically taken as soon as possible after the onset of a headache, rather than at the onset of an aura. Triptans are available in various forms, including oral tablets, orodispersible tablets, nasal sprays, and subcutaneous injections.

      While triptans are generally well-tolerated, some patients may experience triptan sensations, such as tingling, heat, tightness in the throat and chest, heaviness, or pressure. It is important to note that triptans are contraindicated in patients with a history of or significant risk factors for ischaemic heart disease or cerebrovascular disease.

      In summary, triptans are a commonly used medication for the acute treatment of migraines. They should be taken as soon as possible after the onset of a headache and are available in various forms. However, patients should be aware of potential adverse effects and contraindications before taking triptans.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
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  • Question 97 - A 10-year-old boy presents to the General Practitioner with his father who reports...

    Incorrect

    • A 10-year-old boy presents to the General Practitioner with his father who reports that he has been falling behind at school. His teachers have noticed that multiple times during lessons he appears to be 'staring into space' for about ten seconds at a time, during which there is twitching of his arms. He does not remember these episodes. He is referred for an electroencephalography (EEG) which shows spike-and-wave complexes during an episode. He is started on a new medication.
      Which of the following is the most likely treatment?

      Your Answer:

      Correct Answer: Ethosuximide

      Explanation:

      When it comes to treating absence seizures, ethosuximide is the preferred first-line option for women and girls who may become pregnant. Boys and men can be treated with either ethosuximide or sodium valproate. Absence seizures are most common in children and young people, and are characterized by brief episodes of fixed gaze and possible arm or leg movements. An EEG can confirm the presence of spike-and-wave complexes during an attack. Sodium valproate may be used for boys and men, but should be avoided in women of childbearing potential due to the risk of birth defects. Carbamazepine is not effective for absence seizures, but is the first-line treatment for focal seizures. Lamotrigine may be used as a second-line option if other treatments are not effective or well-tolerated. In cases of status epilepticus, intravenous lorazepam is the preferred treatment in a hospital setting, but buccal midazolam or rectal diazepam can be used if intravenous access is not available.

    • This question is part of the following fields:

      • Neurology
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  • Question 98 - A 31-year-old female patient, who is three weeks postpartum, presents with a breast...

    Incorrect

    • A 31-year-old female patient, who is three weeks postpartum, presents with a breast lump. On examination, there is a fluctuant mass around 4 cm in diameter at the left upper quadrant adjacent to the nipple. There is overlying skin erythema and the lump is tenderness to touch. She is currently breast feeding but has been finding it very painful.
      What is the most probable causative agent for this condition?

      Your Answer:

      Correct Answer: Staphylococcus aureus

      Explanation:

      The primary cause of breast abscess in lactational women is Staphylococcus aureus, while Candida species is not a frequent culprit. On the other hand, Group B streptococcus and Klebsiella pneumoniae are responsible for breast abscess in non-lactating women.

      Breast Abscess: Causes and Management

      Breast abscess is a condition that commonly affects lactating women, with Staphylococcus aureus being the most common cause. The condition is characterized by the presence of a tender, fluctuant mass in the breast. To manage the condition, healthcare providers may opt for either incision and drainage or needle aspiration, typically using ultrasound. Antibiotics are also prescribed to help manage the infection.

      Breast abscess is a condition that can cause discomfort and pain in lactating women. It is caused by Staphylococcus aureus, a common bacterium that can infect the breast tissue. The condition is characterized by the presence of a tender, fluctuant mass in the breast. To manage the condition, healthcare providers may opt for either incision and drainage or needle aspiration, typically using ultrasound. Antibiotics are also prescribed to help manage the infection. Proper management of breast abscess is crucial to prevent complications and ensure a speedy recovery.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 99 - A 63-year-old woman with peripheral arterial disease is prescribed simvastatin. What blood test...

    Incorrect

    • A 63-year-old woman with peripheral arterial disease is prescribed simvastatin. What blood test monitoring is most suitable?

      Your Answer:

      Correct Answer: LFTs at baseline, 3 months and 12 months

      Explanation:

      To evaluate the effectiveness of treatment, a fasting lipid profile may be examined as part of the monitoring process.

      Statins are drugs that inhibit the action of an enzyme called HMG-CoA reductase, which is responsible for producing cholesterol in the liver. However, they can cause some adverse effects such as myopathy, which includes muscle pain, weakness, and damage, and liver impairment. Myopathy is more common in lipophilic statins than in hydrophilic ones. Statins may also increase the risk of intracerebral hemorrhage in patients who have had a stroke before. Therefore, they should be avoided in these patients. Statins should not be taken during pregnancy and should be stopped if the patient is taking macrolides.

      Statins are recommended for people with established cardiovascular disease, those with a 10-year cardiovascular risk of 10% or more, and patients with type 2 diabetes mellitus. Patients with type 1 diabetes mellitus who were diagnosed more than 10 years ago, are over 40 years old, or have established nephropathy should also take statins. It is recommended to take statins at night as this is when cholesterol synthesis takes place. Atorvastatin 20mg is recommended for primary prevention, and the dose should be increased if non-HDL has not reduced for 40% or more. Atorvastatin 80 mg is recommended for secondary prevention. The graphic shows the different types of statins available.

    • This question is part of the following fields:

      • Cardiovascular
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  • Question 100 - A 6-month-old infant is brought to his General Practitioner by his concerned mother....

    Incorrect

    • A 6-month-old infant is brought to his General Practitioner by his concerned mother. He has been crying after every feed for several weeks and regurgitating milk. He has also been failing to gain weight.
      Which of the following is the most likely diagnosis?

      Your Answer:

      Correct Answer: Gastro-oesophageal reflux disease (GORD)

      Explanation:

      The child’s symptoms suggest that they may have gastro-oesophageal reflux disease (GORD), which is characterized by regurgitation of milk after feeds and crying due to abdominal pain. This can lead to failure to gain weight or even weight loss. Infantile colic is less likely as it would not cause these symptoms. Intussusception, a condition where part of the bowel invaginates into another, causing colicky abdominal pain, vomiting, and passing of redcurrant stools, requires immediate hospitalization. Pyloric stenosis, which presents with projectile vomiting, dehydration, and faltering growth, is less likely as the child does not have projectile vomiting. Volvulus, a complete twisting of an intestinal loop, could present with bilious vomiting, signs of shock, peritonitis, and blood per rectum, and typically occurs in the first year of life.

    • This question is part of the following fields:

      • Paediatrics
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SESSION STATS - PERFORMANCE PER SPECIALTY

Infectious Diseases (1/2) 50%
Paediatrics (5/5) 100%
Haematology/Oncology (2/3) 67%
Genetics (0/1) 0%
Gastroenterology/Nutrition (3/5) 60%
Musculoskeletal (2/4) 50%
Pharmacology/Therapeutics (0/1) 0%
Neurology (5/6) 83%
Reproductive Medicine (3/7) 43%
Cardiovascular (2/6) 33%
Dermatology (2/2) 100%
Psychiatry (1/3) 33%
Respiratory Medicine (1/1) 100%
Immunology/Allergy (1/1) 100%
Renal Medicine/Urology (0/1) 0%
Passmed