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  • Question 1 - A 17-year-old female patient presents with concerns about her acne and its impact...

    Incorrect

    • A 17-year-old female patient presents with concerns about her acne and its impact on her self-esteem. She has been experiencing acne for a few years and is currently taking the combined oral contraceptive pill, which has provided some relief. After a thorough discussion, you decide to initiate treatment with topical isotretinoin. What other side effect, in addition to its teratogenic effects, should you inform her about?

      Your Answer: Yellowing of skin

      Correct Answer: Erythema

      Explanation:

      The initial approach to treating acne involves the use of a topical retinoid (such as tretinoin, isotretinoin, or adapalene) or benzoyl peroxide, particularly if there are papules and pustules present. Patients should be informed of the potential side effects of topical retinoids, which may include burning, redness, and dryness of the skin, as well as eye irritation and swelling. However, topical retinoids are not associated with aggravating acne, causing headaches or nausea, or leading to yellowing of the skin.

      Acne vulgaris is a common skin condition that typically affects adolescents, with the face, neck, and upper trunk being the most commonly affected areas. It is characterized by the obstruction of hair follicles with keratin plugs, leading to the formation of comedones, inflammation, and pustules. The severity of acne can be classified as mild, moderate, or severe, depending on the presence and extent of inflammatory lesions, papules, and pustules.

      The management of acne vulgaris typically involves a step-up approach, starting with single topical therapy such as topical retinoids or benzoyl peroxide. If this is not effective, topical combination therapy may be used, which includes a topical antibiotic, benzoyl peroxide, and topical retinoid. Oral antibiotics such as tetracyclines may also be prescribed, but they should be avoided in pregnant or breastfeeding women and children under 12 years of age. Erythromycin may be used in pregnancy, while minocycline is now considered less appropriate due to the possibility of irreversible pigmentation. Oral antibiotics should be used for a maximum of three months and always co-prescribed with a topical retinoid or benzoyl peroxide to reduce the risk of antibiotic resistance.

      Combined oral contraceptives (COCP) are an alternative to oral antibiotics in women, and Dianette (co-cyrindiol) may be used as it has anti-androgen properties. However, it has an increased risk of venous thromboembolism compared to other COCPs, so it should generally be used second-line and for only three months. Oral isotretinoin is a potent medication that should only be used under specialist supervision, and it is contraindicated in pregnancy. Finally, there is no evidence to support dietary modification in the management of acne vulgaris.

    • This question is part of the following fields:

      • Dermatology
      20.7
      Seconds
  • Question 2 - An 80-year-old man presents to the Emergency Department with a history of vomiting...

    Correct

    • An 80-year-old man presents to the Emergency Department with a history of vomiting blood earlier in the day. What is the most significant factor indicating an upper gastrointestinal bleed?

      Your Answer: Urea = 15.4 mmol/l on a background of normal renal function

      Explanation:

      A temporary and disproportionate increase in blood urea can be caused by an upper gastrointestinal bleed, which can function as a source of protein.

      Acute upper gastrointestinal bleeding is a common and significant medical issue that can be caused by various conditions, with oesophageal varices and peptic ulcer disease being the most common. The clinical features of this condition include haematemesis, melena, and a raised urea level due to the protein meal of the blood. The differential diagnosis for acute upper gastrointestinal bleeding includes oesophageal, gastric, and duodenal causes.

      The management of acute upper gastrointestinal bleeding involves risk assessment using the Glasgow-Blatchford score, which helps clinicians decide whether patients can be managed as outpatients or not. Resuscitation is also necessary, including ABC, wide-bore intravenous access, and platelet transfusion if actively bleeding platelet count is less than 50 x 10*9/litre. Endoscopy should be offered immediately after resuscitation in patients with a severe bleed, and all patients should have endoscopy within 24 hours.

      For non-variceal bleeding, proton pump inhibitors (PPIs) should not be given before endoscopy to patients with suspected non-variceal upper gastrointestinal bleeding. However, PPIs should be given to patients with non-variceal upper gastrointestinal bleeding and stigmata of recent haemorrhage shown at endoscopy. If further bleeding occurs, options include repeat endoscopy, interventional radiology, and surgery. For variceal bleeding, terlipressin and prophylactic antibiotics should be given to patients at presentation, and band ligation should be used for oesophageal varices and injections of N-butyl-2-cyanoacrylate for patients with gastric varices. Transjugular intrahepatic portosystemic shunts (TIPS) should be offered if bleeding from varices is not controlled with the above measures.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      8.3
      Seconds
  • Question 3 - A 68-year-old man came to your GP clinic complaining of stiffness and pain...

    Correct

    • A 68-year-old man came to your GP clinic complaining of stiffness and pain in his knee joints, painful urination, and a red eye with circumcorneal redness, hypopyon, and photophobia. What is the most probable reason for his red eye?

      Your Answer: Iritis

      Explanation:

      When dealing with reactive arthritis, it is important to keep in mind that anterior uveitis may also be present in addition to conjunctivitis.

      Since reactive arthritis is linked to HLA-B27, it is important to consider the possibility of iritis or anterior uveitis, even though conjunctivitis is more commonly seen as part of the triad of symptoms. The specific description of a red eye with circumcorneal redness and hypopyon suggests iritis rather than conjunctivitis. Conjunctivitis typically causes a more generalized redness of the eye and hypopyon is not commonly observed. Corneal ulceration is unlikely in this case as there is no mention of increased fluorescein uptake on the cornea or a visible ulcer. Scleritis can be ruled out as it does not present with circumcorneal redness or hypopyon. While scleritis is associated with systemic conditions such as rheumatoid arthritis and other collagen/vascular disorders like Wegener’s granulomatosis, polyarteritis nodosa, and systemic lupus erythematosus, it is not associated with reactive arthritis. Blepharitis is also an incorrect diagnosis as there were no eyelid symptoms and blepharitis does not typically cause a red eye with photophobic symptoms.

      Anterior uveitis, also known as iritis, is a type of inflammation that affects the iris and ciliary body in the front part of the uvea. It is a common cause of red eye and is associated with HLA-B27, which may also be linked to other conditions. Symptoms of anterior uveitis include sudden onset of eye discomfort and pain, small or irregular pupils, intense sensitivity to light, blurred vision, redness, tearing, and the presence of pus and inflammatory cells in the front part of the eye. This condition may be associated with ankylosing spondylitis, reactive arthritis, ulcerative colitis, Crohn’s disease, Behcet’s disease, and sarcoidosis. Urgent review by an ophthalmologist is necessary, and treatment may involve the use of cycloplegics and steroid eye drops.

    • This question is part of the following fields:

      • Ophthalmology
      15.2
      Seconds
  • Question 4 - A 38-year-old woman comes in for a check-up. She is currently 28 weeks...

    Incorrect

    • A 38-year-old woman comes in for a check-up. She is currently 28 weeks pregnant and has not experienced any complications thus far. During her booking appointment, her blood pressure was 112/78 mmHg, but today it has increased to 146/94 mmHg. Upon conducting a urine dipstick test, the following results were obtained:
      Protein negative
      Leucocytes negative
      Blood negative

      What is the most suitable characterization of her situation?

      Your Answer: Normal physiological change in blood pressure

      Correct Answer: Gestational hypertension

      Explanation:

      Hypertension during pregnancy is a common occurrence that requires careful management. In normal pregnancies, blood pressure tends to decrease in the first trimester and then gradually increase to pre-pregnancy levels by term. However, in cases of hypertension during pregnancy, the systolic blood pressure is usually above 140 mmHg or the diastolic blood pressure is above 90 mmHg. Additionally, an increase of more than 30 mmHg systolic or 15 mmHg diastolic from the initial readings may also indicate hypertension.

      There are three categories of hypertension during pregnancy: pre-existing hypertension, pregnancy-induced hypertension (PIH), and pre-eclampsia. Pre-existing hypertension refers to a history of hypertension before pregnancy or elevated blood pressure before 20 weeks gestation. PIH occurs in the second half of pregnancy and resolves after birth. Pre-eclampsia is characterized by hypertension and proteinuria, and may also involve edema.

      The management of hypertension during pregnancy involves the use of antihypertensive medications such as labetalol, nifedipine, and hydralazine. In cases of pre-existing hypertension, ACE inhibitors and angiotensin II receptor blockers should be stopped immediately and alternative medications should be prescribed. Women who are at high risk of developing pre-eclampsia should take aspirin from 12 weeks until the birth of the baby. It is important to carefully monitor blood pressure and proteinuria levels during pregnancy to ensure the health of both the mother and the baby.

    • This question is part of the following fields:

      • Reproductive Medicine
      24.2
      Seconds
  • Question 5 - A 67-year-old man presents for a review of his chronic obstructive pulmonary disease....

    Correct

    • A 67-year-old man presents for a review of his chronic obstructive pulmonary disease. He reports experiencing constant shortness of breath during physical activity, which has remained stable over the past year. He has a history of asbestos exposure and is currently under the care of a respiratory physician. During the examination, no abnormalities are detected, but a chest X-ray reveals the presence of pleural plaques. The patient expresses concern that these plaques may develop into cancer. What advice do you offer this patient regarding his test results?

      Your Answer: Benign and do not require follow-up

      Explanation:

      Pleural plaques are benign and do not develop into cancerous growths, so there is no need for any follow-up. These plaques are the most common form of lung disease caused by asbestos exposure, but they do not increase the risk of lung cancer or mesothelioma. While ongoing monitoring of the patient’s lung disease is recommended, there is no need to specifically monitor the pleural plaques. It is important to note that pleural plaques are a sign of past asbestos exposure, which could increase the risk of mesothelioma, but the plaques themselves are not a cause for concern. Therefore, the patient does not require a specialist referral for the pleural plaques alone. However, if the patient experiences worsening shortness of breath or frequent exacerbations, a specialist referral may be necessary to assess for disease progression or malignancy.

      Asbestos-Related Lung Diseases

      Asbestos exposure can lead to various lung diseases, ranging from benign pleural plaques to malignant mesothelioma. Pleural plaques are non-cancerous and do not require any follow-up, but they are the most common form of asbestos-related lung disease and typically appear after a latent period of 20-40 years. Asbestos exposure may also cause diffuse pleural thickening, which is similar to the pattern seen after an empyema or haemothorax, but the underlying pathophysiology is not fully understood.

      Asbestosis is a lung disease that is related to the length of exposure to asbestos. It causes lower lobe fibrosis and is typically characterized by dyspnea, reduced exercise tolerance, clubbing, bilateral end-inspiratory crackles, and a restrictive pattern with reduced gas transfer on lung function tests. Asbestosis is treated conservatively, as no interventions offer significant benefits. The latent period for asbestosis is typically 15-30 years.

      Mesothelioma is a malignant disease of the pleura that is caused by asbestos exposure, with crocidolite (blue) asbestos being the most dangerous form. Possible features of mesothelioma include progressive shortness-of-breath, chest pain, and pleural effusion. Patients are usually offered palliative chemotherapy, and there is a limited role for surgery and radiotherapy. Unfortunately, the prognosis for mesothelioma is very poor, with a median survival from diagnosis of 8-14 months.

      Although mesothelioma is often associated with asbestos exposure, lung cancer is actually the most common form of cancer related to asbestos exposure. It has a synergistic effect with cigarette smoke, which increases the risk of developing lung cancer.

    • This question is part of the following fields:

      • Respiratory Medicine
      9.4
      Seconds
  • Question 6 - A 45-year-old woman presents to her General Practitioner with an acutely red and...

    Correct

    • A 45-year-old woman presents to her General Practitioner with an acutely red and swollen left great toe, with no history of trauma. A diagnosis of gout is suspected.
      Which of the following risk factors make it most likely that the patient will develop this condition?

      Your Answer: Alcohol excess

      Explanation:

      Understanding the Risk Factors for Gout

      Gout is a painful condition caused by hyperuricaemia, which can be influenced by various risk factors. While the cause of hyperuricaemia is multifactorial, certain factors have been identified as predisposing individuals to gout. These include high BMI, male gender, cardiovascular disease, renal disease, diabetes, and the use of certain drugs such as diuretics. Additionally, alcohol excess, particularly from spirits and beer, has been shown to increase the risk of gout. However, eczema and smoking are not recognized as risk factors for gout. Interestingly, gout is more common in men and rare in premenopausal women, and being overweight, rather than underweight, has been proposed as a risk factor for gout. Understanding these risk factors can help individuals take steps to prevent or manage gout.

    • This question is part of the following fields:

      • Musculoskeletal
      4.7
      Seconds
  • Question 7 - A 32-year-old man is referred to the department of gastroenterology for a further...

    Correct

    • A 32-year-old man is referred to the department of gastroenterology for a further opinion having developed constant periumbilical pain radiating to both arms. Over the past three years he has been seen by colleagues in neurology, cardiology, rheumatology and endocrinology with a variety of symptoms, including fatigue, neck pain, chest pain and joint pain. Despite intensive investigations, no cause for his symptoms has been identified.
      Which of the following is the most likely diagnosis?

      Your Answer: Somatisation disorder

      Explanation:

      Understanding Somatoform Disorders: Exploring Possible Diagnoses for a Patient with Medically Unexplained Symptoms

      This patient presents with medically unexplained symptoms (MUS), which are collectively known as somatoform disorders. The chronicity and large number of diverse symptoms in this case suggest somatisation disorder, a condition that affects 5-10% of repeat attenders in specialist clinics. Somatisation disorder is more common in women than in men and tends to start in early adulthood. Treatment involves psychological interventions (e.g. CBT) and/or antidepressant medication, but patients are frequently reluctant to engage in these.

      Other possible diagnoses for MUS include conversion disorder, hypochondriasis, and undifferentiated somatoform disorder. Conversion disorder presents with neurological symptoms, usually some type of loss of function, while hypochondriasis is associated with a persistent preoccupation to have one or more serious and progressive physical illnesses. In hypochondriasis, the patient puts emphasis on the presence of one (or more) determinate illness and on having it diagnosed. In somatisation disorder, such as in this vignette, the emphasis is on the symptoms (for which the patients seeks a medical explanation), rather than on a specific diagnosis. Undifferentiated somatoform disorder is used when the MUS are multiple and persistent, but the diagnostic criteria for somatisation disorder cannot be fulfilled.

      Depression is an important co-morbidity in patients with somatoform disorders, but in this vignette, the combination of physical symptoms and the extensive and complex history of contact with primary and secondary services makes somatisation disorder the most likely diagnosis. It is particularly important to use a patient-centred, empathic interview style with patients with somatoform disorders to ensure they receive the appropriate care and support.

    • This question is part of the following fields:

      • Psychiatry
      19.4
      Seconds
  • Question 8 - A 30-year-old woman has been diagnosed with Graves disease and has been prescribed...

    Correct

    • A 30-year-old woman has been diagnosed with Graves disease and has been prescribed carbimazole. What is the most severe side effect of carbimazole?

      Your Answer: Reversible agranulocytosis

      Explanation:

      Carbimazole: Side Effects and Mechanism of Action

      Carbimazole is a medication used to treat hyperthyroidism by inhibiting the production of thyroid hormones. However, it can also cause several side effects that patients should be aware of.

      The most serious side effect is bone marrow suppression, which can lead to neutropenia and agranulocytosis. Patients should report any symptoms of infection immediately, as routine monitoring of white cell count is not useful. Cholestatic jaundice and drug-induced hepatitis are also possible side effects, but usually reversible upon discontinuation of the drug. Hypoprothrombinaemia, a rare side effect, can increase the risk of bleeding in patients on anticoagulant therapy.

      Carbimazole works by inhibiting the enzyme thyroperoxidase, which is responsible for the synthesis of thyroid hormones. However, its onset of clinical effects is slow because it takes time to deplete the large store of pre-formed thyroid hormones in the thyroid gland.

      In addition to its anti-thyroid effect, carbimazole also has a modest immunosuppressive activity, reduces the serum level of thyroid-stimulating hormone antibody, and can cause a reduction in clotting factor prothrombin. However, these effects are not thought to contribute significantly to its efficacy.

      Overall, patients taking carbimazole should be aware of its potential side effects and report any symptoms to their healthcare provider promptly.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      17.8
      Seconds
  • Question 9 - A 16-year-old complains of left knee pain that has been present for the...

    Incorrect

    • A 16-year-old complains of left knee pain that has been present for the last 4 weeks. No injury history is reported. The pain is located in the front of the joint and is aggravated when ascending or descending stairs. Physical examination reveals no significant findings. What is the probable diagnosis?

      Your Answer: Osteochondritis dissecans

      Correct Answer: Chondromalacia patellae

      Explanation:

      Common Knee Problems in Children and Young Adults

      Knee problems are common in children and young adults, especially those who are active in sports.
      Chondromalacia patellae is a condition that is more common in teenage girls. It is characterized by the softening of the cartilage of the patella, which can cause anterior knee pain when walking up and down stairs or rising from prolonged sitting. This condition usually responds well to physiotherapy.

      Osgood-Schlatter disease, also known as tibial apophysitis, is often seen in sporty teenagers. It causes pain, tenderness, and swelling over the tibial tubercle.

      Osteochondritis dissecans can cause pain after exercise, as well as intermittent swelling and locking of the knee.

      Patellar subluxation can cause medial knee pain due to lateral subluxation of the patella. The knee may also give way.

      Patellar tendonitis is more common in athletic teenage boys. It causes chronic anterior knee pain that worsens after running. On examination, the area below the patella is tender. It is important to note that referred pain may come from hip problems such as slipped upper femoral epiphysis.

    • This question is part of the following fields:

      • Paediatrics
      13
      Seconds
  • Question 10 - A mother brings in her 3-month old male baby to the pediatrician's office....

    Incorrect

    • A mother brings in her 3-month old male baby to the pediatrician's office. She reports that for the past two weeks, the baby has been experiencing poor feeding, with intermittent rapid breathing, wheezing, and sweating. Additionally, the baby's weight has dropped off the initial centile. During the examination, the pediatrician discovers hepatomegaly.
      What could be the probable reason for these symptoms?

      Your Answer: Acute liver failure

      Correct Answer: Congestive heart failure

      Explanation:

      The neonate is displaying signs of heart failure, which may be caused by structural heart disease. Symptoms of heart failure in neonates include difficulty feeding, breathing problems, and an enlarged liver. Asthma is not typically diagnosed in this age group, and acute liver failure is rare and usually presents with growth issues and blood clotting problems. Viral wheezing is uncommon in neonates, and the poor feeding and weight loss suggest heart failure as the likely cause.

      How Congenital Heart Disease Presents

      Congenital heart disease can manifest in various ways. One of the earliest signs may be detected during the antenatal period when imaging of the heart is performed as part of the 18-20 week fetal anomaly scan. A murmur may also be detected during the routine newborn examination. Cyanosis, a bluish discoloration of the skin and mucous membranes, may also be present. In some cases, heart failure may occur, which can be characterized by poor feeding, shortness of breath, sweating, and hepatomegaly. It is important to be aware of these presentations in order to promptly diagnose and manage congenital heart disease.

    • This question is part of the following fields:

      • Paediatrics
      8.6
      Seconds
  • Question 11 - A 30-year-old woman expecting her second child and who is 28 weeks pregnant...

    Correct

    • A 30-year-old woman expecting her second child and who is 28 weeks pregnant is referred to the Obstetric Unit with symptoms of headache, blurred vision and nausea.
      On examination, her blood pressure (BP) is 160/110 mmHg; her antenatal diary shows consistent systolic readings of 115/125 mmHg and consistent diastolic readings of < 85 mmHg. Her urine dip shows proteinuria.
      What is the most appropriate first-line treatment for this patient?

      Your Answer: Labetalol

      Explanation:

      Treatment Options for Pre-eclampsia in Pregnancy

      Pre-eclampsia is a serious condition that can occur during pregnancy, characterized by high blood pressure, headaches, flashing lights, and vomiting. The following are treatment options for pre-eclampsia:

      Labetalol: This beta-blocker is the first-line treatment for pre-eclampsia. According to NICE guidelines, patients should be admitted for monitoring if their blood pressure is above 140/90 mmHg. Labetalol should be used if their systolic blood pressure goes above 150 mmHg or diastolic blood pressure above 100 mmHg. Nifedipine can be used as an alternative if labetalol is contraindicated or not tolerated.

      Ramipril: Angiotensin-converting enzyme inhibitors are not recommended during pregnancy due to potential harm to the fetus.

      Hydralazine: This vasodilator is reserved for severe pre-eclampsia and requires specialist support.

      Methyldopa: This medication is the third-line option if labetalol is ineffective and nifedipine is not tolerated or ineffective.

      Nifedipine: This calcium channel blocker is the second-line treatment if labetalol is ineffective or not tolerated.

      In conclusion, pre-eclampsia requires prompt treatment to prevent serious complications. Labetalol is the first-line treatment, and other medications can be used if necessary. It is important to consult with a healthcare provider to determine the best course of action for each individual case.

    • This question is part of the following fields:

      • Cardiovascular
      21.6
      Seconds
  • Question 12 - A 70-year-old man comes to you with complaints of nocturnal dyspnea, intermittent palpitations,...

    Incorrect

    • A 70-year-old man comes to you with complaints of nocturnal dyspnea, intermittent palpitations, and chest tightness. During your examination, you observe a collapsing pulse and a displaced apex beat towards the left. Additionally, you notice his head nodding in sync with his pulse. What do you anticipate hearing upon auscultation of the precordium?

      Your Answer: A late diastolic murmur

      Correct Answer: An early diastolic murmur

      Explanation:

      Aortic regurgitation is usually accompanied by an early diastolic murmur, along with Corrigan’s pulse and De Musset’s sign. Mitral regurgitation is characterized by a pansystolic murmur, while aortic stenosis is associated with an ejection systolic murmur. A patent ductus arteriosus is indicated by a continuous ‘machinery’ murmur, and mitral stenosis is associated with a late diastolic murmur.

      Aortic regurgitation is a condition where the aortic valve of the heart leaks, causing blood to flow in the opposite direction during ventricular diastole. This can be caused by disease of the aortic valve or by distortion or dilation of the aortic root and ascending aorta. In the developing world, rheumatic fever is the most common cause of AR, while in developed countries, calcific valve disease and connective tissue diseases like rheumatoid arthritis and SLE are more common causes. Symptoms of AR include an early diastolic murmur, collapsing pulse, wide pulse pressure, Quincke’s sign, and De Musset’s sign. Echocardiography is used to investigate suspected AR. Management includes medical management of any associated heart failure and surgery for symptomatic patients with severe AR or asymptomatic patients with severe AR who have LV systolic dysfunction.

    • This question is part of the following fields:

      • Cardiovascular
      444.4
      Seconds
  • Question 13 - A 55-year-old man comes to his GP clinic complaining of palpitations that have...

    Incorrect

    • A 55-year-old man comes to his GP clinic complaining of palpitations that have been ongoing for the past day. He has no significant medical history. There are no accompanying symptoms of chest pain or difficulty breathing. Physical examination is normal except for an irregularly fast heartbeat. An electrocardiogram reveals atrial fibrillation with a rate of 126 bpm and no other abnormalities. What is the best course of action for treatment?

      Your Answer: Beta-blocker + warfarin

      Correct Answer: Admit patient

      Explanation:

      Admission to hospital is necessary for this patient as they are a suitable candidate for electrical cardioversion.

      Atrial Fibrillation and Cardioversion: Elective Procedure for Rhythm Control

      Cardioversion is a medical procedure used in atrial fibrillation (AF) to restore the heart’s normal rhythm. There are two scenarios where cardioversion may be used: as an emergency if the patient is haemodynamically unstable, or as an elective procedure where a rhythm control strategy is preferred. In the elective scenario, cardioversion can be performed either electrically or pharmacologically. Electrical cardioversion is synchronised to the R wave to prevent delivery of a shock during the vulnerable period of cardiac repolarisation when ventricular fibrillation can be induced.

      According to the 2014 NICE guidelines, rate or rhythm control should be offered if the onset of the arrhythmia is less than 48 hours, and rate control should be started if it is more than 48 hours or is uncertain. If the AF is definitely of less than 48 hours onset, patients should be heparinised and may be cardioverted using either electrical or pharmacological means. However, if the patient has been in AF for more than 48 hours, anticoagulation should be given for at least 3 weeks prior to cardioversion. An alternative strategy is to perform a transoesophageal echo (TOE) to exclude a left atrial appendage (LAA) thrombus. If excluded, patients may be heparinised and cardioverted immediately.

      NICE recommends electrical cardioversion in this scenario, rather than pharmacological. If there is a high risk of cardioversion failure, it is recommended to have at least 4 weeks of amiodarone or sotalol prior to electrical cardioversion. Following electrical cardioversion, patients should be anticoagulated for at least 4 weeks. After this time, decisions about anticoagulation should be taken on an individual basis depending on the risk of recurrence.

    • This question is part of the following fields:

      • Cardiovascular
      22.9
      Seconds
  • Question 14 - Patients with severe pneumonia may face various risk factors that increase their chances...

    Correct

    • Patients with severe pneumonia may face various risk factors that increase their chances of death. Which of the following factors does not contribute to this risk?

      Your Answer: Age 49 years

      Explanation:

      Understanding the CURB-65 Score for Mortality Prediction in Pneumonia

      Pneumonia is a serious respiratory infection that can lead to mortality, especially in older patients. Several factors can increase the risk of death, including elevated urea levels, low blood pressure, leukopenia, and atrial fibrillation. To predict mortality in pneumonia, healthcare professionals use the CURB-65 score, which considers five parameters: confusion, urea >7 mmol/l, respiratory rate >30/min, systolic blood pressure <90 mmHg or diastolic blood pressure <60 mmHg, and age >65 years. Each parameter scores a point, and the higher the total score, the higher the associated mortality.

      Based on the CURB-65 score, healthcare professionals can make informed decisions about treatment and admission to hospital. Patients with a score of 0 or 1 can be treated at home with oral antibiotics, while those with a score of 2 should be considered for hospital admission. Patients with a score of 3 or higher should be admitted to hospital, and those with a score of 4-5 may require high dependency or intensive therapy unit admission. However, individual circumstances, such as the patient’s performance status, co-morbidities, and social situation, should also be considered when making treatment decisions.

      In summary, the CURB-65 score is a valuable tool for predicting mortality in pneumonia and guiding treatment decisions. By considering multiple factors, healthcare professionals can provide the best possible care for patients with this serious infection.

    • This question is part of the following fields:

      • Respiratory Medicine
      7.3
      Seconds
  • Question 15 - A 32-year-old female patient complains of gradual tingling and numbness in her right...

    Correct

    • A 32-year-old female patient complains of gradual tingling and numbness in her right hand's 4th and 5th fingers. The symptoms were occasional at first, but now they are persistent. She observes that the discomfort intensifies when she rests her right elbow on a surface. She remembers hitting her elbow against a door a while back. What is the probable diagnosis?

      Your Answer: Cubital tunnel syndrome

      Explanation:

      Cubital tunnel syndrome is a condition that occurs when the ulnar nerve is compressed, resulting in tingling and numbness in the fourth and fifth fingers.

      The correct answer is cubital tunnel syndrome. The ulnar nerve passes through the cubital tunnel, and when it is compressed, it can cause the symptoms described, such as tingling and numbness in the fourth and fifth fingers. Treatment for this condition may involve conservative measures, but surgery may be necessary in some cases.

      Carpal tunnel syndrome, on the other hand, is caused by compression of the median nerve at the wrist, leading to pain and tingling in the hand and wrist, rather than specific fingers.

      De Quervain’s tenosynovitis presents differently, with pain occurring during movement of the thumb and wrist, and the radial styloid may become thickened and hardened.

      Medial epicondylitis, or golfer’s elbow, causes pain in the medial elbow area, near the cubital tunnel, but it is a tendinopathy rather than nerve compression. The pain is localized to the affected area.

      Understanding Cubital Tunnel Syndrome

      Cubital tunnel syndrome is a condition that occurs when the ulnar nerve is compressed as it passes through the cubital tunnel. This can cause a range of symptoms, including tingling and numbness in the fourth and fifth fingers, which may start off intermittent but eventually become constant. Over time, patients may also experience weakness and muscle wasting. Pain is often worse when leaning on the affected elbow, and there may be a history of osteoarthritis or prior trauma to the area.

      Diagnosis of cubital tunnel syndrome is usually made based on clinical features, although nerve conduction studies may be used in selected cases. Management of the condition typically involves avoiding aggravating activities, undergoing physiotherapy, and receiving steroid injections. In cases where these measures are not effective, surgery may be necessary. By understanding the symptoms and treatment options for cubital tunnel syndrome, patients can take steps to manage their condition and improve their quality of life.

    • This question is part of the following fields:

      • Musculoskeletal
      18.5
      Seconds
  • Question 16 - As a foundation doctor in general surgery, you are assisting your consultant in...

    Correct

    • As a foundation doctor in general surgery, you are assisting your consultant in a surgical exploration of a suspected testicular torsion in a patient with a bell clapper deformity. The patient, who is in his early twenties, has been experiencing symptoms for six hours. Upon examination, the surgery confirms the presence of testicular torsion.

      What is the appropriate course of action for the surgeon to take in this situation?

      Your Answer: Fixation of both testicles

      Explanation:

      To prevent future torsion of the other testicle, it is recommended that both testes be fixed during testicular torsion surgery. While manual rotation may be successful in some cases, it is not appropriate once surgery has begun. If a bell clapper deformity is present, both testes should be fixed if they are still viable. Given the short duration of symptoms (only six hours), it is unlikely that surgical removal (orchiectomy) will be necessary.

      Testicular Torsion: Causes, Symptoms, and Treatment

      Testicular torsion is a medical condition that occurs when the spermatic cord twists, leading to testicular ischaemia and necrosis. This condition is most common in males aged between 10 and 30, with a peak incidence between 13 and 15 years. The symptoms of testicular torsion are sudden and severe pain, which may be referred to the lower abdomen. Nausea and vomiting may also be present. On examination, the affected testis is usually swollen, tender, and retracted upwards, with reddened skin. The cremasteric reflex is lost, and elevation of the testis does not ease the pain (Prehn’s sign).

      The treatment for testicular torsion is urgent surgical exploration. If a torted testis is identified, both testes should be fixed, as the condition of bell clapper testis is often bilateral.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      110.2
      Seconds
  • Question 17 - A 25-year-old man presents with sudden onset of pain in his right elbow...

    Correct

    • A 25-year-old man presents with sudden onset of pain in his right elbow and left Achilles tendon. He reports dysuria, conjunctivitis, and fever, and recently returned from a trip to the Far East where he had unprotected sex. He has also developed macules and pustules on his hands. What is the most likely diagnosis?

      Your Answer: Reactive arthritis

      Explanation:

      Reactive arthritis is a type of arthritis that occurs after an infection, typically dysentery or a sexually transmitted disease. It affects 1-2% of patients who have had these infections, with Salmonella, Shigella, and Yersinia causing diarrheal illness that can lead to reactive arthritis, and Chlamydia trichomonas and Ureaplasma urealyticum causing STDs. Those who are HLA-B27-positive are at a higher risk of developing reactive arthritis. Symptoms include acute, asymmetrical lower limb arthritis, enthesitis causing plantar fasciitis or Achilles tendinosis, and back pain from sacroiliitis and spondylosis. Other symptoms may include acute anterior uveitis, circinate balanitis, keratoderma blenorrhagia, nail dystrophy, mouth ulcers, and bilateral conjunctivitis. The classic triad of conjunctivitis, urethritis, and arthritis may also be present. In this scenario, the patient’s symptoms and history of unprotected sexual intercourse suggest reactive arthritis as the correct diagnosis. Other potential diagnoses, such as UTI, HIV, psoriatic arthritis, and syphilitic arthritis, can be ruled out based on the patient’s symptoms and history.

    • This question is part of the following fields:

      • Musculoskeletal
      13.4
      Seconds
  • Question 18 - You are speaking to a 26-year-old man who is known to have haemophilia...

    Correct

    • You are speaking to a 26-year-old man who is known to have haemophilia A. His wife has had genetic testing and was found not to be a carrier of haemophilia. He asks you what the chances are of his future children developing haemophilia. What is the correct answer?

      Your Answer: 0%

      Explanation:

      If the mother is not a carrier of the X-linked recessive condition, so there is no risk of future children developing haemophilia. However, any daughters the father has will be carriers. Male-to-male transmission is not possible, and affected males can only have unaffected sons and carrier daughters.

      Understanding X-Linked Recessive Inheritance

      X-linked recessive inheritance is a genetic pattern where only males are affected, except in rare cases such as Turner’s syndrome. This type of inheritance is transmitted by heterozygote females, who are carriers of the gene mutation. Male-to-male transmission is not observed in X-linked recessive disorders. Affected males can only have unaffected sons and carrier daughters.

      If a female carrier has children, each male child has a 50% chance of being affected, while each female child has a 50% chance of being a carrier. It is important to note that the possibility of an affected father having children with a heterozygous female carrier is generally rare. However, in some Afro-Caribbean communities, G6PD deficiency is relatively common, and homozygous females with clinical manifestations of the enzyme defect are observed.

      In summary, X-linked recessive inheritance is a genetic pattern that affects only males and is transmitted by female carriers. Understanding this pattern is crucial in predicting the likelihood of passing on genetic disorders to future generations.

    • This question is part of the following fields:

      • Paediatrics
      7.3
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  • Question 19 - As a general practice doctor, you see a 35-year-old plumber who complains of...

    Correct

    • As a general practice doctor, you see a 35-year-old plumber who complains of shooting pains down his left leg for the past 3 weeks. The pain has been increasing in intensity and over the counter analgesia has not helped. The patient has no past medical history and takes no regular medications. During examination, you find normal power in both legs but altered sensation over the great toe on his left. There are no urinary symptoms or perianal sensation issues. An MRI scan of his lumbar spine shows a small left paracentral L4/5 disc prolapse causing compression of the transiting L5 nerve root. There is no compression of the cauda equina with CSF visible around all nerve roots. What is the most appropriate next step in managing this patient?

      Your Answer: Start treatment with NSAIDs and refer for physiotherapy

      Explanation:

      Most cases of sciatica can be resolved within 3 months through conservative treatment, and specialist referral is rarely necessary. However, if the pain persists after 4-6 weeks of physiotherapy and anti-neuropathic medication, referral to spinal surgery may be considered. Discharging the patient without proper intervention is not recommended as there is a risk of symptoms worsening and developing cauda equina syndrome. Patients should be advised to seek emergency care if they experience peri-anal or saddle sensory changes, difficulty urinating, or symptoms affecting both legs. Opiates are not recommended for neuropathic pain and may lead to dependence. Instead, a more appropriate and effective pain reliever for the patient’s age would be a non-steroidal anti-inflammatory drug (NSAID) like naproxen.

      Understanding Prolapsed Disc and its Features

      A prolapsed lumbar disc is a common cause of lower back pain that can lead to neurological deficits. It is characterized by clear dermatomal leg pain, which is usually worse than the back pain. The pain is often aggravated when sitting. The features of the prolapsed disc depend on the site of compression. For instance, L3 nerve root compression can cause sensory loss over the anterior thigh, weak quadriceps, reduced knee reflex, and a positive femoral stretch test. On the other hand, L4 nerve root compression can lead to sensory loss in the anterior aspect of the knee, weak quadriceps, reduced knee reflex, and a positive femoral stretch test.

      The management of prolapsed disc is similar to that of other musculoskeletal lower back pain. It involves analgesia, physiotherapy, and exercises. According to NICE, the first-line treatment for back pain without sciatica symptoms is NSAIDs +/- proton pump inhibitors, rather than neuropathic analgesia. If the symptoms persist after 4-6 weeks, referral for consideration of MRI is appropriate. Understanding the features of prolapsed disc can help in the diagnosis and management of this condition.

    • This question is part of the following fields:

      • Musculoskeletal
      10
      Seconds
  • Question 20 - Which one of the following statements regarding allergy testing is inaccurate? ...

    Correct

    • Which one of the following statements regarding allergy testing is inaccurate?

      Your Answer: Skin prick testing should be read after 48 hours

      Explanation:

      The results of skin prick testing can be interpreted after 15-20 minutes, while skin patch testing requires 48 hours after the patch is removed to be read.

      Types of Allergy Tests

      Allergy tests are used to determine if a person has an allergic reaction to a particular substance. There are several types of allergy tests available, each with its own advantages and limitations. The most commonly used test is the skin prick test, which is easy to perform and inexpensive. Drops of diluted allergen are placed on the skin, and a needle is used to pierce the skin. A wheal will typically develop if a patient has an allergy. This test is useful for food allergies and pollen.

      Another type of allergy test is the radioallergosorbent test (RAST), which determines the amount of IgE that reacts specifically with suspected or known allergens. Results are given in grades from 0 (negative) to 6 (strongly positive). This test is useful for food allergies, inhaled allergens (e.g. pollen), and wasp/bee venom.

      Skin patch testing is useful for contact dermatitis. Around 30-40 allergens are placed on the back, and irritants may also be tested for. The patches are removed 48 hours later, and the results are read by a dermatologist after a further 48 hours. Blood tests may be used when skin prick tests are not suitable, for example if there is extensive eczema or if the patient is taking antihistamines. Overall, allergy tests are an important tool in diagnosing and managing allergies.

    • This question is part of the following fields:

      • Immunology/Allergy
      11.4
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  • Question 21 - A 28-year-old woman visits her GP with concerns about a lump in her...

    Correct

    • A 28-year-old woman visits her GP with concerns about a lump in her breast that she discovered three weeks ago. The lump is causing discomfort when she wears a bra. During the examination, the doctor detects a 4 cm, non-tethered, and firm lump in the upper left quadrant of her right breast. The surface and contour are smooth, the skin is intact, and it does not transilluminate. The doctor refers her for a triple assessment, which confirms that she has a fibroadenoma. What is the next step in her treatment plan?

      Your Answer: Refer for surgical excision

      Explanation:

      The appropriate action for a patient presenting with a breast fibroadenoma larger than 3 cm is to refer them for surgical excision. Fibroadenomas are benign masses that develop from the whole lobule and are typically small, firm, and smooth, often referred to as breast mice. While they are usually treated conservatively, surgical excision is necessary if they cause discomfort, as in this case. Checking the mass again in three months, discharge and safety netting, prescribing oral antibiotics, and referring for aspiration are all incorrect management options for a fibroadenoma.

      Understanding Breast Fibroadenoma

      Breast fibroadenoma is a type of breast mass that develops from a whole lobule. It is characterized by a mobile, firm, and smooth lump in the breast, which is often referred to as a breast mouse. Fibroadenoma accounts for about 12% of all breast masses and is more common in women under the age of 30.

      Fortunately, fibroadenomas are usually benign and do not increase the risk of developing breast cancer. In fact, over a two-year period, up to 30% of fibroadenomas may even get smaller on their own. However, if the lump is larger than 3 cm, surgical excision is typically recommended.

      In summary, breast fibroadenoma is a common type of breast mass that is usually benign and does not increase the risk of breast cancer. While it may cause concern for some women, it is important to remember that most fibroadenomas do not require treatment and may even resolve on their own.

    • This question is part of the following fields:

      • Haematology/Oncology
      12.6
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  • Question 22 - A 68-year-old man who is a smoker presents with complaints about his left...

    Correct

    • A 68-year-old man who is a smoker presents with complaints about his left eye. Upon examination, it is found that he has a constricted left pupil with a ptosis and anhidrosis.
      What is the most probable diagnosis?

      Your Answer: Horner syndrome

      Explanation:

      Horner syndrome is a rare condition caused by a disruption of the sympathetic nerve supply to the eye. It is characterized by a triad of symptoms including a constricted pupil, partial drooping of the eyelid, and loss of sweating on one side of the face. Possible causes of Horner syndrome include brain-stem stroke or tumor, brachial plexus trauma, lung infections or tumors, carotid artery issues, and migraines. Multiple sclerosis is an autoimmune disease that attacks the central nervous system and can cause optic neuritis, but the symptoms described in the scenario do not match those of MS. Holmes-Adie syndrome is a neurological disorder characterized by a dilated pupil that reacts slowly to light, loss of deep tendon reflexes, and profuse sweating, which is not consistent with the scenario. Myasthenia gravis is an autoimmune disorder that causes muscle weakness, but it typically affects the facial muscles and extraocular muscles, not the pupil. Riley-Day syndrome is a disorder of the autonomic nervous system that affects infants and is characterized by the absence of overflow tears with emotional crying.

    • This question is part of the following fields:

      • Neurology
      6.7
      Seconds
  • Question 23 - A 58-year-old man was prescribed medication for shooting pains on the side of...

    Incorrect

    • A 58-year-old man was prescribed medication for shooting pains on the side of his face. He has been taking the medication without any issues for a few weeks but suddenly complains of a sore throat and bruising.
      Which of the following medications is the most probable cause of these symptoms?

      Your Answer: Phenytoin

      Correct Answer: Carbamazepine

      Explanation:

      Understanding Antiepileptic Drug Side Effects: A Case Study on Trigeminal Neuralgia

      Trigeminal neuralgia is a condition that can be treated with antiepileptic drugs, such as carbamazepine. However, these drugs can also have side effects, including blood disorders. In this case study, we explore the potential side effects of various antiepileptic drugs and how to manage them.

      Carbamazepine is a valid choice for treating trigeminal neuralgia, but it is commonly associated with blood disorders. Patients should be aware of the signs of these disorders and seek medical attention if symptoms develop. Leukopenia that is severe, progressive, or associated with clinical symptoms requires withdrawal.

      Lamotrigine, levetiracetam, phenytoin, and sodium valproate can also cause blood disorders, but they are not used in the treatment of trigeminal neuralgia. It is important to remember that carbamazepine is the first-line agent for this condition, and specialist advice should be sought if it is contraindicated, ineffective, or not tolerated.

      In addition to blood disorders, antiepileptic drugs can have a range of side effects, including parasthesia, weight gain, and skin rash. Patients should be informed of these potential side effects and monitored for any symptoms. By understanding the side effects of antiepileptic drugs, healthcare professionals can provide better care for patients with trigeminal neuralgia.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      15.5
      Seconds
  • Question 24 - A 26-year-old man presents to the eye casualty department on his own accord....

    Correct

    • A 26-year-old man presents to the eye casualty department on his own accord. He mentions that he rarely visits doctors but decided to seek medical attention for his current issue. The patient has a medical history of ulcerative colitis.
      Upon initial examination, the doctor notes inflammation in either the episclera or the sclera and proceeds to perform a slit lamp examination.
      What is the classic distinguishing feature between the two diagnoses based on the history and examination?

      Your Answer: Pain

      Explanation:

      Distinguishing between scleritis and episcleritis cannot be based solely on the redness of the eyes, as both conditions result in visible redness.

      Rheumatoid Arthritis and Its Effects on the Eyes

      Rheumatoid arthritis is a chronic autoimmune disease that affects various parts of the body, including the eyes. In fact, ocular manifestations of rheumatoid arthritis are quite common, with approximately 25% of patients experiencing eye problems. These eye problems can range from mild to severe and can significantly impact a patient’s quality of life.

      The most common ocular manifestation of rheumatoid arthritis is keratoconjunctivitis sicca, also known as dry eye syndrome. This condition occurs when the eyes do not produce enough tears, leading to discomfort, redness, and irritation. Other ocular manifestations of rheumatoid arthritis include episcleritis, scleritis, corneal ulceration, and keratitis. Episcleritis and scleritis both cause redness in the eyes, with scleritis also causing pain. Corneal ulceration and keratitis both affect the cornea, with corneal ulceration being a more severe condition that can lead to vision loss.

      In addition to these conditions, patients with rheumatoid arthritis may also experience iatrogenic ocular manifestations. These are side effects of medications used to treat the disease. For example, steroid use can lead to cataracts, while the use of chloroquine can cause retinopathy.

      Overall, it is important for patients with rheumatoid arthritis to be aware of the potential ocular manifestations of the disease and to seek prompt medical attention if they experience any eye-related symptoms. Early diagnosis and treatment can help prevent vision loss and improve overall quality of life.

    • This question is part of the following fields:

      • Ophthalmology
      6.8
      Seconds
  • Question 25 - A 25-year-old G2P1 woman presents to her midwife at 12 weeks gestation. She...

    Incorrect

    • A 25-year-old G2P1 woman presents to her midwife at 12 weeks gestation. She has a history of well-controlled type 1 diabetes mellitus and a family history of pre-eclampsia. Her urine dipstick and blood pressure are both normal. Based on this information, what advice should be given regarding her risk of developing pre-eclampsia?

      Your Answer: She should take aspirin from 12 weeks gestation until 20 weeks gestation

      Correct Answer: She should take aspirin from 12 weeks gestation until delivery

      Explanation:

      A woman with a moderate or high risk of pre-eclampsia, such as this patient who has a family history of pre-eclampsia and type 1 diabetes mellitus, should take aspirin 75-150mg daily from 12 weeks gestation until delivery to reduce the risk of developing pre-eclampsia.

      Pre-eclampsia is a condition that occurs during pregnancy and is characterized by high blood pressure, proteinuria, and edema. It can lead to complications such as eclampsia, neurological issues, fetal growth problems, liver involvement, and cardiac failure. Severe pre-eclampsia is marked by hypertension, proteinuria, headache, visual disturbances, and other symptoms. Risk factors for pre-eclampsia include hypertension in a previous pregnancy, chronic kidney disease, autoimmune disease, diabetes, chronic hypertension, first pregnancy, and age over 40. Aspirin may be recommended for women with high or moderate risk factors. Treatment involves emergency assessment, admission for observation, and medication such as labetalol, nifedipine, or hydralazine. Delivery of the baby is the most important step in management, with timing depending on the individual case.

    • This question is part of the following fields:

      • Reproductive Medicine
      8.7
      Seconds
  • Question 26 - A 28-year-old woman visits her GP complaining of a red left eye. She...

    Incorrect

    • A 28-year-old woman visits her GP complaining of a red left eye. She experiences a gritty sensation and feels the need to blink frequently to clear her vision. There is no pain or photophobia, and her pupil size is normal. She reports a significant amount of discharge from the affected eye and recently had a cold. What is the probable diagnosis?

      Your Answer: Blepharitis

      Correct Answer: Conjunctivitis

      Explanation:

      Conjunctivitis is a common condition that can be identified by symptoms such as redness in the eye, a gritty sensation, swollen conjunctivae, and discharge that crusts the eyelashes. However, if a patient presents with severe eye pain, photophobia, a small or abnormal shaped pupil, or blurred vision, it may indicate iritis and require urgent referral to an ophthalmologist. Similarly, acute glaucoma can cause severe eye pain, halos, blurred vision, nausea, and vomiting, while keratitis can cause a painful, red eye with tearing, discharge, and decreased vision, particularly in contact lens wearers.

      Conjunctivitis is a common eye problem that is often seen in primary care. It is characterized by red, sore eyes with a sticky discharge. There are two types of infective conjunctivitis: bacterial and viral. Bacterial conjunctivitis is identified by a purulent discharge and eyes that may be stuck together in the morning. On the other hand, viral conjunctivitis is characterized by a serous discharge and recent upper respiratory tract infection, as well as preauricular lymph nodes.

      In most cases, infective conjunctivitis is a self-limiting condition that resolves without treatment within one to two weeks. However, topical antibiotic therapy is often offered to patients, such as Chloramphenicol drops given every two to three hours initially or Chloramphenicol ointment given four times a day initially. Alternatively, topical fusidic acid can be used, especially for pregnant women, and treatment is twice daily.

      For contact lens users, topical fluoresceins should be used to identify any corneal staining, and treatment should be the same as above. During an episode of conjunctivitis, contact lenses should not be worn, and patients should be advised not to share towels. School exclusion is not necessary.

    • This question is part of the following fields:

      • Ophthalmology
      9.3
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  • Question 27 - When is the infant blood spot screening test typically performed in the United...

    Correct

    • When is the infant blood spot screening test typically performed in the United Kingdom?

      Your Answer: Between fifth and ninth day of life

      Explanation:

      Neonatal Blood Spot Screening: Identifying Potential Health Risks in Newborns

      Neonatal blood spot screening, also known as the Guthrie test or heel-prick test, is a routine procedure performed on newborns between 5-9 days of life. The test involves collecting a small sample of blood from the baby’s heel and analyzing it for potential health risks. Currently, there are nine conditions that are screened for, including congenital hypothyroidism, cystic fibrosis, sickle cell disease, phenylketonuria, medium chain acyl-CoA dehydrogenase deficiency (MCADD), maple syrup urine disease (MSUD), isovaleric acidaemia (IVA), glutaric aciduria type 1 (GA1), and homocystinuria (pyridoxine unresponsive) (HCU).

    • This question is part of the following fields:

      • Paediatrics
      2.7
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  • Question 28 - A 6-year-old girl is brought to the clinic by her mother due to...

    Correct

    • A 6-year-old girl is brought to the clinic by her mother due to complaints of itching around her vulva and anus for the past 3 days. Upon examination, the area appears red and the skin on her vulva is broken from excessive scratching. Her mother has been applying sudocrem but it has not provided relief. There are no other individuals at home with similar symptoms. Based on the probable diagnosis, what is the most suitable course of action?

      Your Answer: Prescribe a single dose of mebendazole for the household and give hygiene advice

      Explanation:

      The recommended first line treatment for threadworm is mebendazole. In this case, as the patient is showing symptoms of threadworm, it is important to treat all members of the household with a single dose of mebendazole and provide hygiene advice. While a ‘Scotch tape test’ can be used to confirm the presence of eggs or worms, treatment is often based on symptoms. It is not appropriate to only treat the daughter and provide hygiene advice, as other members of the household may also be infected. Additionally, prescribing 7 days of mebendazole for the daughter alone is incorrect, as a single dose is recommended and a second dose should be taken 14 days later. Piperazine is only recommended for children under 2 years old, so it is not appropriate to prescribe 14 days of piperazine for the daughter in this case.

      Threadworm Infestation in Children

      Threadworm infestation, caused by Enterobius vermicularis or pinworms, is a common occurrence among children in the UK. The infestation happens when eggs present in the environment are ingested. In most cases, threadworm infestation is asymptomatic, but some possible symptoms include perianal itching, especially at night, and vulval symptoms in girls. Diagnosis can be made by applying Sellotape to the perianal area and sending it to the laboratory for microscopy to see the eggs. However, most patients are treated empirically, and this approach is supported in the CKS guidelines.

      The CKS recommends a combination of anthelmintic with hygiene measures for all members of the household. Mebendazole is the first-line treatment for children over six months old, and a single dose is given unless the infestation persists. It is essential to treat all members of the household to prevent re-infection. Proper hygiene measures, such as washing hands regularly, keeping fingernails short, and washing clothes and bedding at high temperatures, can also help prevent the spread of threadworm infestation.

    • This question is part of the following fields:

      • Paediatrics
      5.7
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  • Question 29 - A 42-year-old woman has been asked to come back for a follow-up cervical...

    Incorrect

    • A 42-year-old woman has been asked to come back for a follow-up cervical smear by her GP. She had her routine cervical smear done a year ago which revealed the presence of high-risk HPV but no abnormal cytology. Her follow-up cervical smear still shows positive for high-risk HPV with no cytological abnormalities.

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

      Your Answer: Refer for colposcopy

      Correct Answer: Repeat cervical smear in 12 months

      Explanation:

      If the 1st repeat smear at 12 months is still positive for high-risk strains of human papillomavirus (hrHPV), the correct course of action is to repeat the smear 12 months later (i.e. at 24 months). Colposcopy is not indicated in this case, as it would only be necessary if this was her 3rd successive annual cervical smear that is still positive for hrHPV but with no cytological abnormalities. Repeating the cervical smear after 3 months is also not necessary, as this is only indicated if the first smear is inadequate. Similarly, repeating the cervical smear in 3 years is not appropriate, as hrHPV has been detected. Repeating the cervical smear after 6 months is also not necessary, as this is usually done as a test of cure following treatment for cervical intraepithelial neoplasia.

      The cervical cancer screening program has evolved to include HPV testing, which allows for further risk stratification. A negative hrHPV result means a return to normal recall, while a positive result requires cytological examination. Abnormal cytology results lead to colposcopy, while normal cytology results require a repeat test at 12 months. Inadequate samples require a repeat within 3 months, and two consecutive inadequate samples lead to colposcopy. Treatment for CIN typically involves LLETZ or cryotherapy. Individuals who have been treated for CIN should be invited for a test of cure repeat cervical sample 6 months after treatment.

    • This question is part of the following fields:

      • Reproductive Medicine
      11.8
      Seconds
  • Question 30 - What is the most commonly associated factor with the use of combined oral...

    Incorrect

    • What is the most commonly associated factor with the use of combined oral contraceptive pills among women in their reproductive years?

      Your Answer: Increased dysmenorrhoea

      Correct Answer: Increased risk of cervical cancer

      Explanation:

      The combined oral contraceptive pill is associated with a higher likelihood of developing breast and cervical cancer, but it can also provide protection against ovarian and endometrial cancer.

      Pros and Cons of the Combined Oral Contraceptive Pill

      The combined oral contraceptive pill is a highly effective method of birth control with a failure rate of less than 1 per 100 woman years. It does not interfere with sexual activity and its contraceptive effects are reversible upon stopping. Additionally, it can make periods regular, lighter, and less painful, and may reduce the risk of ovarian, endometrial, and colorectal cancer. It may also protect against pelvic inflammatory disease, ovarian cysts, benign breast disease, and acne vulgaris.

      However, there are also some disadvantages to the combined oral contraceptive pill. One of the main issues is that people may forget to take it, which can reduce its effectiveness. It also offers no protection against sexually transmitted infections. There is an increased risk of venous thromboembolic disease, breast and cervical cancer, stroke, and ischaemic heart disease, especially in smokers. Temporary side-effects such as headache, nausea, and breast tenderness may also be experienced.

      It is important to weigh the pros and cons of the combined oral contraceptive pill before deciding if it is the right method of birth control for you. While some users report weight gain while taking the pill, a Cochrane review did not support a causal relationship. Overall, the combined oral contraceptive pill can be an effective and convenient method of birth control, but it is important to discuss any concerns or potential risks with a healthcare provider.

    • This question is part of the following fields:

      • Reproductive Medicine
      13.9
      Seconds
  • Question 31 - A 32-year-old man has had > 15 very short relationships in the past...

    Incorrect

    • A 32-year-old man has had > 15 very short relationships in the past year, all of which he thought were the love of his life. He is prone to impulsive behaviour such as excessive spending and binge drinking, and he has experimented with drugs. He also engages in self-harm.
      Which of the following personality disorders most accurately describes him?

      Your Answer: Schizoid personality disorder

      Correct Answer: Borderline personality disorder

      Explanation:

      Understanding Personality Disorders: Clusters and Traits

      Personality disorders can be categorized into three main clusters based on their characteristics. Cluster A includes odd or eccentric personalities such as schizoid and paranoid personality disorder. Schizoid individuals tend to be emotionally detached and struggle with forming close relationships, while paranoid individuals are suspicious and distrustful of others.

      Cluster B includes dramatic, erratic, or emotional personalities such as borderline and histrionic personality disorder. Borderline individuals often have intense and unstable relationships, exhibit impulsive behavior, and may have a history of self-harm or suicide attempts. Histrionic individuals are attention-seeking, manipulative, and tend to be overly dramatic.

      Cluster C includes anxious personalities such as obsessive-compulsive personality disorder. These individuals tend to be perfectionists, controlling, and overly cautious.

      Understanding the different clusters and traits associated with personality disorders can help individuals recognize and seek appropriate treatment for themselves or loved ones.

    • This question is part of the following fields:

      • Psychiatry
      4.5
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  • Question 32 - A 65-year-old man with a history of Parkinson's disease comes to the clinic...

    Correct

    • A 65-year-old man with a history of Parkinson's disease comes to the clinic complaining of an itchy, red rash on his neck, behind his ears, and around the nasolabial folds. He experienced a similar outbreak last year but did not seek medical attention. What is the probable diagnosis?

      Your Answer: Seborrhoeic dermatitis

      Explanation:

      Patients with Parkinson’s disease are more likely to experience seborrhoeic dermatitis.

      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
      4.6
      Seconds
  • Question 33 - A 63-year-old man presents with a complaint of neck and arm pain that...

    Correct

    • A 63-year-old man presents with a complaint of neck and arm pain that has been ongoing for four months. He describes the pain as similar to 'electric shocks' and notes that it worsens when he turns his head. There is no history of trauma or any other apparent cause. The patient is in good health and not taking any medications. During the examination, it is noted that he has reduced sensation on the back of his thumb and middle finger. What is the probable underlying diagnosis?

      Your Answer: C6 radiculopathy

      Explanation:

      Understanding Dermatomes: Major Landmarks and Mnemonics

      Dermatomes are areas of skin that are innervated by a single spinal nerve. Understanding dermatomes is important in diagnosing and treating various neurological conditions. The major dermatome landmarks are listed with helpful mnemonics to remember them.

      Starting from the top of the body, the C2 dermatome covers the posterior half of the skull, resembling a cap. Moving down to C3, it covers the area of a high turtleneck shirt. C4 covers the area of a low-collar shirt. The C5 dermatome runs along the ventral axial line of the upper limb, while C6 covers the thumb and index finger. To remember this, make a 6 with your left hand by touching the tip of the thumb and index finger together.

      Moving down to C7, it covers the middle finger and palm of the hand. C8 covers the ring and little finger. The T4 dermatome covers the area of the nipples, while T5 covers the inframammary fold. T6 covers the xiphoid process, and T10 covers the umbilicus. To remember this, think of BellybuT-TEN.

      The L1 dermatome covers the inguinal ligament, which can be remembered by thinking of L for ligament, 1 for 1nguinal. L4 covers the knee caps, and to remember this, think of being down on all fours. L5 covers the big toe and dorsum of the foot (except the lateral aspect), and can be remembered by thinking of it as the largest of the five toes. Finally, the S1 dermatome covers the lateral foot and small toe, while S2 and S3 cover the genitalia.

      Understanding dermatomes and their landmarks can aid in diagnosing and treating various neurological conditions. The mnemonics provided can help in remembering these important landmarks.

    • This question is part of the following fields:

      • Neurology
      19
      Seconds
  • Question 34 - A 58-year-old man contacts his General Practitioner to request a repeat prescription of...

    Incorrect

    • A 58-year-old man contacts his General Practitioner to request a repeat prescription of xylometazoline hydrochloride nasal spray. He has been using this for the past four weeks to 'clear up his sinuses.'
      What is the most likely side effect this patient will develop based on his current management?

      Your Answer: Septal perforation

      Correct Answer: Rebound nasal congestion

      Explanation:

      Understanding the Side Effects of Long-Term Nasal Decongestant Use

      Nasal decongestants are a common treatment for nasal congestion, but long-term use can lead to adverse effects. One of the most significant risks is rebound nasal congestion, which can encourage further use and hypertrophy of the nasal mucosa. It is recommended to use nasal decongestants for a maximum of seven days to avoid this risk. Other adverse effects of long-term use include nasal burning, irritation, and dryness, but chronic rhinitis is not a recognized side effect. While cardiovascular effects like tachycardia and hypertension are possible, they are more common with oral decongestants. Septal perforation is a rare side effect of intranasal corticosteroids, not nasal decongestants. It is essential to understand the potential risks of long-term nasal decongestant use and to use them only as directed.

    • This question is part of the following fields:

      • ENT
      13.3
      Seconds
  • Question 35 - As a GPST on a psychiatry placement, you encounter a 75-year-old patient who...

    Correct

    • As a GPST on a psychiatry placement, you encounter a 75-year-old patient who has been brought in by the police under Section 136. The patient is displaying confusion and aggression towards the nursing team, making it difficult to provide care. Despite attempts to offer oral medication, the patient has refused all treatment and has also declined an ECG. What is the most appropriate medication to administer in order to quickly calm this patient?

      Your Answer: Lorazepam

      Explanation:

      When it comes to quickly calming down patients who are exhibiting disruptive behavior, oral lorazepam is typically the first choice. According to NICE guidelines, either intramuscular lorazepam or a combination of intramuscular haloperidol and intramuscular promethazine should be used for rapid tranquilization in patients with acute behavioral disturbances. However, lorazepam is recommended for patients who have not previously taken antipsychotic medication and for those whose heart health is uncertain.

      Understanding Psychosis

      Psychosis is a term used to describe a person’s experience of perceiving things differently from those around them. This can manifest in various ways, including hallucinations, delusions, thought disorganization, alogia, tangentiality, clanging, and word salad. Associated features may include agitation/aggression, neurocognitive impairment, depression, and thoughts of self-harm. Psychotic symptoms can occur in a range of conditions, such as schizophrenia, depression, bipolar disorder, puerperal psychosis, brief psychotic disorder, neurological conditions, and drug use. The peak age of first-episode psychosis is around 15-30 years.

    • This question is part of the following fields:

      • Psychiatry
      19.4
      Seconds
  • Question 36 - Assuming that all of the patients have COPD, which one of the following...

    Incorrect

    • Assuming that all of the patients have COPD, which one of the following is eligible for long-term oxygen therapy (LTOT)?

      Your Answer: Non-smoker with a PaO2 of 7.6kPa and diabetes mellitus

      Correct Answer: Non-smoker with PaO2 of 7.8kPa with secondary polycythaemia

      Explanation:

      Assessing the Need for Oxygen Therapy in Patients with Respiratory Conditions

      When assessing the need for oxygen therapy in patients with respiratory conditions, it is important to consider various factors. For instance, NICE recommends LTOT for patients with a PaO2 between 7.3 and 8.0 kPa when stable, if they have comorbidities such as secondary polycythaemia, peripheral oedema, or pulmonary hypertension. Additionally, patients with very severe or severe airflow obstruction, cyanosis, raised jugular venous pressure, and oxygen saturations ≤92% when breathing air should also be assessed for oxygen therapy.

      However, it is important to note that a non-smoker with a PaO2 of 8.2 kPa with pulmonary hypertension does not meet the criteria for oxygen therapy, while a non-smoker with FEV1 56% or a non-smoker with a PaO2 of 7.6 kPa and diabetes mellitus also do not meet the criteria for LTOT. On the other hand, a smoker with a PaO2 of 7.3 kPa may be considered for oxygen therapy, but it is important to ensure that the result has been checked twice and to warn the patient about the risks of smoking while on oxygen therapy.

    • This question is part of the following fields:

      • Respiratory Medicine
      15.2
      Seconds
  • Question 37 - A 64-year-old woman presents to the clinic after undergoing a lumpectomy for a...

    Correct

    • A 64-year-old woman presents to the clinic after undergoing a lumpectomy for a cancerous lump in her left breast. The histopathology report indicates that the tissue was oestrogen receptor-positive, and the patient is offered anastrozole therapy as adjuvant treatment. She has no significant medical history and is not currently taking any medications. The patient is eager to begin the recommended adjuvant therapy. What diagnostic tests should be conducted before initiating treatment?

      Your Answer: DEXA scan

      Explanation:

      Anastrozole, an aromatase inhibitor, is a recommended adjuvant therapy for patients with oestrogen positive cancer (ER+). However, it may lead to osteoporosis as an adverse effect. Therefore, NICE recommends performing a DEXA scan before initiating therapy. A clotting screen is not necessary before starting anastrozole, as it does not cause coagulopathies. ECGs are not required either, as cardiac changes and arrhythmias are not associated with this medication. Unlike certain medications like statins, anastrozole is not known to commonly affect lipid profiles, so it does not need to be monitored. Liver function tests are also not routinely assessed before starting anastrozole, as it is not known to affect liver function. However, it would have been appropriate to send a clotting screen before the patient’s lumpectomy.

      Anti-oestrogen drugs are used in the management of oestrogen receptor-positive breast cancer. Selective oEstrogen Receptor Modulators (SERM) such as Tamoxifen act as an oestrogen receptor antagonist and partial agonist. However, Tamoxifen can cause adverse effects such as menstrual disturbance, hot flushes, venous thromboembolism, and endometrial cancer. On the other hand, aromatase inhibitors like Anastrozole and Letrozole reduce peripheral oestrogen synthesis, which is important in postmenopausal women. Anastrozole is used for ER +ve breast cancer in this group. However, aromatase inhibitors can cause adverse effects such as osteoporosis, hot flushes, arthralgia, myalgia, and insomnia. NICE recommends a DEXA scan when initiating a patient on aromatase inhibitors for breast cancer.

    • This question is part of the following fields:

      • Haematology/Oncology
      11.5
      Seconds
  • Question 38 - A 68-year-old woman comes to the emergency department complaining of fatigue and difficulty...

    Correct

    • A 68-year-old woman comes to the emergency department complaining of fatigue and difficulty breathing for the past 2 days. She has a medical history of hypertension, a heart attack 3 years ago, heart failure, and a recent chest infection that was successfully treated with antibiotics. During the examination, the patient has bibasal crepitations and an elevated JVP. Her temperature is 37ºC, oxygen saturation is 95% on air, heart rate is 95 beats per minute, respiratory rate is 26 breaths per minute, and blood pressure is 129/86 mmHg.

      What is the most appropriate course of treatment?

      Your Answer: IV furosemide

      Explanation:

      The recommended treatment for acute pulmonary oedema in this patient is IV loop diuretic, specifically furosemide. This is because the patient is experiencing acute decompensated heart failure, which causes pulmonary oedema. IV loop diuretic has a prompt diuretic effect, reducing ventricular filling pressures and improving symptoms within 30 minutes.

      IV dobutamine is not necessary for this patient as they are not in shock and dobutamine is typically reserved for patients with severe left ventricular dysfunction who have potentially reversible cardiogenic shock.

      IV morphine is not recommended for acute heart failure as it may increase morbidity in patients with acute pulmonary oedema.

      Oral furosemide is not the preferred route of administration for this patient as IV furosemide has a faster onset of diuresis.

      Heart failure requires acute management, with recommended treatments for all patients including IV loop diuretics such as furosemide or bumetanide. Oxygen may also be necessary, with guidelines suggesting oxygen saturations be kept at 94-98%. Vasodilators such as nitrates should not be routinely given to all patients, but may have a role in cases of concomitant myocardial ischaemia, severe hypertension, or regurgitant aortic or mitral valve disease. However, hypotension is a major side-effect/contraindication. Patients with respiratory failure may require CPAP, while those with hypotension or cardiogenic shock may require inotropic agents like dobutamine or vasopressor agents like norepinephrine. Mechanical circulatory assistance such as intra-aortic balloon counterpulsation or ventricular assist devices may also be necessary. Regular medication for heart failure should be continued, with beta-blockers only stopped in certain circumstances. Opiates should not be routinely offered to patients with acute heart failure due to potential increased morbidity.

      In summary, acute management of heart failure involves a range of treatments depending on the patient’s specific condition. It is important to carefully consider the potential side-effects and contraindications of each treatment, and to continue regular medication for heart failure where appropriate. Opiates should be used with caution, and only in cases where they are likely to reduce dyspnoea/distress without causing harm. With appropriate management, patients with acute heart failure can receive the care they need to improve their outcomes and quality of life.

    • This question is part of the following fields:

      • Respiratory Medicine
      17.7
      Seconds
  • Question 39 - A 55-year-old man visits the clinic with concerns about his worsening haemorrhoids. He...

    Incorrect

    • A 55-year-old man visits the clinic with concerns about his worsening haemorrhoids. He reports having to manually push them back in after bowel movements.
      Which class of haemorrhoids is most likely present?

      Your Answer: Grade IV

      Correct Answer: Grade III

      Explanation:

      Understanding the Grading System for Hemorrhoids

      Hemorrhoids are a common condition that affects many people. To help diagnose and treat this condition, clinicians use a grading system to classify the severity of the hemorrhoids. The grading system proposed by Banov et al. in 1985 is the most commonly used system.

      Grade I hemorrhoids are the mildest form and only project into the anal canal. They often bleed but do not prolapse. Grade II hemorrhoids may protrude beyond the anal verge with straining or defecating, but reduce spontaneously when straining ceases. Grade III hemorrhoids protrude spontaneously or with straining and require manual reduction. Grade IV hemorrhoids are the most severe and chronically prolapse. They cannot be reduced and may present with acute thrombosis or strangulation. These lesions usually contain both internal and external components.

      The grading system helps clinicians correlate symptoms with therapeutic approaches. For example, grade I and II hemorrhoids may be treated with conservative measures such as dietary changes and topical medications. Grade III and IV hemorrhoids may require more invasive treatments such as rubber band ligation or surgery.

      In conclusion, understanding the grading system for hemorrhoids is important for both patients and clinicians. It helps guide treatment decisions and ensures the best possible outcome for those affected by this condition.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      10.7
      Seconds
  • Question 40 - A 52-year-old man on several medications develops bruising. Blood tests reveal thrombocytopenia.
    Which medication...

    Incorrect

    • A 52-year-old man on several medications develops bruising. Blood tests reveal thrombocytopenia.
      Which medication is the most probable cause of this?

      Your Answer: Bisoprolol

      Correct Answer: Ibuprofen

      Explanation:

      Medications and their potential to cause thrombocytopenia

      Thrombocytopenia is a condition where there is a low platelet count in the blood, which can lead to bleeding and bruising. Some medications have been known to cause immune-mediated, drug-induced thrombocytopenia. Ibuprofen, a non-steroidal anti-inflammatory drug (NSAID), is one such medication. It interacts with platelet membrane glycoprotein, resulting in the formation of drug-glycoprotein complexes that can trigger the production of antibodies. The mechanism behind this is not entirely clear. Paracetamol and bisoprolol have a low likelihood of causing thrombocytopenia, making them safer alternatives. Simvastatin also has a low risk of causing thrombocytopenia. Warfarin, on the other hand, has a potential side effect of bleeding but is not directly linked to causing thrombocytopenia. It is important to be aware of the potential risks associated with medications and to consult with a healthcare professional before taking any new medication.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      11.9
      Seconds
  • Question 41 - A 72-year-old man comes in for a check-up. He has just been diagnosed...

    Correct

    • A 72-year-old man comes in for a check-up. He has just been diagnosed with dry age-related macular degeneration. What is the most efficient way to slow down the advancement of this condition?

      Your Answer: Stop smoking

      Explanation:

      Smoking has been identified as a risk factor for macular degeneration, while consuming a well-balanced diet rich in fresh fruits and vegetables may help to slow down its progression. Ongoing studies are exploring the potential benefits of additional antioxidants in this regard.

      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
      3.8
      Seconds
  • Question 42 - A woman contacts the local psychiatry crisis team, worried about her daughter -...

    Correct

    • A woman contacts the local psychiatry crisis team, worried about her daughter - who has previously been diagnosed with schizophrenia - becoming more isolated and paranoid about her surroundings. She reports that her daughter is increasingly concerned about her neighbors eavesdropping on her conversations. Her symptoms were previously well managed on daily risperidone. When the woman visited her daughter, she discovered unopened boxes of her medication on the counter.

      What would be a suitable course of treatment for this patient?

      Your Answer: Depot risperidone injections

      Explanation:

      Considering the patient’s increasing symptoms of psychosis, it is possible that non-compliance with their risperidone medication is an issue. In such cases, it is recommended to consider once monthly IM antipsychotic depot injections for patients with poor oral compliance. However, the patient’s risperidone dose would need to be re-titrated to their previous level.

      Clozapine is typically used for treatment-resistant psychosis after trying two other antipsychotics. However, there is no evidence of the patient having tried multiple antipsychotics, and it appears that risperidone was effectively controlling their symptoms. If risperidone is not effective, quetiapine could be tried before considering Clozapine, provided there are no contraindications.

      While cognitive behavioural therapy (CBT) can be helpful in reducing symptoms of psychosis, it is less likely to be effective than monthly depot injections.

      Based on the patient’s history, there is no indication that they pose a risk to themselves or others that would warrant admission. Therefore, efforts should be made to manage the patient in the community.

      Atypical antipsychotics are now recommended as the first-line treatment for patients with schizophrenia, as per the 2005 NICE guidelines. These medications have the advantage of significantly reducing extrapyramidal side-effects. However, they can also cause adverse effects such as weight gain, hyperprolactinaemia, and in the case of clozapine, agranulocytosis. The Medicines and Healthcare products Regulatory Agency has issued warnings about the increased risk of stroke and venous thromboembolism when antipsychotics are used in elderly patients. Examples of atypical antipsychotics include clozapine, olanzapine, risperidone, quetiapine, amisulpride, and aripiprazole.

      Clozapine, one of the first atypical antipsychotics, carries a significant risk of agranulocytosis and requires full blood count monitoring during treatment. Therefore, it should only be used in patients who are resistant to other antipsychotic medication. The BNF recommends introducing clozapine if schizophrenia is not controlled despite the sequential use of two or more antipsychotic drugs, one of which should be a second-generation antipsychotic drug, each for at least 6-8 weeks. Adverse effects of clozapine include agranulocytosis, neutropaenia, reduced seizure threshold, constipation, myocarditis, and hypersalivation. Dose adjustment of clozapine may be necessary if smoking is started or stopped during treatment.

    • This question is part of the following fields:

      • Psychiatry
      5.2
      Seconds
  • Question 43 - A 55-year-old man visits his General Practitioner (GP) complaining of tingling in both...

    Correct

    • A 55-year-old man visits his General Practitioner (GP) complaining of tingling in both hands that began a month ago and has progressively worsened. He has no significant medical history. During the examination, you observe that the man has large hands, widely spaced teeth, and a prominent brow. You suspect that he may have acromegaly. What is the most suitable initial investigation for acromegaly?

      Your Answer: Serum IGF1 levels

      Explanation:

      Investigations for Acromegaly: Serum IGF1 Levels, CT/MRI Head, and Visual Field Testing

      Acromegaly is a condition caused by excess growth hormone (GH) production, often from a pituitary macroadenoma. To diagnose acromegaly, insulin-like growth factor 1 (IGF1) levels are measured instead of GH levels, as IGF1 has a longer half-life and is more stable in the blood. If IGF1 levels are high, a glucose tolerance test is used to confirm the diagnosis. CT scans of the head are not as sensitive as MRI scans for detecting pituitary tumors, which are often the cause of acromegaly. Visual field testing is also important to determine if a pituitary tumor is compressing the optic chiasm, but it is not a specific investigation for acromegaly.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      12
      Seconds
  • Question 44 - A 25-year-old woman visits her doctor complaining of diarrhoea and vomiting after spending...

    Correct

    • A 25-year-old woman visits her doctor complaining of diarrhoea and vomiting after spending Christmas with her family. Her sister has just informed her that she too is experiencing the same symptoms. The doctor suspects norovirus. What is the best way to prevent the spread of this virus?

      Your Answer: Wash hands with soap and water

      Explanation:

      Handwashing is more effective than alcohol gels in preventing the spread of norovirus.

      Norovirus, also known as the winter vomiting bug, is a common cause of gastroenteritis in the UK. It is a type of RNA virus that can cause symptoms such as nausea, vomiting, and diarrhea, as well as headaches, low-grade fevers, and myalgia. The virus is highly contagious and can be transmitted through the fecal-oral route, as well as through aerosolized particles from vomit or contaminated bodily fluids. Good hand hygiene and isolation of infected individuals are important measures to limit transmission. Diagnosis is typically made through clinical history and stool culture viral PCR. While the infection is self-limiting in most cases, dehydration and electrolyte imbalances can occur and require supportive management.

      Norovirus is a genus of non-encapsulated RNA virus species that can cause gastroenteritis. The CDC estimates that 1 in 5 cases of infectious gastroenteritis are caused by norovirus, with 685 million cases per year worldwide. Symptoms typically develop within 15-50 hours of infection and can include vomiting, diarrhea, headaches, low-grade fevers, and myalgia. The virus is highly contagious and can be transmitted through direct physical contact, contact with contaminated food, or through aerosolized particles from vomit or contaminated bodily fluids. Good hand hygiene and isolation of infected individuals are important measures to limit transmission. Diagnosis is typically made through clinical history and stool culture viral PCR. While the infection is self-limiting in most cases, dehydration and electrolyte imbalances can occur and require supportive management.

    • This question is part of the following fields:

      • Infectious Diseases
      3.6
      Seconds
  • Question 45 - A 35-year-old woman with a history of gallstones is scheduled for a laparoscopic...

    Correct

    • A 35-year-old woman with a history of gallstones is scheduled for a laparoscopic cholecystectomy in two months. She is currently taking Microgynon 30 (combined oral contraceptive pill) and is concerned about the increased risk of blood clots. What advice should be given to the patient in this scenario?

      Your Answer: She should stop Microgynon 28 days before the procedure

      Explanation:

      Venous thromboembolism (VTE) is a serious condition that can lead to severe health complications and even death. However, it is preventable. The National Institute for Health and Care Excellence (NICE) has updated its guidelines for 2018 to provide recommendations for the assessment and management of patients at risk of VTE in hospital. All patients admitted to the hospital should be assessed individually to identify risk factors for VTE development and bleeding risk. The department of health’s VTE risk assessment tool is recommended for medical and surgical patients. Patients with certain risk factors, such as reduced mobility, surgery, cancer, and comorbidities, are at increased risk of developing VTE. After assessing a patient’s VTE risk, healthcare professionals should compare it to their risk of bleeding to decide whether VTE prophylaxis should be offered. If indicated, VTE prophylaxis should be started as soon as possible.

      There are two types of VTE prophylaxis: mechanical and pharmacological. Mechanical prophylaxis includes anti-embolism stockings and intermittent pneumatic compression devices. Pharmacological prophylaxis includes fondaparinux sodium, low molecular weight heparin (LMWH), and unfractionated heparin (UFH). The choice of prophylaxis depends on the patient’s individual risk factors and bleeding risk.

      In general, medical patients deemed at risk of VTE after individual assessment are started on pharmacological VTE prophylaxis, provided that the risk of VTE outweighs the risk of bleeding and there are no contraindications. Surgical patients at low risk of VTE are treated with anti-embolism stockings, while those at high risk are treated with a combination of stockings and pharmacological prophylaxis.

      Patients undergoing certain surgical procedures, such as hip and knee replacements, are recommended to receive pharmacological VTE prophylaxis to reduce the risk of VTE developing post-surgery. For fragility fractures of the pelvis, hip, and proximal femur, LMWH or fondaparinux sodium is recommended for a month if the risk of VTE outweighs the risk of bleeding.

      Healthcare professionals should advise patients to stop taking their combined oral contraceptive pill or hormone replacement therapy four weeks before surgery and mobilize them as soon as possible after surgery. Patients should also ensure they are hydrated. By following these guidelines, healthcare professionals can help prevent VTE and improve patient outcomes.

    • This question is part of the following fields:

      • Reproductive Medicine
      4.3
      Seconds
  • Question 46 - A 63-year-old woman presents for follow-up. She completed a 6 month course of...

    Correct

    • A 63-year-old woman presents for follow-up. She completed a 6 month course of warfarin a year ago after being diagnosed with an unprovoked, proximal deep vein thrombosis. Over the past few weeks, she has been experiencing a sensation of heaviness and aching in the same leg, accompanied by itching and some swelling that subsides each night. Her medical history includes osteoarthritis and type 2 diabetes mellitus. On examination, there are prominent varicose veins on the affected leg, and the skin above the medial malleolus is discolored. The calves have no difference in circumference. Her vital signs are as follows: temperature 36.9ºC, pulse 78/min, and blood pressure 108/82 mmHg. What is the most probable diagnosis?

      Your Answer: Post-thrombotic syndrome

      Explanation:

      The symptoms of pruritus and pain that gradually worsen, along with the results of the examination, indicate a high likelihood of post-thrombotic syndrome.

      Post-Thrombotic Syndrome: A Complication of Deep Vein Thrombosis

      Post-thrombotic syndrome is a clinical syndrome that may develop following a deep vein thrombosis (DVT). It is caused by venous outflow obstruction and venous insufficiency, which leads to chronic venous hypertension. Patients with post-thrombotic syndrome may experience painful, heavy calves, pruritus, swelling, varicose veins, and venous ulceration.

      In the past, compression stockings were offered to patients with DVT to reduce the risk of post-thrombotic syndrome. However, current recommendations state that elastic graduated compression stockings should not be used to prevent post-thrombotic syndrome or VTE recurrence after a proximal DVT. This recommendation does not cover the use of elastic stockings for the management of leg symptoms after DVT.

      Once post-thrombotic syndrome has developed, compression stockings are a recommended treatment. Other recommendations include keeping the leg elevated. It is important for healthcare providers to recognize the potential complications of DVT and to provide appropriate management to prevent the development of post-thrombotic syndrome.

    • This question is part of the following fields:

      • Cardiovascular
      4.1
      Seconds
  • Question 47 - A 30-year-old woman attends a routine cervical smear test and is noted to...

    Correct

    • A 30-year-old woman attends a routine cervical smear test and is noted to have extensive scarring of her vulva. On further questioning, she reports several visits to the Sexual Health Clinic for recurrent episodes of painful vulval ulceration.
      She has had several attendances at the dentist and General Practitioner with recurrent painful mouth ulcers. She has been referred to a dermatologist to investigate a painful nodular rash which developed on her shins several weeks ago but has since resolved. She was recently discharged from the Eye Clinic following treatment for an acutely painful red eye.
      Which of the following is the most likely diagnosis?
      Select ONE option only.

      Your Answer: Behçet’s disease

      Explanation:

      Behçet’s disease is a rare autoimmune condition that causes painful recurrent mouth and genital ulcers leading to scarring. Diagnosis is often delayed due to the absence of a definitive diagnostic test. This patient has had a rash associated with Behçet’s disease and an episode of acute red eye, which may have been anterior uveitis, another symptom of the condition. Herpes simplex infection, Crohn’s disease, coeliac disease, and lichen planus are all conditions that can cause similar symptoms but can be ruled out based on the patient’s medical history and physical examination.

    • This question is part of the following fields:

      • Musculoskeletal
      15.8
      Seconds
  • Question 48 - A 28-year-old female presents to the GP office with a complaint of unusual...

    Incorrect

    • A 28-year-old female presents to the GP office with a complaint of unusual vaginal discharge. The discharge is described as frothy and green-yellow in color. She is sexually active and does not use any form of birth control. Her most recent sexual encounter was with a new partner two weeks ago. During speculum examination, a strawberry cervix is observed. She is in good health and not taking any medications. A pregnancy test came back negative. What is the recommended course of action for the most probable diagnosis?

      Your Answer: Oral doxycycline

      Correct Answer: Oral metronidazole

      Explanation:

      The recommended treatment for the patient’s likely diagnosis of trichomoniasis is oral metronidazole, either as a 7-day course of 200mg or a one-time dose of 2g. Intramuscular ceftriaxone, benzathine benzylpenicillin, and oral doxycycline are not indicated for the treatment of trichomoniasis. Oral azithromycin is also not effective for this condition.

      Understanding Trichomonas vaginalis and its Comparison to Bacterial Vaginosis

      Trichomonas vaginalis is a type of protozoan parasite that is highly motile and flagellated. It is known to cause trichomoniasis, which is a sexually transmitted infection. The infection is characterized by symptoms such as offensive, yellow/green, frothy vaginal discharge, vulvovaginitis, and strawberry cervix. The pH level is usually above 4.5, and in men, it may cause urethritis.

      To diagnose trichomoniasis, a wet mount microscopy is conducted to observe the motile trophozoites. The treatment for trichomoniasis involves oral metronidazole for 5-7 days, although a one-off dose of 2g metronidazole may also be used.

      When compared to bacterial vaginosis, trichomoniasis has distinct differences. Bacterial vaginosis is caused by an overgrowth of bacteria in the vagina, while trichomoniasis is caused by a protozoan parasite. The symptoms of bacterial vaginosis include a thin, grayish-white vaginal discharge with a fishy odor, and a pH level above 4.5. Unlike trichomoniasis, bacterial vaginosis is not considered a sexually transmitted infection.

      In conclusion, understanding the differences between trichomoniasis and bacterial vaginosis is crucial in diagnosing and treating these conditions effectively. Proper diagnosis and treatment can help prevent complications and improve overall health and well-being.

    • This question is part of the following fields:

      • Reproductive Medicine
      11
      Seconds
  • Question 49 - A 47-year-old man presents with recurrent, intense pain in his right flank area....

    Incorrect

    • A 47-year-old man presents with recurrent, intense pain in his right flank area. A urine dipstick reveals the presence of blood and a CT KUB confirms the presence of a 7mm stone in the right ureter. The patient is administered intramuscular diclofenac to alleviate the pain. What other type of medication could potentially be helpful in this situation?

      Your Answer: Benzodiazepine

      Correct Answer: Alpha-adrenergic blocker

      Explanation:

      Calcium channel blockers may be utilized to assist in the natural passage of the stone.

      The management of renal stones involves initial medication and investigations, including an NSAID for analgesia and a non-contrast CT KUB for imaging. Stones less than 5mm may pass spontaneously, but more intensive treatment is needed for ureteric obstruction or renal abnormalities. Treatment options include shockwave lithotripsy, ureteroscopy, and percutaneous nephrolithotomy. Prevention strategies include high fluid intake, low animal protein and salt diet, and medication such as thiazides diuretics for hypercalciuria and allopurinol for uric acid stones.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      8.1
      Seconds
  • Question 50 - A 72-year-old man is brought in by ambulance after being found on the...

    Correct

    • A 72-year-old man is brought in by ambulance after being found on the floor early in the morning. He states that he tripped and fell in the evening and could not get up or get help. The following U&Es were taken:

      Na+ 135 mmol/l
      K+ 5.7 mmol/l
      Creatinine 347 mmol/l
      Urea 9.8 mmol/l
      Creatine kinase 14,550 I/U

      What could be the possible reason for this clinical presentation?

      Your Answer: Rhabdomyolysis

      Explanation:

      If someone is stuck on the ground for an extended period after falling, they may develop rhabdomyolysis. This condition occurs when myoglobin, a toxic substance released from muscle tissue, damages the kidneys and causes acute kidney injury. Elevated levels of creatinine kinase and potassium are common indicators of rhabdomyolysis.

      Rhabdomyolysis is a condition that may be presented in an exam scenario where a patient has experienced a fall or prolonged epileptic seizure and is discovered to have an acute kidney injury upon admission. The condition is characterized by a disproportionately elevated creatinine level, elevated creatine kinase (CK), myoglobinuria, hypocalcaemia (as myoglobin binds calcium), elevated phosphate (released from myocytes), hyperkalaemia (which may develop before renal failure), and metabolic acidosis. The causes of rhabdomyolysis include seizure, collapse or coma (such as an elderly patient collapsing at home and being found eight hours later), ecstasy use, crush injury, McArdle’s syndrome, and certain drugs, such as statins (especially if co-prescribed with clarithromycin).

      The management of rhabdomyolysis involves administering intravenous fluids to maintain good urine output, and urinary alkalinization may be used in some cases. It is important to recognize the signs and symptoms of rhabdomyolysis early on to prevent further complications and ensure prompt treatment.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      4.9
      Seconds
  • Question 51 - A 30-year-old woman presents to surgery with a complaint of not having a...

    Correct

    • 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: 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
      43.4
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  • Question 52 - A 55-year-old rancher presents to the ER with his spouse. He is experiencing...

    Correct

    • A 55-year-old rancher presents to the ER with his spouse. He is experiencing a high fever and excessive sweating. During the examination, multiple black blisters are observed, which are producing a malodorous discharge. What is the typical microorganism linked to this ailment?

      Your Answer: Clostridium perfringens

      Explanation:

      Gas gangrene is a severe bacterial infection that can lead to muscle necrosis, sepsis, gas production, and ultimately, death. The infection can occur in two ways: through traumatic or surgical inoculation of a wound with bacteria, or spontaneously, which is often observed in immunocompromised patients. While there are multiple causes of gas gangrene, clostridium perfringens, a type of clostridia species, is frequently implicated. The condition typically begins with pain and progresses to systemic symptoms such as fever and dehydration. Skin changes, including blisters that can burst and produce a foul-smelling discharge, are also common. Movement may produce a crackling sound known as crepitus.

      Clostridia: Gram-Positive Anaerobic Bacilli

      Clostridia are a group of gram-positive, obligate anaerobic bacilli. There are several species of Clostridia, each with their own unique features and pathologies. C. perfringens produces α-toxin, a lecithinase, which can cause gas gangrene and haemolysis. Symptoms of gas gangrene include tender, oedematous skin with haemorrhagic blebs and bullae, and crepitus may be present on palpation. C. botulinum is typically found in canned foods and honey and can cause flaccid paralysis by preventing the release of acetylcholine. C. difficile is known for causing pseudomembranous colitis, which is often seen after the use of broad-spectrum antibiotics. This species produces both an exotoxin and a cytotoxin. Finally, C. tetani produces an exotoxin called tetanospasmin, which prevents the release of glycine from Renshaw cells in the spinal cord, leading to spastic paralysis.

    • This question is part of the following fields:

      • Infectious Diseases
      4.8
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  • Question 53 - A 42-year-old woman presents to the Emergency Department with dizziness and headache. On...

    Correct

    • A 42-year-old woman presents to the Emergency Department with dizziness and headache. On examination, her blood pressure is found to be 190/120 mmHg. She said that she had been diagnosed with hypertension on two previous occasions but discontinued drugs both times. She is a computer analyst and drinks 3–5 units of alcohol every day. Blood tests reveal:
      Investigation Result Normal Value
      Potassium (K+) 3.8 mmol/l 3.5–5.0 mmol/l
      Corrected calcium (Ca2+) 3.03 mmol/l 2.20-2.60 mmol/l
      Sodium (Na+) 140 mmol/l 135–145 mmol/l
      Albumin 38 g/l 35–55 g/l
      Magnesium (Mg2+) 0.60 mmol/l 0.75–1.00 mmol/l
      Which of the following is the most likely diagnosis?

      Your Answer: Sipple syndrome or MEN 2a

      Explanation:

      Possible Causes of Hypertension, Hypercalcemia, and Low Magnesium in a Patient

      One possible diagnosis for a patient with severe hypertension, hypercalcemia, and low magnesium is MEN 2a, also known as Sipple syndrome. This is because these symptoms can be explained by the presence of a phaeochromocytoma and hyperparathyroidism, which are both associated with MEN 2a.

      Conn syndrome, which is characterized by asymptomatic hypertension and hypokalemia, is not the most likely diagnosis in this case since the patient is normokalemic and has high calcium levels. Phaeochromocytoma could explain the hypertension, but not the hypercalcemia and low magnesium.

      MEN 1, also known as Wermer syndrome, is associated with hyperparathyroidism, pancreatic endocrine tumors, and pituitary tumors, but rarely with phaeochromocytoma. Wagenmann-Froboese syndrome, or MEN 2b, is associated with medullary thyroid carcinoma and phaeochromocytoma, but hyperparathyroidism is rarely present.

      Therefore, based on the patient’s symptoms, MEN 2a or Sipple syndrome is the most likely diagnosis.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      3.8
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  • Question 54 - A 28-year-old female patient complains of sudden hearing loss in her left ear,...

    Correct

    • A 28-year-old female patient complains of sudden hearing loss in her left ear, accompanied by dizziness and a sensation of pressure in the affected ear. What results would you anticipate from the Rinne and Weber tests?

      Your Answer: Weber: louder in the right ear: Rinne air conduction louder than bone in the left ear

      Explanation:

      To diagnose sensorineural hearing loss, Rinne and Weber tests can be used. In this type of hearing loss, air conduction will be louder than bone on Rinne test and Weber test will lateralise away from the affected ear. However, before making a diagnosis, it is important to correctly identify the symptoms. For example, sudden hearing loss accompanied by dizziness and pressure in the ear may indicate Meniere’s disease, which causes sensorineural hearing loss in the affected ear. If the symptoms suggest sensorineural hearing loss in the left ear, the results of the tests should show air conduction louder than bone on Rinne test and Weber test lateralising away from the left ear. If the results show different patterns, they may suggest conductive or mixed hearing loss in one or both ears.

      Rinne’s and Weber’s Test for Differentiating Conductive and Sensorineural Deafness

      Rinne’s and Weber’s tests are two diagnostic tools used to differentiate between conductive and sensorineural deafness. Rinne’s test involves placing a tuning fork over the mastoid process until the sound is no longer heard, then repositioning it just over the external acoustic meatus. A positive test indicates that air conduction (AC) is better than bone conduction (BC), while a negative test suggests conductive deafness if BC is greater than AC.

      On the other hand, Weber’s test involves placing a tuning fork in the middle of the forehead equidistant from the patient’s ears and asking which side is loudest. In unilateral sensorineural deafness, sound is localized to the unaffected side, while in unilateral conductive deafness, sound is localized to the affected side.

      To interpret the results of Rinne’s and Weber’s tests, a normal result indicates that AC is greater than BC bilaterally, and the sound is midline in Weber’s test. Conductive hearing loss is indicated by BC being greater than AC in the affected ear, while AC is greater than BC in the unaffected ear, and the sound lateralizes to the affected ear in Weber’s test. Sensorineural hearing loss is indicated by AC being greater than BC bilaterally, and the sound lateralizes to the unaffected ear in Weber’s test.

    • This question is part of the following fields:

      • ENT
      103
      Seconds
  • Question 55 - An 80-year-old man arrives at the Emergency Department after slipping on ice and...

    Correct

    • An 80-year-old man arrives at the Emergency Department after slipping on ice and falling backwards, hitting his head on the kerb and landing on his right arm. He did not lose consciousness and is currently feeling fine. The patient has a medical history of atrial fibrillation and is taking bisoprolol and warfarin. His INR was 2.2 four days ago. There are no visible injuries to his arm or scalp. What is the best course of action for his head injury?

      Your Answer: Arrange a CT head scan to be performed within 8 hours

      Explanation:

      NICE Guidelines for Investigating Head Injuries in Adults

      Head injuries can be serious and require prompt medical attention. The National Institute for Health and Care Excellence (NICE) has provided clear guidelines for healthcare professionals to determine which adult patients need further investigation with a CT head scan. Patients who require immediate CT head scans include those with a Glasgow Coma Scale (GCS) score of less than 13 on initial assessment, suspected open or depressed skull fractures, signs of basal skull fractures, post-traumatic seizures, focal neurological deficits, and more than one episode of vomiting.

      For patients with any loss of consciousness or amnesia since the injury, a CT head scan within 8 hours is recommended for those who are 65 years or older, have a history of bleeding or clotting disorders, experienced a dangerous mechanism of injury, or have more than 30 minutes of retrograde amnesia of events immediately before the head injury. Additionally, patients on warfarin who have sustained a head injury with no other indications for a CT head scan should also receive a scan within 8 hours of the injury.

      It is important for healthcare professionals to follow these guidelines to ensure that patients receive appropriate and timely care for their head injuries. By identifying those who require further investigation, healthcare professionals can provide the necessary treatment and support to prevent further complications and improve patient outcomes.

    • This question is part of the following fields:

      • Neurology
      19.1
      Seconds
  • Question 56 - Which of the following is true when considering an exacerbation of chronic bronchitis...

    Correct

    • Which of the following is true when considering an exacerbation of chronic bronchitis in patients with COPD?

      Your Answer: Moraxella catarrhalis is not commonly isolated on culture

      Explanation:

      Exacerbations of chronic obstructive pulmonary disease (COPD) are a common occurrence and can be caused by various factors, including bacterial infections. In a bacterial acute exacerbation of chronic obstructive pulmonary disease, the most common causative pathogens are Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. Since the introduction of the pneumococcal conjugate vaccine, the most common bacterial pathogen may be changing from Streptococcus pneumoniae to Haemophilus influenzae and Moraxella catarrhalis. Mycoplasma pneumoniae and Chlamydia pneumoniae are also relatively common. An elevated white cell count may indicate exacerbation, but a lack of prominent leukocytosis is common. Clinical judgement is crucial, and a C-reactive protein (CRP) test may be useful, but it lags behind by 24-48 hours.

      Exacerbations of COPD are characterized by episodes of acutely increased dyspnea and cough, often with a change in the characteristics of the sputum. Despite fever and other signs and symptoms, the clinical presentation is mild to moderate in most cases. Patients with COPD often develop type 2 respiratory failure, which can escalate into respiratory acidosis, a potentially serious complication that may require non-invasive or invasive ventilation. An arterial blood gas analysis should be performed early in every patient presenting with a possible exacerbation of COPD.

      Treatment options for bacterial infections in exacerbations of COPD include trimethoprim-sulfamethoxazole (Septrin) combinations. However, resistance to this combination has been frequently reported in cases of infection with M. catarrhalis. The vast majority of cases of infection with M. catarrhalis are also penicillin-resistant due to their production of beta-lactamase. Co-amoxiclav is usually the antibiotic of choice, with macrolides being good alternatives.  In most cases, the initial antibiotic treatment is empirical and mainly guided by known local sensitivities and the patient’s previous history of exacerbations. Gram stain can be quite useful to identify broad classes of bacteria. If the gram stain is inconclusive, blood cultures should be performed if the patient is pyrexial.

    • This question is part of the following fields:

      • Respiratory Medicine
      9
      Seconds
  • Question 57 - A 25-year-old woman came to your GP clinic complaining of sudden onset itching,...

    Incorrect

    • A 25-year-old woman came to your GP clinic complaining of sudden onset itching, burning, and watering in both eyes. During the examination, you noticed moderate chemosis in both eyes and conjunctival follicles. You also discovered tender preauricular lymph nodes while palpating her neck. She informed you that her boyfriend had similar symptoms a week ago. What is the most probable diagnosis?

      Your Answer: Bacterial conjunctivitis

      Correct Answer: Adenoviral conjunctivitis

      Explanation:

      Adenoviral conjunctivitis is easily spread from person to person. The patient’s boyfriend had the same condition a week ago, so it’s not surprising that she has it now. This type of viral conjunctivitis is the most common.
      There is no evidence of herpes simplex because there are no cold sores or dendritic ulcers visible with fluorescein uptake.
      Bacterial and chlamydial conjunctivitis are unlikely because there is no pus discharge. Allergic conjunctivitis is also unlikely because there is no history of atopy or itchiness.

      Conjunctivitis is a common eye problem that is often seen in primary care. It is characterized by red, sore eyes with a sticky discharge. There are two types of infective conjunctivitis: bacterial and viral. Bacterial conjunctivitis is identified by a purulent discharge and eyes that may be stuck together in the morning. On the other hand, viral conjunctivitis is characterized by a serous discharge and recent upper respiratory tract infection, as well as preauricular lymph nodes.

      In most cases, infective conjunctivitis is a self-limiting condition that resolves without treatment within one to two weeks. However, topical antibiotic therapy is often offered to patients, such as Chloramphenicol drops given every two to three hours initially or Chloramphenicol ointment given four times a day initially. Alternatively, topical fusidic acid can be used, especially for pregnant women, and treatment is twice daily.

      For contact lens users, topical fluoresceins should be used to identify any corneal staining, and treatment should be the same as above. During an episode of conjunctivitis, contact lenses should not be worn, and patients should be advised not to share towels. School exclusion is not necessary.

    • This question is part of the following fields:

      • Ophthalmology
      16.7
      Seconds
  • Question 58 - A 70-year-old man with a 25 year history of type 2 diabetes mellitus...

    Correct

    • A 70-year-old man with a 25 year history of type 2 diabetes mellitus presents for a check-up. He was diagnosed with chronic kidney disease (secondary to diabetes) 7 years ago and has experienced a gradual decline in renal function since. His current medications include lisinopril 20 mg daily, amlodipine 5mg daily, atorvastatin 20 mg daily, and NovoRapid insulin twice daily.

      His most recent renal function tests reveal the following results:
      - Sodium: 140 mmol/L
      - Potassium: 5.1 mmol/L
      - Urea: 9.8 mmol/L
      - Creatinine: 130 µmol/L
      - eGFR: 38 mL/min/1.73m²

      During his clinic visit, his blood pressure is measured at 154/90 mmHg and this is confirmed on a second reading. What adjustments should be made to his blood pressure medication?

      Your Answer: Add indapamide

      Explanation:

      When hypertension is poorly controlled despite taking an ACE inhibitor and a calcium channel blocker, adding a thiazide-like diuretic is recommended. In patients with diabetic nephropathy, achieving tight blood pressure control is crucial. Although ACE inhibitors are the most evidence-based treatment, if blood pressure remains high, the NICE guidelines suggest adding a thiazide-based diuretic such as indapamide. It is important to avoid spironolactone and angiotensin II receptor blockers as they may increase the risk of hyperkalemia.

      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:

      • Renal Medicine/Urology
      12.4
      Seconds
  • Question 59 - A 28-year-old administrative assistant complains of pain on the thumb side of her...

    Correct

    • A 28-year-old administrative assistant complains of pain on the thumb side of her left wrist, persisting for the past week. She also notices that her left wrist seems more swollen than her right. During the examination, she experiences discomfort over her radial styloid when her thumb is forcefully flexed.

      What is the probable diagnosis?

      Your Answer: Tenosynovitis

      Explanation:

      The patient is positive for Finkelstein test, indicating De Quervain’s tenosynovitis. This condition causes pain over the radial styloid when the thumb is forcefully abducted or flexed. Unlike De Quervain’s tenosynovitis, rheumatoid arthritis affects both sides of the body. Mallet thumb is an injury that causes the thumb to bend towards the palm. Carpal tunnel syndrome is caused by compression of the median nerve and results in numbness and tingling in the thumb, index, and middle fingers. Osteoarthritis is a degenerative condition that primarily affects the elderly due to mechanical wear and tear.

      De Quervain’s Tenosynovitis: Symptoms, Diagnosis, and Treatment

      De Quervain’s tenosynovitis is a condition that commonly affects women between the ages of 30 and 50. It occurs when the sheath containing the extensor pollicis brevis and abductor pollicis longus tendons becomes inflamed. The condition is characterized by pain on the radial side of the wrist, tenderness over the radial styloid process, and pain when the thumb is abducted against resistance. A positive Finkelstein’s test, in which the thumb is pulled in ulnar deviation and longitudinal traction, can also indicate the presence of tenosynovitis.

      Treatment for De Quervain’s tenosynovitis typically involves analgesia, steroid injections, and immobilization with a thumb splint (spica). In some cases, surgical treatment may be necessary. With proper diagnosis and treatment, most patients are able to recover from this condition and resume their normal activities.

    • This question is part of the following fields:

      • Musculoskeletal
      5.5
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  • Question 60 - A new father is curious as to when his toddler will be receiving...

    Correct

    • A new father is curious as to when his toddler will be receiving her vaccines. He is particularly interested in the six-in-one vaccine which he has heard about from some friends at playgroup. When is the six-in-one vaccine given to toddlers?

      Your Answer: 8, 12, and 16 weeks

      Explanation:

      Childhood Vaccination Schedule in the UK

      In the UK, childhood vaccinations are an important part of ensuring the health and wellbeing of children. Here is a breakdown of the vaccination schedule:

      8, 12, and 16 weeks: The 6-in-1 vaccine is given as a single injection to protect against diphtheria, hepatitis B, Haemophilus influenza B, polio, tetanus, and pertussis. This vaccine is given at eight, 12, and 16 weeks old.

      One year: At one year, children receive the MMR vaccine, Hib/Men C vaccine, and third dose of the meningitis B and pneumococcal vaccines.

      8, 12, and 16 months: There are three doses given, however at eight, 12, and 16 weeks of age, not months.

      24 months: From 2-9 years old, children will receive the annual flu vaccine via nasal spray.

      It is important to follow the vaccination schedule to ensure that children are protected against serious illnesses. Talk to your healthcare provider for more information.

    • This question is part of the following fields:

      • Immunology/Allergy
      9.1
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  • Question 61 - A 45-year-old woman comes to the clinic with a complaint of dyspnoea on...

    Correct

    • A 45-year-old woman comes to the clinic with a complaint of dyspnoea on exertion and a non-productive cough that has been bothering her for the past 4 months. During the examination, the doctor notices clubbing and crepitations at the lung bases. Lung function tests reveal a decreased vital capacity and an elevated FEV1:FVC ratio. What is the most probable diagnosis?

      Your Answer: Fibrosing alveolitis

      Explanation:

      Understanding Cryptogenic Fibrosing Alveolitis

      Cryptogenic fibrosing alveolitis, also known as idiopathic pulmonary fibrosis, is a disorder that typically affects individuals between the ages of 50 and 70 years, with a slightly higher incidence in men than women. The condition is characterized by progressive breathlessness on exertion, dry cough, and a restrictive pattern on pulmonary function tests. While excessive sputum production is uncommon in the early stages, constitutional symptoms such as weight loss and lethargy may occur. Finger clubbing is a common finding in patients with cryptogenic fibrosing alveolitis.

      While haemoptysis is rare, it may suggest the development of lung malignancy, which occurs with an increased risk in patients with this condition. It is important to note that the risk of lung cancer does not exclude the possibility of cryptogenic fibrosing alveolitis. Chest pain is uncommon in this condition.

      There is no definitive treatment for cryptogenic fibrosing alveolitis, and the average survival from the time of diagnosis is 3 years. However, the course of the disease can be highly variable, and up to 20% of patients survive for more than 5 years from diagnosis.

      In summary, cryptogenic fibrosing alveolitis is a progressive lung disorder that presents with breathlessness on exertion, dry cough, and a restrictive pattern on pulmonary function tests. While there is no definitive treatment, early diagnosis and management can improve outcomes for patients.

    • This question is part of the following fields:

      • Respiratory Medicine
      10.6
      Seconds
  • Question 62 - A 42-year-old woman comes to the clinic complaining of itchy, violaceous papules on...

    Incorrect

    • A 42-year-old woman comes to the clinic complaining of itchy, violaceous papules on the flexor aspects of her wrists. She has no significant medical history and has never experienced a similar rash before. Based on the probable diagnosis, what other symptom is she most likely to exhibit?

      Your Answer: Onycholysis

      Correct Answer: Mucous membrane involvement

      Explanation:

      Lichen planus is a skin condition characterized by a rash of purple, itchy, polygonal papules on the flexor surfaces of the body. The affected area may also have Wickham’s striae. Oral involvement is common. In addition, elderly women may experience itchy white spots on the vulva, known as lichen sclerosus. Mucous membrane involvement is also frequently observed in lichen planus.

      Understanding Lichen Planus

      Lichen planus is a skin condition that is believed to be caused by an immune response, although the exact cause is unknown. It is characterized by an itchy, papular rash that typically appears on the palms, soles, genitalia, and flexor surfaces of the arms. The rash often has a polygonal shape and a distinctive white-lines pattern on the surface, known as Wickham’s striae. In some cases, new skin lesions may appear at the site of trauma, a phenomenon known as the Koebner phenomenon.

      Oral involvement is common in around 50% of patients, with a white-lace pattern often appearing on the buccal mucosa. Nail changes may also occur, including thinning of the nail plate and longitudinal ridging. Lichenoid drug eruptions can be caused by certain medications, such as gold, quinine, and thiazides.

      The main treatment for lichen planus is potent topical steroids. For oral lichen planus, benzydamine mouthwash or spray is recommended. In more extensive cases, oral steroids or immunosuppression may be necessary.

    • This question is part of the following fields:

      • Dermatology
      16.7
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  • Question 63 - A 41-year-old woman is worried that she may be experiencing premature ovarian failure...

    Correct

    • A 41-year-old woman is worried that she may be experiencing premature ovarian failure as she has not had a period for the last six months. What is the definition of premature ovarian failure?

      Your Answer: The onset of menopausal symptoms and elevated gonadotrophin levels before the age of 40 years

      Explanation:

      Premature Ovarian Insufficiency: Causes and Management

      Premature ovarian insufficiency is a condition where menopausal symptoms and elevated gonadotrophin levels occur before the age of 40. It affects approximately 1 in 100 women and can be caused by various factors such as idiopathic reasons, family history, bilateral oophorectomy, radiotherapy, chemotherapy, infection, autoimmune disorders, and resistant ovary syndrome. The symptoms of premature ovarian insufficiency are similar to those of normal menopause, including hot flushes, night sweats, infertility, secondary amenorrhoea, raised FSH and LH levels, and low oestradiol.

      Management of premature ovarian insufficiency involves hormone replacement therapy (HRT) or a combined oral contraceptive pill until the age of the average menopause, which is 51 years. It is important to note that HRT does not provide contraception in case spontaneous ovarian activity resumes. Early diagnosis and management of premature ovarian insufficiency can help alleviate symptoms and improve quality of life for affected women.

    • This question is part of the following fields:

      • Reproductive Medicine
      13.4
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  • Question 64 - A 75-year-old woman presents to the breast clinic with a painless lump in...

    Correct

    • A 75-year-old woman presents to the breast clinic with a painless lump in her left breast. After undergoing triple assessment, she is diagnosed with oestrogen receptor-positive breast cancer and her oncologist prescribes anastrozole as treatment. What potential risks may this medication pose for her?

      Your Answer: Osteoporosis

      Explanation:

      Anastrozole, an aromatase inhibitor, may lead to the development of osteoporosis. This medication is commonly used to treat oestrogen receptor-positive breast cancer in postmenopausal women by reducing the production of peripheral oestrogen. However, patients taking this medication are at an increased risk of developing osteoporosis. On the other hand, selective oestrogen receptor modulators (SERM) like tamoxifen may cause amenorrhoea, endometrial cancer, vaginal bleeding, and venous thromboembolism. Tamoxifen is typically used to treat oestrogen receptor-positive breast cancer in pre-menopausal women.

      Anti-oestrogen drugs are used in the management of oestrogen receptor-positive breast cancer. Selective oEstrogen Receptor Modulators (SERM) such as Tamoxifen act as an oestrogen receptor antagonist and partial agonist. However, Tamoxifen can cause adverse effects such as menstrual disturbance, hot flushes, venous thromboembolism, and endometrial cancer. On the other hand, aromatase inhibitors like Anastrozole and Letrozole reduce peripheral oestrogen synthesis, which is important in postmenopausal women. Anastrozole is used for ER +ve breast cancer in this group. However, aromatase inhibitors can cause adverse effects such as osteoporosis, hot flushes, arthralgia, myalgia, and insomnia. NICE recommends a DEXA scan when initiating a patient on aromatase inhibitors for breast cancer.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      12.9
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  • Question 65 - A geriatric patient presents with chronic heart failure.
    Which of the following drugs should...

    Correct

    • A geriatric patient presents with chronic heart failure.
      Which of the following drugs should be used as a first-line treatment for heart failure?

      Your Answer: Enalapril

      Explanation:

      Heart Failure Medications: Uses and Recommendations

      Heart failure is a serious condition that requires proper management and treatment. There are several medications available for heart failure, each with its own specific uses and recommendations.

      Enalapril is an ACE inhibitor that works by reducing levels of angiotensin II, a potent vasoconstrictor, resulting in reduced vasoconstriction and a reduction in left ventricular afterload. It is recommended as a first-line treatment for all patients with heart failure due to left ventricular systolic dysfunction.

      Digoxin is recommended for worsening or severe heart failure due to left ventricular systolic dysfunction despite first- and second-line treatment for heart failure.

      Aspirin should be prescribed for patients with heart failure and atherosclerotic arterial disease, including coronary heart disease. It is not useful in monotherapy for the treatment of heart failure.

      Furosemide is a diuretic that is routinely used for the relief of congestive symptoms and fluid retention in patients with heart failure. It should be titrated according to need after the initiation of subsequent heart failure therapies.

      Spironolactone is an aldosterone antagonist that forms the second-line treatment in patients with heart failure. It is important to closely monitor potassium and creatinine levels and the estimated glomerular filtration rate (eGFR). Specialist advice should be sought if the patient develops hyperkalaemia or renal function deteriorates.

      In summary, the appropriate medication for heart failure depends on the individual patient’s condition and needs. It is important to consult with a healthcare professional for proper diagnosis and treatment.

    • This question is part of the following fields:

      • Cardiovascular
      10.4
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  • Question 66 - In the diagnosis of asthma, which statement is the most appropriate? ...

    Correct

    • In the diagnosis of asthma, which statement is the most appropriate?

      Your Answer: Cough is an important diagnostic feature

      Explanation:

      Myths and Facts about Asthma Diagnosis and Treatment

      Cough is a crucial diagnostic feature in asthma, especially if it occurs at night. However, it is not the only symptom, and other factors must be considered to reach a diagnosis. While asthma often presents in childhood, it can also appear later in life, and some patients may experience a recurrence of symptoms after a period of remission. The 15% reversibility test is useful but not essential for diagnosis, and there is no single test that can definitively diagnose asthma. Inhaled corticosteroids are not bronchodilators and do not have an immediate effect, but they are essential for managing inflammation and preventing irreversible airway damage. Finally, family history is a crucial factor in asthma diagnosis, as there is a strong genetic component to the disease.

    • This question is part of the following fields:

      • Respiratory Medicine
      11.9
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  • Question 67 - A 68-year-old man with hypertension has an annual review. He is medicated with...

    Correct

    • A 68-year-old man with hypertension has an annual review. He is medicated with amlodipine 10 mg once daily. He has never smoked and does not have diabetes. His past medical history is unremarkable. He has a blood pressure of 126/74 mmHg, total cholesterol:HDL-cholesterol ratio of 6.3, and QRISK2-2017 of 26.1%.
      Target blood pressure in people aged <80 years, with treated hypertension: <140/90 mmHg.
      Target blood pressure in people aged ≥80 years, with treated hypertension: <150/90 mmHg.
      Total cholesterol: HDL-cholesterol ratio: high risk if >6.
      You decide to initiate statin therapy for primary prevention of cerebrovascular disease (CVD).
      Which of the following drugs is most appropriate for this patient?
      Select the SINGLE drug from the slit below. Select ONE option only.

      Your Answer: Atorvastatin 20mg

      Explanation:

      NICE Guidelines for Statin Use in Primary and Secondary Prevention of CVD

      The National Institute for Health and Care Excellence (NICE) provides guidelines for the use of statins in the prevention of cardiovascular disease (CVD). For primary prevention, NICE recommends offering atorvastatin 20 mg to individuals with a 10-year risk of developing CVD ≥10%. Fluvastatin and simvastatin are not recommended as first-line agents for primary prevention.

      For secondary prevention in individuals with established CVD, NICE recommends using atorvastatin 80 mg, with a lower dose used if there are potential drug interactions or high risk of adverse effects. Simvastatin 80 mg is considered a high-intensity statin, but is not recommended as a first-line agent for primary or secondary prevention.

      NICE guidelines emphasize the importance of assessing CVD risk using a recognized scoring system, such as QRISK2, for primary prevention. All modifiable risk factors should be addressed for individuals with a risk score >10%, including weight loss, tight control of blood pressure, exercise, smoking cessation, and statin use to lower cholesterol.

      For secondary prevention, all patients with CVD should be offered a statin. The QRISK2 risk assessment tool is recommended for assessing CVD risk in individuals up to and including age 84 years.

    • This question is part of the following fields:

      • Cardiovascular
      4.4
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  • Question 68 - A 28-year-old female presents to the gynaecology clinic with symptoms of endometriosis and...

    Correct

    • A 28-year-old female presents to the gynaecology clinic with symptoms of endometriosis and severe dysmenorrhoea. Despite taking paracetamol and ibuprofen, she has not experienced much relief. She has no immediate plans to start a family. What is the initial recommended treatment option, assuming there are no contraindications?

      Your Answer: Combined oral contraceptive pill (COCP)

      Explanation:

      Understanding Endometriosis

      Endometriosis is a common condition where endometrial tissue grows outside of the uterus. It affects around 10% of women of reproductive age and can cause chronic pelvic pain, painful periods, painful intercourse, and subfertility. Other symptoms may include urinary problems and painful bowel movements. Diagnosis is typically made through laparoscopy, and treatment options depend on the severity of symptoms.

      First-line treatments for symptomatic relief include NSAIDs and/or paracetamol. If these do not help, hormonal treatments such as the combined oral contraceptive pill or progestogens may be tried. If symptoms persist or fertility is a priority, referral to secondary care may be necessary. Secondary treatments may include GnRH analogues or surgery. For women trying to conceive, laparoscopic excision or ablation of endometriosis plus adhesiolysis is recommended, as well as ovarian cystectomy for endometriomas.

      It is important to note that there is poor correlation between laparoscopic findings and severity of symptoms, and that there is little role for investigation in primary care. If symptoms are significant, referral for a definitive diagnosis is recommended.

    • This question is part of the following fields:

      • Reproductive Medicine
      13.4
      Seconds
  • Question 69 - A 48-year-old man presents to the emergency department with his spouse. He is...

    Correct

    • A 48-year-old man presents to the emergency department with his spouse. He is experiencing significant swelling of his tongue and lips, rendering him unable to speak. His wife reports that his symptoms have worsened during their wait, and she is unsure of the cause as he has no known allergies. However, she does mention that he was recently prescribed a new medication by his primary care physician.
      Which of the following medications is the most probable culprit?

      Your Answer: Ramipril

      Explanation:

      Although it is possible for the man to have been prescribed any of the medications listed, it is evident that he is experiencing angioedema, as indicated by the swelling of his tongue and lips. Ramipril, an ACE inhibitor, is the medication most commonly associated with this side effect. Even if the patient has no history of allergies or negative reactions to ACE inhibitors, angioedema can still occur. While the likelihood of this happening is low, it is important to keep in mind due to the large number of patients taking this type of medication and the potential complications associated with angioedema.

      Angiotensin-converting enzyme (ACE) inhibitors are commonly used as the first-line treatment for hypertension and heart failure in younger patients. However, they may not be as effective in treating hypertensive Afro-Caribbean patients. These inhibitors are also used to treat diabetic nephropathy and for secondary prevention of ischaemic heart disease. The mechanism of action of ACE inhibitors is to inhibit the conversion of angiotensin I to angiotensin II. They are metabolized in the liver through phase 1 metabolism.

      ACE inhibitors may cause side effects such as cough, which occurs in around 15% of patients and may occur up to a year after starting treatment. This is thought to be due to increased bradykinin levels. Angioedema may also occur up to a year after starting treatment. Hyperkalaemia and first-dose hypotension are other potential side effects, especially in patients taking diuretics. ACE inhibitors should be avoided during pregnancy and breastfeeding, and caution should be exercised in patients with renovascular disease, aortic stenosis, or hereditary or idiopathic angioedema.

      Patients receiving high-dose diuretic therapy (more than 80 mg of furosemide a day) are at an increased risk of hypotension when taking ACE inhibitors. Before initiating treatment, urea and electrolytes should be checked, and after increasing the dose, a rise in creatinine and potassium may be expected. Acceptable changes include an increase in serum creatinine up to 30% from baseline and an increase in potassium up to 5.5 mmol/l. Patients with undiagnosed bilateral renal artery stenosis may experience significant renal impairment. The current NICE guidelines provide a flow chart for the management of hypertension.

    • This question is part of the following fields:

      • Immunology/Allergy
      6.8
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  • Question 70 - A 43-year-old male patient presents with a chief complaint of hearing difficulty. During...

    Correct

    • A 43-year-old male patient presents with a chief complaint of hearing difficulty. During the examination, you perform Weber's test and find that he hears the sound most loudly in his right ear. On conducting Rinne test, the sound is loudest when the tuning fork is placed in front of the ear canal on the left and loudest when placed on the mastoid process on the right. What type of hearing loss is evident in this case?

      Your Answer: Conductive hearing loss on the right

      Explanation:

      The presence of conductive hearing loss can be identified by conducting Rinne and Weber tests. During the Rinne test, bone conduction will be more audible than air conduction, while the Weber test will indicate the affected ear.

      If the hearing loss is conductive and affects the right ear, bone conduction will be louder than air conduction. This is because the ear canal, middle ear, or tympanic membrane is unable to conduct sound waves effectively. The Weber test will also indicate that the affected ear is where the sound is loudest.

      The other options provided are incorrect as they do not align with the results of the examination. In sensorineural hearing loss, air conduction is louder than bone conduction.

      Conductive hearing loss can be caused by various factors, including impacted earwax, inner ear effusion, debris or foreign objects in the ear canal, a perforated eardrum, or otosclerosis.

      Rinne’s and Weber’s Test for Differentiating Conductive and Sensorineural Deafness

      Rinne’s and Weber’s tests are two diagnostic tools used to differentiate between conductive and sensorineural deafness. Rinne’s test involves placing a tuning fork over the mastoid process until the sound is no longer heard, then repositioning it just over the external acoustic meatus. A positive test indicates that air conduction (AC) is better than bone conduction (BC), while a negative test suggests conductive deafness if BC is greater than AC.

      On the other hand, Weber’s test involves placing a tuning fork in the middle of the forehead equidistant from the patient’s ears and asking which side is loudest. In unilateral sensorineural deafness, sound is localized to the unaffected side, while in unilateral conductive deafness, sound is localized to the affected side.

      To interpret the results of Rinne’s and Weber’s tests, a normal result indicates that AC is greater than BC bilaterally, and the sound is midline in Weber’s test. Conductive hearing loss is indicated by BC being greater than AC in the affected ear, while AC is greater than BC in the unaffected ear, and the sound lateralizes to the affected ear in Weber’s test. Sensorineural hearing loss is indicated by AC being greater than BC bilaterally, and the sound lateralizes to the unaffected ear in Weber’s test.

    • This question is part of the following fields:

      • ENT
      31.5
      Seconds
  • Question 71 - Which one of the following statements regarding the vaccine used to routinely immunise...

    Incorrect

    • Which one of the following statements regarding the vaccine used to routinely immunise adults against influenza is accurate?

      Your Answer: It should be given intramuscularly

      Correct Answer: It is a live vaccine

      Explanation:

      Influenza Vaccination: Who Should Get It and What to Expect

      Seasonal influenza remains a significant health concern in the UK, with the flu season typically starting in November. To prevent the spread of the virus, it is recommended that individuals receive the influenza vaccine between September and early November. There are three types of influenza virus, with types A and B causing the majority of clinical disease.

      Prior to 2013, flu vaccination was only offered to the elderly and at-risk groups. However, a new NHS influenza vaccination programme for children was announced in 2013. The children’s vaccine is given intranasally, with the first dose administered at 2-3 years and subsequent doses given annually. It is a live vaccine and is more effective than the injectable vaccine.

      Adults and at-risk groups are also recommended to receive the influenza vaccine annually. This includes individuals over 65 years old, those with chronic respiratory or heart disease, chronic kidney or liver disease, chronic neurological disease, diabetes mellitus, immunosuppression, asplenia or splenic dysfunction, pregnant women, and those with a body mass index of 40 kg/m² or higher. Health and social care staff, those living in long-stay residential care homes, and carers of the elderly or disabled person may also be eligible for the vaccine.

      The influenza vaccine is an inactivated vaccine and cannot cause influenza. It is around 75% effective in adults, although this figure decreases in the elderly. It takes around 10-14 days after immunisation before antibody levels are at protective levels. The vaccine should be stored between +2 and +8ºC and shielded from light. Contraindications include hypersensitivity to egg protein. While a minority of patients may experience fever and malaise after receiving the vaccine, it is generally well-tolerated.

    • This question is part of the following fields:

      • Infectious Diseases
      13.7
      Seconds
  • Question 72 - A 67-year-old woman comes to the clinic complaining of experiencing electric shock-like pains...

    Correct

    • A 67-year-old woman comes to the clinic complaining of experiencing electric shock-like pains on the right side of her face for the past two months. She reports having 10-20 episodes per day, each lasting for 30-60 seconds. She recently had a dental check-up, which was normal. Upon neurological examination, no abnormalities were found. What is the most appropriate initial treatment?

      Your Answer: Carbamazepine

      Explanation:

      Carbamazepine is the first-line treatment for trigeminal neuralgia.

      Understanding Trigeminal Neuralgia

      Trigeminal neuralgia is a type of pain syndrome that is characterized by severe pain on one side of the face. While most cases are idiopathic, some may be caused by compression of the trigeminal roots due to tumors or vascular problems. According to the International Headache Society, trigeminal neuralgia is defined as a disorder that causes brief electric shock-like pains that are limited to one or more divisions of the trigeminal nerve. The pain is often triggered by light touch, such as washing, shaving, or brushing teeth, and can occur spontaneously. Certain areas of the face, such as the nasolabial fold or chin, may be more susceptible to pain. The pain may also remit for varying periods.

      Red flag symptoms and signs that suggest a serious underlying cause include sensory changes, ear problems, a history of skin or oral lesions that could spread perineurally, pain only in the ophthalmic division of the trigeminal nerve, optic neuritis, a family history of multiple sclerosis, and onset before the age of 40.

      The first-line treatment for trigeminal neuralgia is carbamazepine. If there is a failure to respond to treatment or atypical features are present, such as onset before the age of 50, referral to neurology is recommended. Understanding the symptoms and management of trigeminal neuralgia is important for proper diagnosis and treatment.

    • This question is part of the following fields:

      • Neurology
      11.8
      Seconds
  • Question 73 - A 35-year-old woman complains of recurrent pain that occurs in a cyclical pattern...

    Correct

    • A 35-year-old woman complains of recurrent pain that occurs in a cyclical pattern around the time of her menstrual cycle. The pain begins a few days before the onset of her period and persists for several days after. Additionally, she experiences discomfort during sexual intercourse, especially with deep penetration. Upon examination, tender nodularity is observed in the posterior fornix. The patient has already attempted to alleviate her symptoms with paracetamol and ibuprofen, but they are no longer effective. What is the most suitable next course of action?

      Your Answer: Combined oral contraceptive pill

      Explanation:

      When simple analgesia fails to alleviate endometriosis-related pain, the next step in treatment is to try either progestogens or the combined oral contraceptive pill. These hormonal treatments are generally effective in managing the symptoms of endometriosis. While clomifene may be used to induce ovulation in certain conditions, it is not the recommended next step in pain management for endometriosis. Elagolix, a new gonadotropin-releasing hormone antagonist, is licensed in the USA for endometriosis-related pain but is not widely used in the UK. Laparoscopic excision is a more invasive option and is typically reserved for later stages of treatment. Therefore, hormonal options are the next most appropriate step after simple analgesia for managing endometriosis-related pain.

      Understanding Endometriosis

      Endometriosis is a common condition where endometrial tissue grows outside of the uterus. It affects around 10% of women of reproductive age and can cause chronic pelvic pain, painful periods, painful intercourse, and subfertility. Other symptoms may include urinary problems and painful bowel movements. Diagnosis is typically made through laparoscopy, and treatment options depend on the severity of symptoms.

      First-line treatments for symptomatic relief include NSAIDs and/or paracetamol. If these do not help, hormonal treatments such as the combined oral contraceptive pill or progestogens may be tried. If symptoms persist or fertility is a priority, referral to secondary care may be necessary. Secondary treatments may include GnRH analogues or surgery. For women trying to conceive, laparoscopic excision or ablation of endometriosis plus adhesiolysis is recommended, as well as ovarian cystectomy for endometriomas.

      It is important to note that there is poor correlation between laparoscopic findings and severity of symptoms, and that there is little role for investigation in primary care. If symptoms are significant, referral for a definitive diagnosis is recommended.

    • This question is part of the following fields:

      • Reproductive Medicine
      11.4
      Seconds
  • Question 74 - Which of the following is an absolute contraindication to using combined oral contraceptive...

    Correct

    • Which of the following is an absolute contraindication to using combined oral contraceptive pills?

      Your Answer: 36-year-old woman smoking 20 cigarettes/day

      Explanation:

      The decision to prescribe the combined oral contraceptive pill is now based on the UK Medical Eligibility Criteria (UKMEC), which categorizes potential contraindications and cautions on a four-point scale. UKMEC 1 indicates no restrictions for use, while UKMEC 2 suggests that the benefits outweigh the risks. UKMEC 3 indicates that the disadvantages may outweigh the advantages, and UKMEC 4 represents an unacceptable health risk. Examples of UKMEC 3 conditions include controlled hypertension, a family history of thromboembolic disease in first-degree relatives under 45 years old, and current gallbladder disease. Examples of UKMEC 4 conditions include a history of thromboembolic disease or thrombogenic mutation, breast cancer, and uncontrolled hypertension. Diabetes mellitus diagnosed over 20 years ago is classified as UKMEC 3 or 4 depending on severity. In 2016, breast feeding between 6 weeks and 6 months postpartum was changed from UKMEC 3 to UKMEC 2.

    • This question is part of the following fields:

      • Reproductive Medicine
      7.6
      Seconds
  • Question 75 - A 50-year-old woman presented with worsening pains in the small joints of both...

    Correct

    • A 50-year-old woman presented with worsening pains in the small joints of both her feet with swelling and redness. She experienced stiffness which was worse in the morning. She was initially started on oral prednisolone with a proton-pump inhibitor whilst awaiting a specialist review from a rheumatologist. After seeing the specialist who performed blood tests and x-rays on her feet she was started on a new medication called hydroxychloroquine.
      What serious side effects does the specialist need to counsel the patient on when starting this new medication?

      Your Answer: Retinopathy

      Explanation:

      Hydroxychloroquine, a drug used to prevent and treat malaria, is now commonly included in treatment guidelines for conditions such as rheumatoid arthritis, SLE, and porphyria cutanea tarda. However, it is important for patients to be aware of the potential severe and permanent retinopathy that can result from chronic use of the drug. The mechanism behind this adverse effect is uncertain, but it can lead to permanent visual loss. To prevent eye toxicity, the daily safe maximum dose of hydroxychloroquine can be estimated based on the patient’s height and weight.

      Hydroxychloroquine: Uses and Adverse Effects

      Hydroxychloroquine is a medication commonly used in the treatment of rheumatoid arthritis and systemic/discoid lupus erythematosus. It is similar to chloroquine, which is used to treat certain types of malaria. However, hydroxychloroquine has been found to cause bull’s eye retinopathy, which can result in severe and permanent visual loss. Recent data suggests that this adverse effect is more common than previously thought, and the most recent guidelines recommend baseline ophthalmological examination and annual screening, including colour retinal photography and spectral domain optical coherence tomography scanning of the macula. Despite this risk, hydroxychloroquine may still be used in pregnant women if needed. Patients taking this medication should be asked about visual symptoms and have their visual acuity monitored annually using a standard reading chart.

    • This question is part of the following fields:

      • Musculoskeletal
      8.5
      Seconds
  • Question 76 - A 32-year-old woman presents to her General Practitioner complaining of occasional abdominal distension...

    Correct

    • A 32-year-old woman presents to her General Practitioner complaining of occasional abdominal distension and bloating, which varies with her menstrual cycle and is accompanied by episodes of constipation. She works as a teacher and finds work stressful; she has previously taken a course of sertraline for depression/anxiety. On examination, bloods and colonoscopy are normal.
      Which of the following is the most probable diagnosis?

      Your Answer: Irritable bowel syndrome (IBS)

      Explanation:

      Irritable bowel syndrome (IBS) is a gastrointestinal disorder that causes abdominal pain, bloating, and changes in bowel habits without any identifiable organic pathology. It is more common in women and can be worsened by stress and the perimenstrual period. Diagnosis is made by ruling out other potential causes of symptoms. Management includes dietary changes, such as increasing fiber intake and avoiding trigger foods, as well as psychological support. Medications may also be used to alleviate symptoms. This patient’s symptoms are not consistent with chronic pancreatitis, ulcerative colitis, peptic ulcer disease, or diverticulitis.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      17.1
      Seconds
  • Question 77 - A 39-year-old female patient arrives at the Emergency Department complaining of intense, stabbing...

    Correct

    • A 39-year-old female patient arrives at the Emergency Department complaining of intense, stabbing pain in her right flank that spreads to her groin. The pain comes and goes but is excruciating, reaching a severity of 10/10 at its peak. A pregnancy test yields negative results, while a urine dip shows positive for nitrites, leukocytes, and blood.
      What test should be conducted to properly diagnose the condition?

      Your Answer: Non-contrast CTKUB

      Explanation:

      When a patient presents with symptoms of renal colic, such as severe pain that radiates from the loin to the groin, a non-contrast CT-KUB is the preferred imaging test to detect any renal calculi and ensure there is no obstruction caused by them. In cases where an infected, obstructing stone is suspected, urgent nephrostomy may be necessary. Abdominal x-rays are not reliable for detecting calculi and should not be used as an indication for this type of investigation. A CT abdomen and pelvis is unnecessary and may expose the patient to unnecessary radiation. A CTKUB with contrast is also not recommended as it may mask the appearance of calculi. While ultrasound can be used to detect renal calculi, CT is more accurate and is now recommended as the first-line investigation. In cases where infection is suspected, CT is superior in assessing the anatomy and identifying any potential obstruction or collection that may require invasive intervention, such as nephrostomy insertion.

      The management of renal stones involves initial medication and investigations, including an NSAID for analgesia and a non-contrast CT KUB for imaging. Stones less than 5mm may pass spontaneously, but more intensive treatment is needed for ureteric obstruction or renal abnormalities. Treatment options include shockwave lithotripsy, ureteroscopy, and percutaneous nephrolithotomy. Prevention strategies include high fluid intake, low animal protein and salt diet, and medication such as thiazides diuretics for hypercalciuria and allopurinol for uric acid stones.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      48.4
      Seconds
  • Question 78 - A 38-year-old woman comes in for her routine anatomy ultrasound scan at 20...

    Correct

    • A 38-year-old woman comes in for her routine anatomy ultrasound scan at 20 weeks’ gestation. The ultrasound reveals significant fetal structural abnormalities, such as holoprosencephaly, cleft palate, short limbs, polydactyly, bilateral club feet, enlarged kidneys, and polyhydramnios.
      What is the probable underlying condition of the unborn child?

      Your Answer: Patau syndrome

      Explanation:

      Common Genetic Disorders and Their Prenatal Ultrasound Findings

      Prenatal ultrasound is a valuable tool for detecting genetic disorders in fetuses. Here are some common genetic disorders and their associated ultrasound findings:

      1. Patau Syndrome (Trisomy 13): This disorder has a prevalence of 1 per 6500 births. Fetuses with Trisomy 13 may show brain anomalies, midfacial hypoplasia, ventriculomegaly, microcephaly, cleft lip and palate, and cardiac defects.

      2. Cystic Fibrosis (CF): Hyperechogenic fetal bowel is often associated with severe diseases, notably CF.

      3. Down Syndrome: 20% of all second-trimester Down syndrome fetuses have major structural anomalies, including polyhydramnios, double bubble, and large cardiac septal defects.

      4. Klinefelter Syndrome: This disorder results from two or more X chromosomes in boys and may cause infertility and small testicles.

      5. Potter Syndrome: This disorder is suspected whenever the combination of intrauterine growth retardation and severe oligohydramnios is seen. It consists of pulmonary hypoplasia, growth restriction, abnormal facies, and limb abnormalities.

      In conclusion, prenatal ultrasound can help detect genetic disorders in fetuses, allowing for early intervention and management.

    • This question is part of the following fields:

      • Genetics
      14.5
      Seconds
  • Question 79 - An 80-year-old woman is brought to the emergency department by ambulance due to...

    Incorrect

    • An 80-year-old woman is brought to the emergency department by ambulance due to right-sided limb weakness, facial droop, and slurred speech. A CT head scan shows a left-sided infarct but no haemorrhage. Her admission ECG reveals new atrial fibrillation (AF). Aspirin 300mg is given for the acute stroke, and she is recovering well on the ward. After two weeks, what medication should be initiated to lower the risk of future strokes?

      Your Answer: Clopidogrel

      Correct Answer: Warfarin or a direct thrombin or factor Xa inhibitor

      Explanation:

      For patients with AF who have experienced a stroke or TIA, the recommended anticoagulant is warfarin or a direct thrombin or factor Xa inhibitor. Aspirin/dipyridamole should only be used if necessary for the treatment of other conditions, which is not the case in this scenario. Clopidogrel is typically prescribed for TIA patients without AF, but in this case, the patient had a stroke and would require long-term treatment with a different medication.

      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
      11
      Seconds
  • Question 80 - A 32-year-old man with a past medical history of polyarthralgia, back pain, and...

    Correct

    • A 32-year-old man with a past medical history of polyarthralgia, back pain, and diarrhea presents with a 3 cm red lesion on his shin that is beginning to ulcerate. What is the probable diagnosis?

      Your Answer: Pyoderma gangrenosum

      Explanation:

      It is probable that this individual is suffering from ulcerative colitis, a condition that is commonly linked to arthritis in large joints, sacroiliitis, and pyoderma gangrenosum.

      Understanding Pyoderma Gangrenosum

      Pyoderma gangrenosum is a rare inflammatory disorder that causes painful skin ulceration. While it can affect any part of the skin, it is most commonly found on the lower legs. This condition is classified as a neutrophilic dermatosis, which means that it is characterized by the infiltration of neutrophils in the affected tissue. The exact cause of pyoderma gangrenosum is unknown in 50% of cases, but it can be associated with inflammatory bowel disease, rheumatological conditions, haematological disorders, and other diseases.

      The initial symptoms of pyoderma gangrenosum may start suddenly with a small pustule, red bump, or blood-blister. The skin then breaks down, resulting in an ulcer that is often painful. The edge of the ulcer is typically described as purple, violaceous, and undermined. In some cases, systemic symptoms such as fever and myalgia may also be present. Diagnosis is often made by the characteristic appearance, associations with other diseases, the presence of pathergy, histology results, and ruling out other potential causes.

      Management of pyoderma gangrenosum typically involves oral steroids as first-line treatment due to the potential for rapid progression. Other immunosuppressive therapies such as ciclosporin and infliximab may also be used in difficult cases. It is important to note that any surgery should be postponed until the disease process is controlled on immunosuppression to avoid worsening the condition. Understanding pyoderma gangrenosum and seeking prompt medical attention can help manage this rare and painful condition.

    • This question is part of the following fields:

      • Dermatology
      10
      Seconds
  • Question 81 - A 50-year-old woman with type 1 diabetes mellitus is seen in the diabetes...

    Correct

    • A 50-year-old woman with type 1 diabetes mellitus is seen in the diabetes clinic. Her blood tests from three months ago showed:
      K+ 4.5 mmol/l
      Creatinine 116 µmol/l
      eGFR 47 ml/min
      She was started on lisinopril to manage hypertension and protect her kidneys. The medication was titrated up to the treatment dose. Her current blood results are:
      K+ 4.9 mmol/l
      Creatinine 123 µmol/l
      eGFR 44 ml/min
      What is the most appropriate action to take in this situation?

      Your Answer: No action

      Explanation:

      The slight alterations in creatinine and eGFR are within acceptable limits and do not warrant discontinuation of ACE inhibitors.

      Hypertension Management in Chronic Kidney Disease

      Chronic kidney disease (CKD) patients often require more than two drugs to manage hypertension. The first-line treatment is ACE inhibitors, which are particularly effective in proteinuric renal disease such as diabetic nephropathy. However, these drugs may cause a small decrease in glomerular filtration pressure (GFR) and a rise in creatinine. According to NICE guidelines, a decrease in eGFR of up to 25% or a rise in creatinine of up to 30% is acceptable, but any increase should prompt careful monitoring and exclusion of other causes such as NSAIDs. A rise greater than this may indicate underlying renovascular disease.

      Furosemide is a useful antihypertensive drug in CKD patients, especially when the GFR falls below 45 ml/min. It also helps to lower serum potassium levels. However, high doses are usually required, and if the patient becomes dehydrated due to conditions such as gastroenteritis, the drug should be temporarily stopped. The NKF K/DOQI guidelines suggest a lower cut-off of less than 30 ml/min. Overall, hypertension management in CKD patients requires careful monitoring and individualized treatment plans.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      5.7
      Seconds
  • Question 82 - What is a true statement about the oral contraceptive pill? ...

    Correct

    • What is a true statement about the oral contraceptive pill?

      Your Answer: Malignant melanomas may be oestrogen-dependent.

      Explanation:

      Malignant melanomas may be influenced by oestrogen, which plays a protective role in the skin. However, the role of oestrogens in malignant melanoma is still unclear. Oestrogen receptor β (ERβ) may distinguish melanomas linked to poor prognosis from those with a favourable course. Combined oral contraceptives have contraindications, including oestrogen-dependent neoplasia, but can be used after 5 years if there is no evidence of disease. Progesterone-only preparations can increase blood pressure and have contraindications, including a history of previous arterial or venous thrombosis. The combined pill may be preferred in patients with epilepsy, but certain anti-epileptic drugs can reduce the contraceptive effect of any type of hormonal contraception. Mechanical barriers or copper intrauterine devices may be a better option in these cases.

    • This question is part of the following fields:

      • Reproductive Medicine
      8.8
      Seconds
  • Question 83 - A 50-year-old man who is being treated for schizophrenia with chlorpromazine experiences involuntary...

    Correct

    • 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: 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
      2.6
      Seconds
  • Question 84 - 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: Verapamil

      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
      8.2
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  • Question 85 - You are a foundation year two doctor in general practice. Eighteen days ago...

    Incorrect

    • You are a foundation year two doctor in general practice. Eighteen days ago you reviewed a twenty-three-year-old complaining of posterior heel pain with morning pain and stiffness. He has a past medical history of asthma and anxiety. The symptoms are exacerbated with activity. You advised him to rest and take simple analgesia, however, his symptoms have not eased. He is anxious to step up his treatment.

      What is the next management option?

      Your Answer: Steroid injection directly into the tendon

      Correct Answer: Physio

      Explanation:

      The recommended approach for managing Achilles tendonitis is to advise the patient to rest, take NSAIDs, and seek physiotherapy if symptoms persist beyond 7 days. However, it is important to note that ibuprofen should be avoided in patients with asthma. Simply reiterating the need for rest may not address the patient’s desire for more aggressive treatment options. Referring the patient to orthopaedics would not be appropriate, but a referral to rheumatology may be considered if the symptoms do not improve. While steroids may provide some benefit, the evidence is mixed and injecting them directly into the tendon can increase the risk of tendon rupture.

      Achilles tendon disorders are a common cause of pain in the back of the heel. These disorders can include tendinopathy, partial tears, and complete ruptures of the Achilles tendon. Certain factors, such as the use of quinolone antibiotics and high cholesterol levels, can increase the risk of developing these disorders. Symptoms of Achilles tendinopathy typically include gradual onset of pain that worsens with activity, as well as morning stiffness. Treatment for this condition usually involves pain relief, reducing activities that exacerbate the pain, and performing calf muscle eccentric exercises.

      In contrast, an Achilles tendon rupture is a more serious condition that requires immediate medical attention. This type of injury is often caused by sudden, forceful movements during sports or running. Symptoms of an Achilles tendon rupture include an audible popping sound, sudden and severe pain in the calf or ankle, and an inability to walk or continue the activity. To help diagnose an Achilles tendon rupture, doctors may use Simmond’s triad, which involves examining the foot for abnormal angles and feeling for a gap in the tendon. Ultrasound is typically the first imaging test used to confirm a diagnosis of Achilles tendon rupture. If a rupture is suspected, it is important to seek medical attention from an orthopaedic specialist as soon as possible.

    • This question is part of the following fields:

      • Musculoskeletal
      27.2
      Seconds
  • Question 86 - Each of the following can cause a mydriatic pupil, except for what? ...

    Incorrect

    • Each of the following can cause a mydriatic pupil, except for what?

      Your Answer: Holmes-Adie pupil

      Correct Answer: Argyll-Robertson pupil

      Explanation:

      The Argyll-Robertson pupil is a well-known pupillary syndrome that can be observed in cases of neurosyphilis. This condition is characterized by pupils that are able to accommodate, but do not react to light. A helpful mnemonic for remembering this syndrome is Accommodation Reflex Present (ARP) but Pupillary Reflex Absent (PRA). Other features of the Argyll-Robertson pupil include small and irregular pupils. The condition can be caused by various factors, including diabetes mellitus and syphilis.

      Mydriasis, which is the enlargement of the pupil, can be caused by various factors. These include third nerve palsy, Holmes-Adie pupil, traumatic iridoplegia, pheochromocytoma, and congenital conditions. Additionally, certain drugs can also cause mydriasis, such as topical mydriatics like tropicamide and atropine, sympathomimetic drugs like amphetamines and cocaine, and anticholinergic drugs like tricyclic antidepressants. It’s important to note that anisocoria, which is when one pupil is larger than the other, can also result in the appearance of mydriasis.

    • This question is part of the following fields:

      • Ophthalmology
      38.6
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  • Question 87 - A 45-year-old teacher who was previously healthy was discovered unconscious on the ground....

    Correct

    • 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: 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
      8.9
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  • Question 88 - An 80-year-old man is admitted to the orthogeriatric ward following a femoral fracture...

    Correct

    • An 80-year-old man is admitted to the orthogeriatric ward following a femoral fracture from a fall. He has a medical history of diabetes mellitus type 2, benign prostate hyperplasia, and severe hay fever. After a few days, the patient reports experiencing suprapubic discomfort and difficulty urinating. Which medication is the most probable cause of his symptoms?

      Your Answer: Codeine

      Explanation:

      Urinary retention is a common side effect of opioid analgesia, including the use of codeine. Other medications that can cause this issue include tricyclic antidepressants, anticholinergics, and NSAIDs. Doxazosin, an alpha-blocker, is often prescribed to improve symptoms of benign prostatic hyperplasia and reduce resistance to bladder outflow. Duloxetine, an SSRI used to treat diabetic neuropathy, does not typically cause urinary retention. Finasteride, a 5-alpha reductase inhibitor, is a second-line treatment for benign prostatic hyperplasia when alpha-blockers are not effective, as it reduces prostatic bulk.

      Drugs that can cause urinary retention

      Urinary retention is a condition where a person is unable to empty their bladder completely. This can be caused by various factors, including certain medications. Some drugs that may lead to urinary retention include tricyclic antidepressants like amitriptyline, anticholinergics such as antipsychotics and antihistamines, opioids, NSAIDs, and disopyramide. These drugs can affect the muscles that control the bladder, making it difficult to urinate.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      13.2
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  • Question 89 - A 62-year-old woman visits the clinic complaining of unpleasant breath and gurgling sounds...

    Correct

    • A 62-year-old woman visits the clinic complaining of unpleasant breath and gurgling sounds while swallowing. She reports no other symptoms or changes in her health.
      What is the MOST probable diagnosis?

      Your Answer: Pharyngeal pouch

      Explanation:

      Pharyngeal Pouch and Hiatus Hernia: Two Common Causes of Oesophageal Symptoms

      Pharyngeal pouch and hiatus hernia are two common conditions that can cause symptoms related to the oesophagus. A pharyngeal pouch is a diverticulum that forms in the posterior aspect of the oesophagus due to herniation between two muscles that constrict the inferior part of the pharynx. This pouch can trap food and cause halitosis, regurgitation of food or gurgling noises, and sometimes a palpable lump on the side of the neck. Treatment involves surgery to correct the herniation or sometimes to close the diverticulum.

      Hiatus hernia, on the other hand, occurs when part of the stomach protrudes through the diaphragm into the chest cavity, leading to a retrosternal burning sensation, gastro-oesophageal reflux, and dysphagia. This condition is more common in older people and those with obesity or a history of smoking. Treatment may involve lifestyle changes, such as weight loss and avoiding trigger foods, as well as medications to reduce acid production or strengthen the lower oesophageal sphincter.

      Other possible causes of oesophageal symptoms include gastro-oesophageal reflux disease (GORD), oesophageal candidiasis, and oesophageal carcinoma. GORD is a chronic condition that involves reflux of gastric contents into the oesophagus, causing symptoms of heartburn and acid regurgitation. Oesophageal candidiasis is a fungal infection that usually affects people with weakened immune systems. Oesophageal carcinoma is a type of cancer that can develop in the lining of the oesophagus, often with symptoms such as weight loss, dysphagia, abdominal pain, and dyspepsia. However, based on the history provided, pharyngeal pouch and hiatus hernia are more likely causes of the patient’s symptoms.

    • This question is part of the following fields:

      • ENT
      8.6
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  • Question 90 - A 55-year-old woman visits her GP seeking advice on starting hormone replacement therapy...

    Correct

    • A 55-year-old woman visits her GP seeking advice on starting hormone replacement therapy (HRT) due to distressing vasomotor symptoms. Her LMP was 10 months ago, and she has not undergone any surgeries, has no significant medical history, and is not sexually active. Despite making lifestyle changes, she has not experienced much relief. Assuming there are no contraindications, what treatment would you suggest?

      Your Answer: Cyclical combined HRT

      Explanation:

      When a woman expresses interest in starting hormone replacement therapy (HRT), it is important to gather a detailed medical history to determine her menopausal status. This includes information about her last menstrual period (LMP) and any bleeding patterns leading up to it. Based on this information, it appears that the woman in question is peri-menopausal, as she has not been without a period for a full year.

      The primary reason for starting HRT is to alleviate vasomotor symptoms, such as hot flashes. However, it may also be used to prevent osteoporosis in women who have been diagnosed with premature menopause.

      For women who still have a uterus, HRT should consist of a combination of estrogen and progesterone. The progesterone is essential for reducing the risk of endometrial cancer, which can occur when estrogen is used alone. Women who have had a hysterectomy will typically receive continuous estrogen-only therapy.

      The type of HRT prescribed will depend on the woman’s menopausal status. Those who have had their LMP within the past year should receive cyclical combined HRT, while those who have been without a period for at least a year or who have experienced premature menopause should receive continuous combined HRT.

      For women who are unable or unwilling to take HRT, there are several non-hormonal treatments available for vasomotor symptoms. These include certain selective serotonin and noradrenaline reuptake inhibitors, clonidine, and gabapentin. However, sertraline is not effective for treating hot flashes. It is worth noting that the National Institute for Health and Clinical Excellence (NICE) does not recommend the use of herbal or complementary therapies for managing hot flashes and night sweats.

      Hormone replacement therapy (HRT) involves a small dose of oestrogen and progestogen to alleviate menopausal symptoms. The indications for HRT have changed due to the long-term risks, and it is primarily used for vasomotor symptoms and preventing osteoporosis in younger women. HRT consists of natural oestrogens and synthetic progestogens, and can be taken orally or transdermally. Transdermal is preferred for women at risk of venous thromboembolism.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      10.6
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  • Question 91 - During your FY2 rotation in General Practice, you saw a 76-year-old man in...

    Correct

    • During your FY2 rotation in General Practice, you saw a 76-year-old man in your GP clinic who had been experiencing blurring of vision in his right eye for the past 5 months. He finally decided to seek medical attention because he felt his vision was becoming increasingly distorted. Upon examination, there were no signs of inflammation in either eye, and both corneas were clear with no fluorescein uptake. However, on dilated fundoscopy, you noticed yellowish deposits in the center of the macula in his right eye. What is the curative treatment for this condition?

      Your Answer: None

      Explanation:

      Dry age-related macular degeneration, characterized by yellowish drusen deposits, currently has no cure. However, high doses of beta-carotene, vitamins C and E, and zinc can be administered to slow down the progression of visual loss. On the other hand, wet AMD can be treated with intravitreal anti-VEGF injections, laser photocoagulation, and photodynamic therapy.

      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
      7.2
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  • Question 92 - As a general practice doctor, you are attending to a 55-year-old man who...

    Correct

    • As a general practice doctor, you are attending to a 55-year-old man who has come in as a same-day emergency with new pain in his right leg and foot. The pain has been present for the past 48 hours and is worse at night. He reports that the pain is in the outer side of his calf and the top of his foot and toes. The patient has a medical history of osteoarthritis, gout, and hypertension, and is currently taking paracetamol, amlodipine, naproxen, allopurinol, and omeprazole.

      Upon examination, there is no tenderness or joint deformity in the ankle or foot. The patient has limited movement of the ankle and experiences pain when dorsiflexing his foot. There is slightly altered sensation over the dorsum of his foot, but sensation in the rest of his leg is normal. Bilateral palpable dorsalis pedis pulses are present.

      What is the most likely cause of this man's leg pain?

      Your Answer: L5 radiculopathy

      Explanation:

      Nerve root pain can be identified by its distribution along the lateral calf and dorsum of the foot, as well as the presence of a neurological deficit such as sensory changes and weakness. This suggests that the L5 nerve is affected.

      In contrast, joint diseases like gout and osteoarthritis typically cause pain localized to the affected joint, without any specific distribution on the foot. There is also no associated sensory loss, and movement of the joint is limited in all directions, not just dorsiflexion.

      Peripheral vascular disease or deep vein thrombosis can cause symptoms throughout the entire limb, without any discernible distribution. While arterial disease may cause calf pain, it does not lateralize to the medial or lateral side of the calf. Additionally, if the foot is affected, the pain and sensory changes will be present on both the dorsum and sole.

      Understanding Prolapsed Disc and its Features

      A prolapsed lumbar disc is a common cause of lower back pain that can lead to neurological deficits. It is characterized by clear dermatomal leg pain, which is usually worse than the back pain. The pain is often aggravated when sitting. The features of the prolapsed disc depend on the site of compression. For instance, L3 nerve root compression can cause sensory loss over the anterior thigh, weak quadriceps, reduced knee reflex, and a positive femoral stretch test. On the other hand, L4 nerve root compression can lead to sensory loss in the anterior aspect of the knee, weak quadriceps, reduced knee reflex, and a positive femoral stretch test.

      The management of prolapsed disc is similar to that of other musculoskeletal lower back pain. It involves analgesia, physiotherapy, and exercises. According to NICE, the first-line treatment for back pain without sciatica symptoms is NSAIDs +/- proton pump inhibitors, rather than neuropathic analgesia. If the symptoms persist after 4-6 weeks, referral for consideration of MRI is appropriate. Understanding the features of prolapsed disc can help in the diagnosis and management of this condition.

    • This question is part of the following fields:

      • Musculoskeletal
      27.7
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  • Question 93 - What is the most frequent cause of hypothyroidism in children in the United...

    Correct

    • What is the most frequent cause of hypothyroidism in children in the United Kingdom?

      Your Answer: Autoimmune thyroiditis

      Explanation:

      Causes of Hypothyroidism in Children

      Hypothyroidism in children, also known as juvenile hypothyroidism, is most commonly caused by autoimmune thyroiditis. This occurs when the body’s immune system attacks the thyroid gland, leading to decreased production of thyroid hormones. However, there are other causes of hypothyroidism in children as well. For example, children who have undergone total-body irradiation as part of treatment for acute lymphoblastic leukemia may develop hypothyroidism as a side effect. Additionally, iodine deficiency is a common cause of hypothyroidism in children in developing countries. It is important for parents and healthcare providers to be aware of these potential causes in order to properly diagnose and treat hypothyroidism in children.

    • This question is part of the following fields:

      • Paediatrics
      5.5
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  • Question 94 - As you review the blood results of a 65-year-old man who has been...

    Incorrect

    • As you review the blood results of a 65-year-old man who has been diagnosed with hypertension, you notice that a HbA1c level was requested as part of the routine work-up. What HbA1c range would be indicative of prediabetes?

      Your Answer: 48-52 mmol/mol (6.5-6.9%)

      Correct Answer: 42-47 mmol/mol (6.0-6.4%)

      Explanation:

      Understanding Prediabetes and Impaired Glucose Regulation

      Prediabetes is a term used to describe impaired glucose levels that are higher than normal but not yet high enough to be diagnosed as diabetes mellitus. This includes individuals with impaired fasting glucose (IFG) or impaired glucose tolerance (IGT). Diabetes UK estimates that around 1 in 7 adults in the UK have prediabetes, and many of them will eventually develop type 2 diabetes mellitus (T2DM), putting them at risk of microvascular and macrovascular complications.

      To identify patients with prediabetes, NICE recommends using a validated computer-based risk assessment tool for adults aged 40 and over, people of South Asian and Chinese descent aged 25-39, and adults with conditions that increase the risk of T2DM. Patients identified as high risk should have a blood sample taken, and a fasting plasma glucose of 6.1-6.9 mmol/l or an HbA1c level of 42-47 mmol/mol (6.0-6.4%) indicates high risk.

      Lifestyle modifications such as weight loss, increased exercise, and changes in diet are recommended for managing prediabetes. NICE also recommends metformin for adults at high risk who are still progressing towards T2DM despite lifestyle changes.

      There are two main types of impaired glucose regulation: impaired fasting glucose (IFG) and impaired glucose tolerance (IGT). IFG is due to hepatic insulin resistance, while IGT is due to muscle insulin resistance. Patients with IGT are more likely to develop T2DM and cardiovascular disease than those with IFG.

      To rule out a diagnosis of diabetes, people with IFG should be offered an oral glucose tolerance test. A result below 11.1 mmol/l but above 7.8 mmol/l indicates that the person doesn’t have diabetes but does have IGT. It is important to understand prediabetes and impaired glucose regulation to prevent the progression to T2DM and its associated complications.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      6.8
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  • Question 95 - A 68-year-old man who has recently had a stroke is here for a...

    Correct

    • A 68-year-old man who has recently had a stroke is here for a follow-up appointment. He explains that he was watching a game with his son when he suddenly lost feeling on the left side of his body. Emergency services were called and he was taken to the hospital where a CT scan confirmed a right-sided ischemic stroke. He has no other medical history. What antiplatelet medication should he be prescribed after the stroke?

      Your Answer: Aspirin 300 mg daily for 2 weeks then clopidogrel 75 mg daily lifelong

      Explanation:

      After a stroke, all patients should receive an antiplatelet medication, unless they require an anticoagulant. As per NICE guidelines, individuals with confirmed ischaemic stroke through brain imaging should be given 300 mg of aspirin daily for two weeks. Afterward, long-term treatment with 75 mg of clopidogrel is recommended, provided it is well-tolerated and not contraindicated. If clopidogrel is not suitable, modified-release dipyridamole with low-dose aspirin should be administered.

      Latest Guidance on Antiplatelets

      Antiplatelets are medications that prevent blood clots from forming by inhibiting platelet aggregation. The most recent guidelines recommend different antiplatelet regimens depending on the diagnosis. For acute coronary syndrome, aspirin and ticagrelor are recommended for 12 months, followed by lifelong aspirin and clopidogrel if aspirin is contraindicated. For percutaneous coronary intervention, lifelong aspirin and prasugrel or ticagrelor for 12 months are recommended, with lifelong clopidogrel if aspirin is contraindicated. For TIA and ischaemic stroke, lifelong clopidogrel is recommended as first-line treatment, with lifelong aspirin and dipyridamole as second-line treatment. For peripheral arterial disease, lifelong clopidogrel is recommended as first-line treatment, with lifelong aspirin as second-line treatment. It is important to follow these guidelines to ensure the best possible outcomes for patients.

    • This question is part of the following fields:

      • Neurology
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  • Question 96 - A 28-year-old pregnant woman goes to her first prenatal appointment and is found...

    Correct

    • A 28-year-old pregnant woman goes to her first prenatal appointment and is found to have a urinary tract infection based on a urine dipstick test. Despite being asymptomatic, which antibiotic should she steer clear of during the first trimester of pregnancy?

      Your Answer: Trimethoprim

      Explanation:

      Urinary tract infections in pregnancy should be treated to prevent pyelonephritis. Trimethoprim should be avoided in the first trimester due to teratogenicity risk. Erythromycin is not typically used for UTIs and nitrofurantoin should be avoided close to full term. Sulfonamides and quinolones should also be avoided in pregnancy.

      Urinary tract infections (UTIs) are common in adults and can affect different parts of the urinary tract. The management of UTIs depends on various factors such as the patient’s age, gender, and pregnancy status. For non-pregnant women, local antibiotic guidelines should be followed if available. Trimethoprim or nitrofurantoin for three days are recommended by NICE Clinical Knowledge Summaries. However, if the patient is aged over 65 years or has visible or non-visible haematuria, a urine culture should be sent. Pregnant women with UTIs should be treated with nitrofurantoin, amoxicillin, or cefalexin for seven days. Trimethoprim should be avoided during pregnancy as it is teratogenic in the first trimester. Asymptomatic bacteriuria in pregnant women should also be treated to prevent progression to acute pyelonephritis. Men with UTIs should be offered a seven-day course of trimethoprim or nitrofurantoin unless prostatitis is suspected. A urine culture should be sent before antibiotics are started. Catheterised patients should not be treated for asymptomatic bacteria, but if symptomatic, a seven-day course of antibiotics should be given. Acute pyelonephritis requires hospital admission and treatment with a broad-spectrum cephalosporin or quinolone for 10-14 days. Referral to urology is not routinely required for men who have had one uncomplicated lower UTI.

    • This question is part of the following fields:

      • Reproductive Medicine
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  • Question 97 - A 33-year-old man presents to the Emergency Department with acute chest pain described...

    Correct

    • A 33-year-old man presents to the Emergency Department with acute chest pain described as tearing in nature. Upon clinical examination, a diastolic murmur consistent with aortic regurgitation is detected. Further investigation with chest computerised tomography (CT) confirms the presence of an ascending aortic dissection. The patient has a medical history of spontaneous pneumothorax and upward lens dislocation, but no significant family history. What is the probable underlying diagnosis?

      Your Answer: Marfan syndrome

      Explanation:

      Common Genetic and Neurological Syndromes: Symptoms and Characteristics

      Marfan Syndrome, Ehlers-Danlos Syndrome, Homocystinuria, Korsakoff Syndrome, and Loffler Syndrome are all genetic and neurological syndromes that affect individuals in different ways.

      Marfan Syndrome is caused by a mutation in the fibrillin gene, resulting in weakened elastic fibers and aortic dissection. Ehlers-Danlos Syndrome is characterized by fragile blood vessels, hyperelastic skin, and aneurysm formation. Homocystinuria is an autosomal recessive condition that causes downward lens dislocation, thrombotic episodes, osteoporosis, and intellectual disability. Korsakoff Syndrome occurs after Wernicke’s encephalopathy and results in the inability to acquire new memories. Finally, Loffler Syndrome is a transient respiratory condition caused by the allergic infiltration of the lungs by eosinophils.

      Understanding the symptoms and characteristics of these syndromes is crucial for proper diagnosis and treatment.

    • This question is part of the following fields:

      • Genetics
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  • Question 98 - A 26 year-old woman, who is 36 weeks pregnant, presents to her GP...

    Correct

    • A 26 year-old woman, who is 36 weeks pregnant, presents to her GP with a blood pressure reading of 170/110 mmHg. She is feeling well otherwise and is currently taking 250 mg labetalol. Urinalysis shows 3+ proteinuria. Fetal monitoring is normal. Her blood tests reveal a hemoglobin level of 135 g/l, platelet count of 280 * 109/l, white blood cell count of 6.0 * 109/l, sodium level of 142 mmol/l, potassium level of 4.0 mmol/l, urea level of 2.8 mmol/l, and creatinine level of 24 µmol/l. What is the most appropriate course of action for her management?

      Your Answer: Admit the patient to hospital as an emergency

      Explanation:

      Despite the absence of symptoms, the patient’s blood pressure remains elevated at a level exceeding 160/100 mmHg, and there is also significant proteinuria, despite receiving labetalol treatment. As a result, emergency admission is necessary to monitor and manage the hypertension in a controlled setting. If there is no improvement, delivery may be considered as an option.

      Hypertension during pregnancy is a common occurrence that requires careful management. In normal pregnancies, blood pressure tends to decrease in the first trimester and then gradually increase to pre-pregnancy levels by term. However, in cases of hypertension during pregnancy, the systolic blood pressure is usually above 140 mmHg or the diastolic blood pressure is above 90 mmHg. Additionally, an increase of more than 30 mmHg systolic or 15 mmHg diastolic from the initial readings may also indicate hypertension.

      There are three categories of hypertension during pregnancy: pre-existing hypertension, pregnancy-induced hypertension (PIH), and pre-eclampsia. Pre-existing hypertension refers to a history of hypertension before pregnancy or elevated blood pressure before 20 weeks gestation. PIH occurs in the second half of pregnancy and resolves after birth. Pre-eclampsia is characterized by hypertension and proteinuria, and may also involve edema.

      The management of hypertension during pregnancy involves the use of antihypertensive medications such as labetalol, nifedipine, and hydralazine. In cases of pre-existing hypertension, ACE inhibitors and angiotensin II receptor blockers should be stopped immediately and alternative medications should be prescribed. Women who are at high risk of developing pre-eclampsia should take aspirin from 12 weeks until the birth of the baby. It is important to carefully monitor blood pressure and proteinuria levels during pregnancy to ensure the health of both the mother and the baby.

    • This question is part of the following fields:

      • Reproductive Medicine
      14.7
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  • Question 99 - A 12-year-old boy comes to the clinic with a history of headaches for...

    Incorrect

    • A 12-year-old boy comes to the clinic with a history of headaches for the past 6 months. He reports experiencing these headaches once every few weeks, with each episode lasting for a day. Prior to the onset of the headache, he sees zig-zag lines. The headaches are typically on the right side of his head, accompanied by nausea and occasional vomiting. He finds some relief by sleeping in a dark, quiet room. Apart from this, he is healthy.
      What is the initial approach to managing his condition?

      Your Answer: Sumatriptan nasal spray

      Correct Answer: Oral ibuprofen

      Explanation:

      The recommended initial treatment for paediatric migraines is ibuprofen. Sumatriptan nasal spray is only approved for use in children over the age of 12, and oral sumatriptan is not approved for those under 18. Codeine and oramorph are not recommended for treating migraines in children. Indomethacin is also not typically used for paediatric migraines.

      Understanding Headaches in Children

      Headaches are a common occurrence in children, with up to 50% of 7-year-olds and 80% of 15-year-olds experiencing at least one headache. Migraine without aura is the most common cause of primary headache in children, with a strong female preponderance after puberty. The International Headache Society has produced criteria for diagnosing pediatric migraine without aura, which includes headache attacks lasting 4-72 hours, with at least two of four specific features and accompanying symptoms such as nausea and vomiting.

      When it comes to acute management, ibuprofen is considered more effective than paracetamol for pediatric migraine. Triptans may be used in children over 12 years old, but follow-up is required, and only sumatriptan nasal spray is licensed for use in young people. However, oral triptans are not currently licensed for those under 18 years old, and side effects may include tingling, heat, and pressure sensations.

      Prophylaxis for pediatric migraine is limited, with no clear consensus guidelines. Pizotifen and propranolol are recommended as first-line preventatives, while valproate, topiramate, and amitriptyline are considered second-line preventatives. Tension-type headache is the second most common cause of headache in children, with diagnostic criteria including at least 10 previous headache episodes lasting from 30 minutes to 7 days, with specific pain characteristics and the absence of nausea or vomiting.

      In summary, headaches in children are common, and migraine without aura is the most common primary headache. Acute management includes ibuprofen and triptans, while prophylaxis is limited. Tension-type headache is also a common cause of headache in children. It is important to seek medical advice if headaches are frequent or severe, or if there are any concerning symptoms such as neurological deficits or changes in behavior.

    • This question is part of the following fields:

      • Paediatrics
      21.9
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  • Question 100 - A 35-year-old woman who is 36 weeks pregnant arrives at the Emergency Department...

    Correct

    • A 35-year-old woman who is 36 weeks pregnant arrives at the Emergency Department complaining of severe and constant abdominal pain. She experienced some vaginal bleeding an hour ago, but it has mostly subsided, leaving only a small amount of bloody discharge. Upon obstetric examination, her uterus is firm, woody, and extremely tender. She appears pale and clammy, with a pulse of 102 bpm and a blood pressure of 98/65 mmHg. What is the probable diagnosis?

      Your Answer: Placental abruption

      Explanation:

      Antepartum hemorrhage can be caused by placental abruption, which may result in vaginal bleeding, abdominal pain, and a firm or woody uterus. In some cases, the bleeding may be concealed, and the fetus may be difficult to feel or hear. It is important to note that young and healthy women may not show signs of shock until they have lost a significant amount of blood. Contractions during labor typically come in waves and do not cause a woody or tender uterus or low blood pressure. Placenta previa is another common cause of antepartum hemorrhage, but it is usually painless.

      Placental Abruption: Causes, Symptoms, and Risk Factors

      Placental abruption is a condition that occurs when the placenta separates from the uterine wall, leading to maternal bleeding into the space between them. Although the exact cause of this condition is unknown, certain factors have been associated with it, including proteinuric hypertension, cocaine use, multiparity, maternal trauma, and increasing maternal age. Placental abruption is not a common occurrence, affecting approximately 1 in 200 pregnancies.

      The clinical features of placental abruption include shock that is disproportionate to the visible blood loss, constant pain, a tender and tense uterus, and a normal lie and presentation of the fetus. The fetal heart may be absent or distressed, and there may be coagulation problems. It is important to be aware of other conditions that may present with similar symptoms, such as pre-eclampsia, disseminated intravascular coagulation (DIC), and anuria.

      In summary, placental abruption is a serious condition that can have significant consequences for both the mother and the fetus. Understanding the risk factors and symptoms of this condition is important for early detection and appropriate management.

    • This question is part of the following fields:

      • Reproductive Medicine
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