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  • Question 1 - An 8-year-old girl is brought in by her father, who reports that the...

    Incorrect

    • An 8-year-old girl is brought in by her father, who reports that the child experiences constant urinary dribbling and dampness. A urine dipstick was negative.
      Which of the following is the most appropriate drug to prescribe?

      Your Answer: Duloxetine

      Correct Answer: Oxybutynin

      Explanation:

      Medications for Urinary and Bowel Issues in Children

      Overactive bladder and nocturnal enuresis are common urinary issues in children. Here are some medications that can be used to treat these conditions:

      1. Oxybutynin: This medication relaxes the urinary smooth muscle and is used to treat overactive bladder in children over 5 years old.

      2. Imipramine: A tricyclic antidepressant that is used as a second-line treatment for nocturnal enuresis.

      3. Desmopressin: A vasopressin analogue that can be used to treat nocturnal enuresis in children.

      4. Duloxetine: A serotonin and noradrenaline reuptake inhibitor (SNRI) used to treat stress urinary incontinence in women. It is not licensed for use in individuals under 18 years old.

      In addition, loperamide is an opioid antimotility drug that can be used to treat diarrhoea caused by gastroenteritis or inflammatory bowel disease.

    • This question is part of the following fields:

      • Paediatrics
      7.7
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  • Question 2 - A 7-year-old boy who has recently arrived from India complains of fever. During...

    Correct

    • A 7-year-old boy who has recently arrived from India complains of fever. During examination, extensive cervical lymphadenopathy is observed and a grey coating is seen surrounding the tonsils. What is the probable diagnosis?

      Your Answer: Diphtheria

      Explanation:

      Understanding Diphtheria: Causes, Symptoms, and Treatment

      Diphtheria is a bacterial infection caused by the Gram positive bacterium Corynebacterium diphtheriae. The pathophysiology of this disease involves the release of an exotoxin encoded by a β-prophage, which inhibits protein synthesis by catalyzing ADP-ribosylation of elongation factor EF-2. This toxin commonly causes a ‘diphtheric membrane’ on tonsils, resulting in a grey, pseudomembrane on the posterior pharyngeal wall. Systemic distribution may produce necrosis of myocardial, neural, and renal tissue.

      Possible presentations of diphtheria include sore throat with a ‘diphtheric membrane’, bulky cervical lymphadenopathy, and neuritis of cranial nerves. It may also result in a ‘bull neck’ appearance and heart block. People who have recently visited Eastern Europe, Russia, or Asia are at a higher risk of contracting this disease.

      To diagnose diphtheria, a culture of throat swab is taken using tellurite agar or Loeffler’s media. The treatment for diphtheria involves intramuscular penicillin and diphtheria antitoxin.

    • This question is part of the following fields:

      • Infectious Diseases
      9.1
      Seconds
  • Question 3 - A 56-year-old man with a history of hypertension presents for follow-up. He is...

    Correct

    • A 56-year-old man with a history of hypertension presents for follow-up. He is currently on lisinopril 10 mg once daily, simvastatin 40 mg once daily, and aspirin 75mg once daily. His blood pressure is well managed at 126/78 mmHg. However, he informs the healthcare provider that he is scheduled for a tooth extraction next week. What guidance should be provided regarding his aspirin regimen?

      Your Answer: Take aspirin as normal

      Explanation:

      According to the BNF section on ‘Prescribing in dental practice’, patients who are taking anti-platelets should not discontinue their medication and should continue taking it as prescribed.

      The Mechanism and Guidelines for Aspirin Use in Cardiovascular Disease

      Aspirin is a medication that works by blocking the action of cyclooxygenase-1 and 2, which are responsible for the synthesis of prostaglandin, prostacyclin, and thromboxane. By inhibiting the formation of thromboxane A2 in platelets, aspirin reduces their ability to aggregate, making it a widely used medication in cardiovascular disease. However, recent trials have cast doubt on the use of aspirin in primary prevention of cardiovascular disease, leading to changes in guidelines. Aspirin is now recommended as a first-line treatment for patients with ischaemic heart disease, but it should not be used in children under 16 due to the risk of Reye’s syndrome. The medication can also potentiate the effects of oral hypoglycaemics, warfarin, and steroids.

      The Medicines and Healthcare products Regulatory Agency (MHRA) issued a drug safety update in January 2010, reminding prescribers that aspirin is not licensed for primary prevention. NICE now recommends clopidogrel as a first-line treatment following an ischaemic stroke and for peripheral arterial disease. However, the situation is more complex for TIAs, with recent Royal College of Physician (RCP) guidelines supporting the use of clopidogrel, while older NICE guidelines still recommend aspirin + dipyridamole – a position the RCP state is ‘illogical’. Despite these changes, aspirin remains an important medication in the treatment of cardiovascular disease, and its use should be carefully considered based on individual patient needs and risk factors.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      14.5
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  • Question 4 - A 35-year-old woman presents to her General Practitioner with headaches. Her blood pressure...

    Correct

    • A 35-year-old woman presents to her General Practitioner with headaches. Her blood pressure is 170/96 mmHg. Routine investigations reveal the following results:
      Investigation Result Normal value
      Sodium 148 mmol/l 137–144 mmol/l
      Potassium 2.8 mmol/l 3.5–4.9 mmol/l
      Chloride 103 mmol/l 95–107 mmol/l
      The renin level is undetectable and aldosterone levels are raised. The urea and creatinine are normal.
      Which of the following is the most likely cause of her hypertension?

      Your Answer: Conn syndrome

      Explanation:

      Differentiating between causes of hypertension: A brief overview

      One possible cause of hypertension is Conn syndrome, which is characterized by primary hyperaldosteronism due to a benign adrenal adenoma that secretes aldosterone. This leads to hypokalaemia, hypertension, and elevated sodium levels. Renin levels are reduced due to negative feedback from high aldosterone levels. Treatment options include surgical excision of the adenoma or potassium-sparing diuretics.

      Acromegaly, on the other hand, is caused by excessive secretion of growth hormone, usually due to a pituitary tumor. While hypertension may be present, other clinical features such as visual field defects, abnormal increase in size of hands and feet, frontal bossing, and hyperhidrosis are expected. Abnormal electrolytes, renin, and aldosterone levels are not typically seen in acromegaly.

      Cushing syndrome is characterized by hypercortisolism and may present with central obesity, skin and muscle atrophy, osteoporosis, and gonadal dysfunction. While hypertension may also be present, low renin levels and elevated aldosterone are not expected.

      Phaeochromocytoma is a catecholamine-producing tumor that presents with episodic headaches, sweating, and tachycardia. While hypertension is also present, a low renin and elevated aldosterone are not expected.

      Finally, renal artery stenosis is caused by renal hypoperfusion, leading to a compensatory increase in renin secretion, secondary hyperaldosteronism, and hypertension. This may result in hypokalaemia and hypernatraemia, but both renin and aldosterone levels would be raised.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      18.2
      Seconds
  • Question 5 - A 30-year-old female patient visits the GP clinic complaining of excessive pain during...

    Incorrect

    • A 30-year-old female patient visits the GP clinic complaining of excessive pain during her menstrual cycle for the past 6 months. She experiences pain 1-2 days before the onset of menstruation, which lasts throughout the cycle. Additionally, she reports pain during sexual intercourse, particularly during deep penetration. Her last menstrual period occurred 2 days ago. She has been in a monogamous relationship with her partner for 8 years, and she has never been pregnant. She does not use any form of contraception except for condoms. What is the most appropriate course of action?

      Your Answer: A trial of combined oral contraceptive pill

      Correct Answer: Refer to gynaecology

      Explanation:

      Patients with secondary dysmenorrhoea require referral to gynaecology for investigation, including this patient who exhibits such symptoms. While tranexamic acid is effective for menorrhagia, it is not useful for dysmenorrhoea. While a transvaginal ultrasound scan may be part of the investigation, a specialist review is more crucial, particularly for this patient who displays symptoms indicative of endometriosis, which may not be visible on an ultrasound scan. Before using the intrauterine system or combined oral contraceptive pill to treat endometriosis, a diagnosis is necessary.

      Dysmenorrhoea is a condition where women experience excessive pain during their menstrual period. There are two types of dysmenorrhoea: primary and secondary. Primary dysmenorrhoea affects up to 50% of menstruating women and is not caused by any underlying pelvic pathology. It usually appears within 1-2 years of the menarche and is thought to be partially caused by excessive endometrial prostaglandin production. Symptoms include suprapubic cramping pains that may radiate to the back or down the thigh, and pain typically starts just before or within a few hours of the period starting. NSAIDs such as mefenamic acid and ibuprofen are effective in up to 80% of women, and combined oral contraceptive pills are used second line for management.

      Secondary dysmenorrhoea, on the other hand, typically develops many years after the menarche and is caused by an underlying pathology. The pain usually starts 3-4 days before the onset of the period. Causes of secondary dysmenorrhoea include endometriosis, adenomyosis, pelvic inflammatory disease, intrauterine devices, and fibroids. Clinical Knowledge Summaries recommend referring all patients with secondary dysmenorrhoea to gynaecology for investigation. It is important to note that the intrauterine system (Mirena) may help dysmenorrhoea, but this only applies to normal copper coils.

    • This question is part of the following fields:

      • Reproductive Medicine
      22.4
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  • Question 6 - You are assessing a 50-year-old man who has been diagnosed with Barrett's oesophagus...

    Incorrect

    • You are assessing a 50-year-old man who has been diagnosed with Barrett's oesophagus following difficult to control symptoms. Biopsies did not reveal any dysplasia. What is the most strongly linked risk factor modification for the development of Barrett's oesophagus?

      Your Answer: Smoking

      Correct Answer: Gastro-oesophageal reflux disease

      Explanation:

      Barrett’s oesophagus is most strongly associated with the presence of GORD as a risk factor.

      Understanding Barrett’s Oesophagus

      Barrett’s oesophagus is a condition where the lower oesophageal mucosa is replaced by columnar epithelium, increasing the risk of oesophageal adenocarcinoma by 50-100 fold. It is typically identified during an endoscopy for upper gastrointestinal symptoms such as dyspepsia. The length of the affected segment correlates strongly with the chances of identifying metaplasia, with the overall prevalence estimated to be around 1 in 20. Risk factors include gastro-oesophageal reflux disease (GORD), male gender, smoking, and central obesity. Interestingly, alcohol does not seem to be an independent risk factor for Barrett’s. Management includes high-dose proton pump inhibitors and endoscopic surveillance with biopsies every 3-5 years for patients with metaplasia. If dysplasia of any grade is identified, endoscopic intervention such as radiofrequency ablation or endoscopic mucosal resection is offered.

      Barrett’s oesophagus is a condition where the lower oesophageal mucosa is replaced by columnar epithelium, increasing the risk of oesophageal adenocarcinoma. It is typically identified during an endoscopy for upper gastrointestinal symptoms such as dyspepsia. The length of the affected segment correlates strongly with the chances of identifying metaplasia, with the overall prevalence estimated to be around 1 in 20. Risk factors include GORD, male gender, smoking, and central obesity. Interestingly, alcohol does not seem to be an independent risk factor for Barrett’s. Management includes high-dose proton pump inhibitors and endoscopic surveillance with biopsies every 3-5 years for patients with metaplasia. If dysplasia of any grade is identified, endoscopic intervention such as radiofrequency ablation or endoscopic mucosal resection is offered.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      11.5
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  • Question 7 - Among the drugs listed, which one is the most probable cause of diarrhoea...

    Incorrect

    • Among the drugs listed, which one is the most probable cause of diarrhoea as a side effect? Please select only one option.

      Your Answer: Calcium carbonate

      Correct Answer: Lansoprazole

      Explanation:

      Gastrointestinal Side Effects of Common Medications

      Lansoprazole, a proton pump inhibitor, is known to cause gastrointestinal disturbances such as abdominal pain, constipation, flatulence, nausea, vomiting, and diarrhea. This is because it reduces the acidity of the stomach, allowing bacterial flora to proliferate.

      Amitriptyline, a tricyclic antidepressant, can cause abdominal pain, anorexia, constipation, increased appetite, nausea, and weight gain or loss. However, it is not associated with diarrhea.

      Calcium carbonate, a calcium supplement, can commonly cause gastrointestinal disturbances but is not known to cause diarrhea.

      Carbamazepine, an anticonvulsant, commonly causes nausea and vomiting, and rarely constipation and diarrhea. The rarity of diarrhea as a side effect suggests that an alternative option may be more appropriate.

      Codeine phosphate, an opioid analgesic, can cause constipation, nausea, and vomiting, but is not known to cause diarrhea.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      11.7
      Seconds
  • Question 8 - A 28-year-old woman complains of lumpy breasts. She notices the lumps are more...

    Incorrect

    • A 28-year-old woman complains of lumpy breasts. She notices the lumps are more prominent before her period. There is no family history of breast cancer.
      Which of the following is the most likely diagnosis?

      Your Answer: Fibroadenoma

      Correct Answer: Diffuse cystic mastopathy

      Explanation:

      Breast Masses: Differential Diagnosis and Clinical Features

      Breast masses are a common concern for women, and it is important to differentiate between benign and malignant causes. Here, we discuss the clinical features and differential diagnosis of various breast masses.

      Diffuse cystic mastopathy is a benign condition that affects a significant proportion of women. It is characterized by the formation of cysts in the breast lobules due to hormonal changes in the menstrual cycle. The lumps are smooth, mobile, and tend to peak in size before each period. Diagnosis is primarily based on clinical examination, but a biopsy may be needed to confirm the diagnosis.

      Fat necrosis is another benign condition that can occur due to direct trauma or surgery. It is characterized by the formation of firm, round, and painless masses in the breast. The skin around the lump may be red or bruised, and a biopsy may be needed to differentiate it from breast cancer.

      Breast abscesses are characterized by local inflammation, pain, and fever. They may be associated with previous breast infections and may require drainage. However, there is no evidence of an infectious process in this patient.

      Breast cancer is a concern in any patient with a breast mass, but early breast cancer is often asymptomatic. Physical findings that may indicate the possible presence of breast cancer include changes in breast size or shape, skin dimpling or changes, nipple abnormalities, and axillary lumps. However, none of these symptoms are present in this patient.

      Fibroadenoma is the most common cause of breast mass in women under 35 years of age. It is characterized by a singular, firm, rubbery, smooth, and mobile mass. However, this patient reports multiple lumps, making a diagnosis of fibroadenoma less likely.

      In conclusion, the cyclic nature of this patient’s breast masses makes diffuse cystic mastopathy the most likely diagnosis. However, a biopsy may be needed to confirm the diagnosis and rule out other causes.

    • This question is part of the following fields:

      • Reproductive Medicine
      9.1
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  • Question 9 - A 50-year-old alcoholic patient begins to have a seizure in the waiting area....

    Correct

    • A 50-year-old alcoholic patient begins to have a seizure in the waiting area. You quickly position him in the recovery stance and provide oxygen. However, after 5 minutes, the seizure persists. What is the best medication to give in this situation?

      Your Answer: Rectal diazepam 10 mg

      Explanation:

      Managing Seizures: Basic Steps and Medication Dosages

      Seizures can be a frightening experience for both the patient and those around them. While most seizures will stop on their own, prolonged seizures can be life-threatening. Therefore, it is important to know how to manage seizures in case of an emergency.

      The first step in managing a seizure is to check the patient’s airway and provide oxygen if necessary. It is also important to place the patient in the recovery position to prevent choking or aspiration. If the seizure is prolonged, benzodiazepines may be necessary. The recommended dose for rectal diazepam varies depending on the patient’s age and condition. For neonates, the dose is 1.25-2.5 mg, while for adults, it is 10-20 mg (max. 30 mg). The dose may be repeated once after 10-15 minutes if necessary.

      Another medication that may be used is midazolam oromucosal solution. However, it is important to note that this medication is unlicensed for use in neonates and children under 2 months old. The recommended dose for midazolam oromucosal solution also varies depending on the patient’s age and condition. For example, the dose for a child aged 1-4 years is 5 mg, while for an adult, it is 10 mg.

      In summary, managing seizures involves basic steps such as checking the airway and placing the patient in the recovery position. If the seizure is prolonged, benzodiazepines such as rectal diazepam or midazolam oromucosal solution may be necessary. It is important to follow the recommended dosage based on the patient’s age and condition.

    • This question is part of the following fields:

      • Neurology
      80.9
      Seconds
  • Question 10 - A 56-year-old construction worker comes in for evaluation. He has a history of...

    Correct

    • A 56-year-old construction worker comes in for evaluation. He has a history of osteoarthritis in his hands but no other significant medical history. Despite taking paracetamol regularly, he is still experiencing significant pain, particularly in the base of his thumbs. What would be the most appropriate next step in his management?

      Your Answer: Add topical ibuprofen

      Explanation:

      According to the 2008 NICE guidelines, the initial treatment for osteoarthritis should involve the administration of paracetamol and topical NSAIDs, particularly for knee and hand joints.

      The Role of Glucosamine in Osteoarthritis Management

      Osteoarthritis (OA) is a common condition that affects the joints, causing pain and stiffness. The National Institute for Health and Care Excellence (NICE) published guidelines in 2014 on the management of OA, which includes non-pharmacological and pharmacological treatments. Glucosamine, a normal constituent of glycosaminoglycans in cartilage and synovial fluid, has been studied for its potential benefits in OA management.

      Several double-blind randomized controlled trials (RCTs) have reported significant short-term symptomatic benefits of glucosamine in knee OA, including reduced joint space narrowing and improved pain scores. However, more recent studies have produced mixed results. The 2008 NICE guidelines do not recommend the use of glucosamine, and a 2008 Drug and Therapeutics Bulletin review advised against prescribing it on the NHS due to limited evidence of cost-effectiveness.

      Despite the conflicting evidence, some patients may still choose to use glucosamine as a complementary therapy for OA management. It is important for healthcare professionals to discuss the potential benefits and risks of glucosamine with their patients and to consider individual patient preferences and circumstances.

    • This question is part of the following fields:

      • Musculoskeletal
      24.1
      Seconds
  • Question 11 - A 50-year-old man residing in the UK has been diagnosed with pulmonary tuberculosis...

    Incorrect

    • A 50-year-old man residing in the UK has been diagnosed with pulmonary tuberculosis and his sputum test is positive for acid-fast bacilli. He has a medical history of hypertension and takes bendroflumethiazide and amlodipine. What is the recommended initial medication combination for him?

      Your Answer: Rifampicin and isoniazid

      Correct Answer: Rifampicin, isoniazid, pyrazinamide and ethambutol

      Explanation:

      Managing Tuberculosis: Treatment and Complications

      Tuberculosis is a serious infectious disease that requires prompt and effective treatment. The standard therapy for active tuberculosis involves an initial phase of two months, during which patients are given a combination of four drugs: rifampicin, isoniazid, pyrazinamide, and ethambutol. The continuation phase lasts for four months and involves the use of rifampicin and isoniazid. Patients with latent tuberculosis are typically treated with a combination of isoniazid and rifampicin for three or six months, depending on the severity of the infection.

      In some cases, patients may require prolonged treatment, particularly if they have meningeal tuberculosis. Steroids may be added to the treatment regimen in these cases. Directly observed therapy may also be necessary for certain groups, such as homeless individuals, prisoners, and patients who are likely to have poor concordance.

      While tuberculosis treatment is generally effective, there are some potential complications to be aware of. Immune reconstitution disease can occur several weeks after starting treatment and may present with enlarging lymph nodes. Drug adverse effects are also possible, with rifampicin being a potent liver enzyme inducer and isoniazid causing peripheral neuropathy. Pyrazinamide can cause hyperuricaemia and ethambutol may lead to optic neuritis, so it is important to monitor patients closely for any signs of adverse effects. Overall, with proper management and monitoring, tuberculosis can be successfully treated.

    • This question is part of the following fields:

      • Infectious Diseases
      226.8
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  • Question 12 - A 35-year-old woman visits her GP for a check-up of her diabetes medication....

    Correct

    • A 35-year-old woman visits her GP for a check-up of her diabetes medication. During the examination, the GP observes that the patient has unusually large hands and feet and prominent supraorbital ridges. After obtaining consent for a more detailed examination, the GP discovers acanthosis nigricans in the patient's neck, enlargement of her thyroid gland, and hepatomegaly. Besides diabetes, what other condition is frequently linked to acromegaly?

      Your Answer: Atrial fibrillation

      Explanation:

      Acromegaly is a medical condition caused by hypersecretion of growth hormone, which can lead to various health problems. One of the associated conditions is diabetes mellitus, as acromegaly is often linked with insulin resistance. Another condition is acanthosis nigricans, which involves hyperpigmentation of the skin. However, there is no general pigmentation associated with acromegaly.

      Cardiovascular disease is also a common association, which can increase the risk of atrial fibrillation. Left ventricular hypertrophy is another condition that can occur with acromegaly.

      Finally, ulnar nerve entrapment is not directly associated with acromegaly, but carpal tunnel syndrome affecting the median nerve is a common association.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      23.2
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  • Question 13 - A 25-year-old woman in her first trimester of pregnancy presents for a check-up....

    Incorrect

    • A 25-year-old woman in her first trimester of pregnancy presents for a check-up. She is experiencing a resurgence of her chronic acne and is interested in finding a solution. What should she steer clear of?

      Your Answer: Topical benzoyl peroxide

      Correct Answer: Topical isotretinoin

      Explanation:

      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
      7.7
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  • Question 14 - A 6-year-old girl from a travelling community is brought to the Emergency Department...

    Correct

    • A 6-year-old girl from a travelling community is brought to the Emergency Department with respiratory distress. Upon examination, she has a fever of 38.5ºC, stridor, and appears toxic. The medical team suspects acute epiglottitis. Which of the following pathogens is the most probable cause?

      Your Answer: Haemophilus influenzae

      Explanation:

      Incomplete immunisation may be a concern for patients belonging to travelling communities with regards to acute epiglottitis caused by Haemophilus influenzae type B.

      Acute epiglottitis is a rare but serious infection caused by Haemophilus influenzae type B. It is important to recognize and treat it promptly as it can lead to airway obstruction. Although it was once considered a disease of childhood, it is now more common in adults in the UK due to the immunization program. The incidence of epiglottitis has decreased since the introduction of the Hib vaccine. Symptoms include a rapid onset, high temperature, stridor, drooling of saliva, and a tripod position where the patient leans forward and extends their neck to breathe easier. Diagnosis is made by direct visualization, but x-rays may be done to rule out a foreign body.

      Immediate senior involvement is necessary, including those who can provide emergency airway support such as anaesthetics or ENT. Endotracheal intubation may be necessary to protect the airway. It is important not to examine the throat if epiglottitis is suspected due to the risk of acute airway obstruction. The diagnosis is made by direct visualization, but only senior staff who are able to intubate if necessary should perform this. Treatment includes oxygen and intravenous antibiotics.

    • This question is part of the following fields:

      • Paediatrics
      32.2
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  • Question 15 - A 26-year-old construction worker visits his GP complaining of elbow swelling that has...

    Correct

    • A 26-year-old construction worker visits his GP complaining of elbow swelling that has been present for three weeks. He reports that it started gradually and has no known triggers. The area is painful and warm to the touch, but he has no swelling in other parts of his body and feels generally well. The patient has a history of well-managed rheumatoid arthritis and is taking methotrexate, and has no other medical conditions. During the examination, the doctor detects a tender, soft, fluctuant mass on the back of the patient's elbow. Based on these findings, what is the most probable diagnosis?

      Your Answer: Olecranon bursitis

      Explanation:

      Olecranon bursitis is a condition that occurs when the olecranon bursa, a fluid-filled sac located over the olecranon process at the proximal end of the ulna, becomes inflamed. This bursa serves to reduce friction between the elbow joint and the surrounding soft tissues. Inflammation can be caused by trauma, infection, or systemic conditions such as rheumatoid arthritis or gout. It is also commonly known as student’s elbow due to the repetitive mild trauma of leaning on a desk using the elbows. The condition can be categorized as septic or non-septic depending on whether an infection is present.

      The condition is more common in men and typically presents between the ages of 30 and 60. Causes of olecranon bursitis include repetitive trauma, direct trauma, infection, gout, rheumatoid arthritis, and idiopathic reasons. Patients with non-septic olecranon bursitis typically present with swelling over the olecranon process, while some may also experience tenderness and erythema over the bursa. Patients with septic bursitis are more likely to have pain and fever.

      Signs of olecranon bursitis include swelling over the posterior aspect of the elbow, tenderness on palpation of the swollen area, redness and warmth of the overlying skin, fever, skin abrasion overlying the bursa, effusions in other joints if associated with rheumatoid arthritis, and tophi if associated with gout. Movement at the elbow joint should be painless until the swollen bursa is compressed in full flexion.

      Investigations are not always needed if a clinical diagnosis can be made and there is no concern about septic arthritis. However, if septic bursitis is suspected, aspiration of bursal fluid for microscopy and culture is essential. Purulent fluid suggests infection, while straw-colored bursal fluid favors a non-infective cause.

    • This question is part of the following fields:

      • Musculoskeletal
      76.3
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  • Question 16 - Which of the following statements is true for prostate cancer? ...

    Correct

    • Which of the following statements is true for prostate cancer?

      Your Answer: There is currently no screening programme for prostate cancer in the UK.

      Explanation:

      Prostate Cancer: Facts and Controversies

      Prostate cancer is the second most common cancer in men in developed countries, with an estimated one in six men being diagnosed with it in their lifetime. However, there is currently no screening programme for prostate cancer in the UK due to the controversial nature of PSA testing. PSA tests can yield unreliable results and may lead to unnecessary treatment for slow-growing tumours that may never cause symptoms or shorten life. Although treating prostate cancer in its early stages can be beneficial, the potential side effects of treatment may cause men to delay treatment until it is absolutely necessary.

      The 5-year relative survival rates for prostate cancer vary depending on the stage of the cancer at diagnosis, with local or regional prostate cancer having a survival rate of over 99%, while distant disease has a survival rate of 29%. The Gleason grade, tumour volume, and presence of capsular penetration or margin positivity are important indicators of prognosis for prostate cancer.

      Prostate cancer is also the second most common cause of cancer death in men, accounting for 8% of cancer deaths. Advanced prostate cancer may not involve pain, but can result in a range of symptoms including weight loss, anorexia, bone pain, neurological deficits, and lower extremity pain and oedema.

      Overall, prostate cancer remains a complex and controversial disease, with ongoing debates surrounding screening and treatment options.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      25
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  • Question 17 - A 35-year-old woman presents to the Emergency Department with a 2-day history of...

    Correct

    • A 35-year-old woman presents to the Emergency Department with a 2-day history of central abdominal pain, extreme thirst and polyuria. She has no past medical history but her mother and sister both have diabetes. She is noted to be breathing heavily with breath that smells of acetone. An urgent set of investigations is taken.
      Which of the following test results are most likely in this patient?
      Select the SINGLE most likely results from the list below.

      Your Answer: pH 7.21, partial pressure of pCO2 2.1 kPa, partial pressure of pO211.2 kPa, Na+ 131 mmol/l, K+ 3.1 mmol/l, HCO3 12 mmol/l, glucose 31 mmol/l, ketones 4.2 mmol/l

      Explanation:

      Interpreting Blood Test Results: Distinguishing Diabetic Ketoacidosis from Other Conditions

      Diabetic ketoacidosis (DKA) is a life-threatening condition that requires urgent treatment. It can occur as a complication of existing type I diabetes mellitus (DM) or be the first presentation of type I DM. To diagnose DKA, the Joint British Diabetes Societies have established specific criteria, including a blood glucose of more than 11 mmol/l or known DM, a venous pH of less than 7.3 and/or a serum bicarbonate of less than 15 mmol/l, and ketonaemia of more than 3 mmol/l or ketonuria 2+ on dipstick.

      When interpreting blood test results, it is important to distinguish DKA from other conditions that may present with similar symptoms. For example, a metabolic acidosis may indicate DKA, but it would also be present in other conditions. In DKA, you would expect a combination of high blood glucose, low pH and serum bicarbonate, and high ketone levels.

      Normal blood test results would rule out DKA, but hyperkalaemia may be present despite low total body potassium levels. Potassium levels may need to be monitored and adjusted during treatment. Respiratory alkalosis, indicated by low pCO2 and high pH, would suggest hyperventilation rather than DKA.

      In summary, interpreting blood test results is crucial in diagnosing and distinguishing DKA from other conditions. Understanding the specific criteria for DKA diagnosis and recognizing the patterns of abnormal results can help healthcare professionals provide timely and appropriate treatment.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      27.2
      Seconds
  • Question 18 - A 67-year-old man comes to the emergency department complaining of feeling generally unwell...

    Correct

    • A 67-year-old man comes to the emergency department complaining of feeling generally unwell and feverish for 3 days. During the examination, coarse crackles and dullness to percussion were detected in the right lung base.
      What is the most probable diagnosis?

      Your Answer: Lobar pneumonia

      Explanation:

      Differentiating Lobar Pneumonia from Other Respiratory Conditions

      Lobar pneumonia is the most common cause of focal crackles and dullness in the lower zone. However, it is important to differentiate it from other respiratory conditions with similar symptoms. Empyema, for example, is associated with high fevers, night sweats, chest pain, cough, breathlessness, and fatigue. Bronchiectasis, on the other hand, is characterized by a persistent dry cough with copious purulent sputum and occasional haemoptysis. Congestive cardiac failure usually causes bilateral crepitations and peripheral oedema, while pulmonary embolism may cause reduced breath sounds and acute breathlessness, pleuritic chest pain, haemoptysis, dizziness, or syncope. By carefully assessing the patient’s symptoms and conducting appropriate tests, healthcare professionals can accurately diagnose and treat respiratory conditions.

    • This question is part of the following fields:

      • Respiratory Medicine
      64.5
      Seconds
  • Question 19 - An 88-year-old man with known metastatic prostate cancer is brought to the emergency...

    Correct

    • An 88-year-old man with known metastatic prostate cancer is brought to the emergency department confused. He is unable to provide further history but reports feeling generally unwell. Upon examination, his chest is clear, heart sounds normal, and abdomen is soft with no tenderness. The initial blood tests reveal:
      - Na+ 134 mmol/l
      - K+ 4.7 mmol/l
      - Urea 7.8 mmol/l
      - Creatinine 104 µmol/l
      - Adjusted Ca2+ 3.5 mmol/l
      - Mg2+ 0.81 mmol/l

      What would be your initial treatment plan?

      Your Answer: IV fluids

      Explanation:

      Severe cases (>3.0 mmol/l) requiring admission are often caused by malignancy, as seen in this patient. Treatment involves obtaining IV access and conducting appropriate biochemistry tests to check for other electrolyte abnormalities. A chest x-ray and ECG should also be performed. The first intervention should be fluid resuscitation to replace the deficit and maintain hydration, which may require large volumes (3-4 litres in the first 24 hours). If hypercalcaemia persists, IV bisphosphonates like zoledronate or pamidronate can be administered. Specific anticancer therapies can be considered after this.

      Managing Hypercalcaemia

      Hypercalcaemia is a condition where there is an excess of calcium in the blood. The initial management of hypercalcaemia involves rehydration with normal saline, typically 3-4 litres per day. This helps to flush out the excess calcium from the body. Once rehydration is achieved, bisphosphonates may be used to further lower the calcium levels. These drugs take 2-3 days to work, with maximal effect being seen at 7 days.

      Calcitonin is another option for managing hypercalcaemia. It works quicker than bisphosphonates but is less commonly used due to its short duration of action. Steroids may be used in sarcoidosis, a condition that can cause hypercalcaemia.

      Loop diuretics such as furosemide may also be used in hypercalcaemia, particularly in patients who cannot tolerate aggressive fluid rehydration. However, they should be used with caution as they may worsen electrolyte derangement and volume depletion.

      In summary, the management of hypercalcaemia involves rehydration with normal saline followed by the use of bisphosphonates or other medications depending on the underlying cause of the condition. It is important to monitor electrolyte levels and adjust treatment accordingly to prevent complications.

    • This question is part of the following fields:

      • Haematology/Oncology
      23.7
      Seconds
  • Question 20 - A 25-year-old woman with a history of type 1 diabetes mellitus presents at...

    Correct

    • A 25-year-old woman with a history of type 1 diabetes mellitus presents at the emergency department complaining of vomiting and abdominal pain. Upon examination, she appears dehydrated. The following are some of her blood test results:
      pH 7.23 (7.35-7.45)
      pCO2 2.1 kPa (4.5-6.0)
      pO2 11.2 kPa (10-14)
      Na+ 135 mmol/L (135-145)
      K+ 3.1 mmol/L (3.5-5.0)
      Bicarbonate 13 mmol/L (22-28)
      Glucose 22.4 mmol/L (<11.1)
      Ketones 3.6 mmol/L (<0.6)

      Question: What should be done with her regular insulin during her treatment?

      Your Answer: Continue long-acting insulin and stop short-acting insulin

      Explanation:

      In the management of DKA, it is important to continue the patient’s regular long-acting insulin while stopping their short-acting insulin. Fixed-rate insulin and fluids should also be administered. Continuing short-acting insulin may lead to hypoglycaemia, so it should be stopped until the patient is stable. Increasing the dose of both long-acting and short-acting insulin is not recommended.

      Diabetic ketoacidosis (DKA) is a serious complication of type 1 diabetes mellitus, accounting for around 6% of cases. It can also occur in rare cases of extreme stress in patients with type 2 diabetes mellitus. However, mortality rates have decreased from 8% to under 1% in the past 20 years. DKA is caused by uncontrolled lipolysis, resulting in an excess of free fatty acids that are ultimately converted to ketone bodies. The most common precipitating factors of DKA are infection, missed insulin doses, and myocardial infarction. Symptoms include abdominal pain, polyuria, polydipsia, dehydration, Kussmaul respiration, and acetone-smelling breath. Diagnostic criteria include glucose levels above 13.8 mmol/l, pH below 7.30, serum bicarbonate below 18 mmol/l, anion gap above 10, and ketonaemia.

      Management of DKA involves fluid replacement, insulin, and correction of electrolyte disturbance. Most patients with DKA are depleted around 5-8 litres, and isotonic saline is used initially, even if the patient is severely acidotic. Insulin is administered through an intravenous infusion, and correction of electrolyte disturbance is necessary. Long-acting insulin should be continued, while short-acting insulin should be stopped. DKA resolution is defined as pH above 7.3, blood ketones below 0.6 mmol/L, and bicarbonate above 15.0mmol/L. Complications may occur from DKA itself or the treatment, such as gastric stasis, thromboembolism, arrhythmias, acute respiratory distress syndrome, acute kidney injury, and cerebral oedema. Children and young adults are particularly vulnerable to cerebral oedema following fluid resuscitation in DKA and often need 1:1 nursing to monitor neuro-observations.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      50.3
      Seconds
  • Question 21 - What is the primary mode of action of Cerazette (desogestrel)? ...

    Incorrect

    • What is the primary mode of action of Cerazette (desogestrel)?

      Your Answer: Toxic to sperm

      Correct Answer: Inhibits ovulation

      Explanation:

      Types of Progestogen Only Pills

      Progestogen only pills (POPs) are a type of birth control pill that contain only progestogen hormone. There are two generations of POPs, with the second generation including norethisterone, levonorgestrel, and ethynodiol diacetate. The third generation of POPs includes desogestrel, which is also known as Cerazette. This new type of POP is highly effective in inhibiting ovulation in most women. One of the advantages of Cerazette is that users can take the pill up to 12 hours late, which is longer than the 3-hour window for other POPs. Overall, there are different types of POPs available, and women can choose the one that best suits their needs and preferences.

    • This question is part of the following fields:

      • Reproductive Medicine
      14.2
      Seconds
  • Question 22 - A 16-year-old boy with Marfan syndrome is seen in the Cardiology Clinic. He...

    Correct

    • A 16-year-old boy with Marfan syndrome is seen in the Cardiology Clinic. He has been researching possible complications of his condition online and is worried about potential cardiac issues.
      Which of the following cardiac abnormalities is most probable in this patient?

      Your Answer: Aortic regurgitation

      Explanation:

      Cardiac Abnormalities Associated with Marfan Syndrome

      Marfan syndrome is commonly associated with cardiac abnormalities, with aortic root dilatation being the most prevalent, found in approximately 80% of cases. This can lead to aortic regurgitation and even dissection. While there is some evidence of a slight increase in atrial septal defects in Marfan syndrome patients, it is not as common as aortic regurgitation or mitral valve prolapse. Dilated cardiomyopathy can also present in Marfan syndrome patients, although it is not as prevalent as aortic root dilatation or regurgitation. Pulmonary regurgitation is also increased in incidence in Marfan syndrome, but it is still less common than aortic regurgitation. Finally, while persistent ductus arteriosus is more commonly found in Marfan syndrome patients than in the general population, the association is relatively weak. Overall, Marfan syndrome patients should be monitored closely for these cardiac abnormalities to ensure proper management and treatment.

    • This question is part of the following fields:

      • Cardiovascular
      61.8
      Seconds
  • Question 23 - A 67-year-old man is brought to the emergency department by his daughter who...

    Correct

    • A 67-year-old man is brought to the emergency department by his daughter who is worried about his confusion after a recent chest infection. She mentions that he did not get better even after taking amoxicillin. During the examination, crackles are heard on the left side of his chest and his vital signs show a respiratory rate of 28/min, blood pressure of 90/60 mmHg, and heart rate of 110/min.

      What would be the suitable fluid therapy to administer?

      Your Answer: 500ml stat

      Explanation:

      This individual displays several indicators of red flag sepsis, such as confusion, hypotension, and elevated respiratory rate. It is imperative to initiate the sepsis 6 protocol.
      According to the NICE guidelines for sepsis, when administering intravenous fluid resuscitation to patients aged 16 and above, it is recommended to use crystalloids containing sodium levels between 130-154 mmol/litre, with a 500 ml bolus administered in less than 15 minutes.

      Understanding Sepsis: Classification and Management

      Sepsis is a life-threatening condition caused by a dysregulated host response to an infection. In recent years, the classification of sepsis has changed, with the old category of severe sepsis no longer in use. Instead, the Surviving Sepsis Guidelines now recognize sepsis as life-threatening organ dysfunction caused by a dysregulated host response to infection, and septic shock as a more severe form of sepsis. The term ‘systemic inflammatory response syndrome (SIRS)’ has also fallen out of favor.

      To manage sepsis, it is important to identify and treat the underlying cause of the infection and support the patient regardless of the cause or severity. However, if any red flags are present, the ‘sepsis six’ should be started immediately. This includes administering oxygen, taking blood cultures, giving broad-spectrum antibiotics, giving intravenous fluid challenges, measuring serum lactate, and measuring accurate hourly urine output.

      NICE released its own guidelines in 2016, which focus on the risk stratification and management of patients with suspected sepsis. For risk stratification, NICE recommends using red flag and amber flag criteria. If any red flags are present, the sepsis six should be started immediately. If any amber flags are present, the patient should be closely monitored and managed accordingly.

      To help identify and categorize patients, the Sequential (Sepsis-Related) Organ Failure Assessment Score (SOFA) is increasingly used. The score grades abnormality by organ system and accounts for clinical interventions. A SOFA score of 2 or more reflects an overall mortality risk of approximately 10% in a general hospital population with suspected infection. Even patients presenting with modest dysfunction can deteriorate further, emphasizing the seriousness of this condition and the need for prompt and appropriate intervention.

    • This question is part of the following fields:

      • Infectious Diseases
      16.2
      Seconds
  • Question 24 - A 32-year-old woman presents to her General Practitioner with generalised fatigue and polyuria....

    Correct

    • A 32-year-old woman presents to her General Practitioner with generalised fatigue and polyuria. These symptoms started three months ago but became much more pronounced in the preceding hour.
      At the clinic, she also starts complaining of extreme thirst and mild lower back pain. She is noted to be breathing heavily, with her breath smelling of acetone.
      Which of the following is the likely diagnosis?

      Your Answer: Diabetic ketoacidosis (DKA)

      Explanation:

      The patient’s symptoms of general fatigue and polyuria suggest the possibility of type I diabetes, which can lead to diabetic ketoacidosis (DKA). DKA can occur as a complication of existing type I diabetes or as the first presentation of the disease. In rare cases, extreme stress can also cause DKA in patients with type II diabetes. DKA is caused by uncontrolled lipolysis, resulting in excess free fatty acids that are converted to ketone bodies. Common triggers include infection, missed insulin doses, and myocardial infarction.

      Anxiety attacks can cause heavy breathing and abdominal pain, but they do not explain the polyuria, polydipsia, and pear-drops-smelling breath. Symptoms of anxiety attacks include chest pain, palpitations, nausea and vomiting, sweating, insomnia, flushing, tremor, and urinary frequency.

      Acute pancreatitis should be ruled out in cases of central abdominal pain. Symptoms of acute pancreatitis include severe epigastric pain radiating to the back, vomiting, epigastric tenderness, ileus, and low-grade fever. Cullen’s sign and Grey-Turner’s sign are rare.

      Addison’s disease, the most common cause of primary hypoadrenalism in the UK, can present similarly to this case with general fatigue and abdominal pain. Other symptoms of Addison’s disease include anorexia, nausea and vomiting, weight loss, salt-craving, hyperpigmentation, vitiligo, loss of pubic hair in women, hypotension, hypoglycaemia, hyponatraemia, and hyperkalaemia.

      Hyperparathyroidism can also cause polyuria, polydipsia, and abdominal pain, but the Kussmaul respiration and pear-drops-smelling breath suggest a likely diagnosis of DKA. Symptoms of hyperparathyroidism include bone pain, osteopenia and osteoporosis, increased risk of kidney stones, constipation, nausea, vomiting and abdominal pain, and fatigue, depression, and memory impairment, all of which are symptoms of underlying hypercalcaemia.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      109.4
      Seconds
  • Question 25 - A 45-year-old man is diagnosed with end-stage renal disease. What is the most...

    Incorrect

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

      Your Answer: Congestive heart failure

      Correct Answer: Carpal tunnel syndrome

      Explanation:

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

    • This question is part of the following fields:

      • Renal Medicine/Urology
      9.6
      Seconds
  • Question 26 - A 56-year-old man visits his doctor. He was prescribed fluoxetine for depression eight...

    Correct

    • A 56-year-old man visits his doctor. He was prescribed fluoxetine for depression eight weeks ago and now wants to discontinue the medication as he feels much better. What advice should be given regarding his treatment?

      Your Answer: It should be continued for at least 6 months

      Explanation:

      The risk of relapse is significantly decreased, and patients should be comforted by the fact that antidepressants are non-addictive.

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

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

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

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

    • This question is part of the following fields:

      • Psychiatry
      106.8
      Seconds
  • Question 27 - A 6-month-old girl has been brought in to the Emergency Department after an...

    Correct

    • A 6-month-old girl has been brought in to the Emergency Department after an episode of rectal bleeding. Her parents tell you that she appears to be suffering from abdominal pain since this morning, drawing her legs up into the fetal position, and has eaten very little, which is unlike her. She vomited about three times and then passed bloody stools. When you ask for further details, the parents tell you that the stool was jelly-like red and very slimy. The parents started weaning the child one month ago and only give her baby food.
      On examination, the child has right lower abdominal tenderness and her mucous membranes look dehydrated. Her capillary refill time is four seconds and you can vaguely feel some sort of mass in her right lower abdomen.
      What is the most likely diagnosis?

      Your Answer: Intussusception

      Explanation:

      Common Gastrointestinal Disorders in Toddlers

      Intussusception is a common gastrointestinal disorder in toddlers, typically affecting those aged 9-12 months. Symptoms include slimy or jelly-like red stools, abdominal pain, and a palpable mass or fullness. Diagnosis is made through ultrasound imaging and treatment usually involves an enema, although surgery may be necessary in complicated cases.

      Pyloric stenosis is another disorder that can occur in the first few weeks of a baby’s life. It causes forceful projectile vomiting immediately after feeds and is diagnosed through ultrasound imaging. Treatment involves surgery with a pyloromyotomy.

      Campylobacter-related gastroenteritis is rare in toddlers, especially considering that they typically only consume baby food.

      Colorectal cancer is almost unheard of in this age group.

      Hirschsprung’s disease is a congenital disorder that causes bowel obstruction, resulting in vomiting and failure to pass stools. It is typically diagnosed through a rectal biopsy and treated with surgical removal of the affected part of the bowel.

    • This question is part of the following fields:

      • Paediatrics
      20.1
      Seconds
  • Question 28 - Which of the following is most commonly linked to elevated levels of CA...

    Incorrect

    • Which of the following is most commonly linked to elevated levels of CA 19-9?

      Your Answer: Ovarian cancer

      Correct Answer: Pancreatic cancer

      Explanation:

      CA 19-9 and Pancreatic Cancer

      Understanding Tumour Markers

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

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

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

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

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

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      9.2
      Seconds
  • Question 29 - A 26-year-old woman presents to gastroenterology clinic with severe ulcerative colitis. Before starting...

    Incorrect

    • A 26-year-old woman presents to gastroenterology clinic with severe ulcerative colitis. Before starting azathioprine to improve her symptoms, what potential contraindications should be ruled out?

      Your Answer: Glucose-6-phosphate-dehydrogenase (G6PD) deficiency

      Correct Answer: Thiopurine methyltransferase deficiency (TPMT)

      Explanation:

      Azathioprine is a medication that is broken down into mercaptopurine, which is an active compound that inhibits the production of purine. To determine if someone is at risk for azathioprine toxicity, a test for thiopurine methyltransferase (TPMT) may be necessary. Adverse effects of this medication include bone marrow depression, which can be detected through a full blood count if there are signs of infection or bleeding, as well as nausea, vomiting, pancreatitis, and an increased risk of non-melanoma skin cancer. It is important to note that there is a significant interaction between azathioprine and allopurinol, so lower doses of azathioprine should be used in conjunction with allopurinol. Despite these potential side effects, azathioprine is generally considered safe to use during pregnancy.

    • This question is part of the following fields:

      • Musculoskeletal
      31.9
      Seconds
  • Question 30 - A 45-year-old woman, who is a non-smoker, presents with back pain. A bone...

    Correct

    • A 45-year-old woman, who is a non-smoker, presents with back pain. A bone scan shows multiple lesions highly suggestive of metastases. Clinical examination is normal apart from unilateral axillary lymphadenopathy. Excision biopsy of an affected lymph node shows adenocarcinoma. Which of the following investigations should be prioritised to find the site of the primary?

      Your Answer: Mammography

      Explanation:

      When a patient presents with metastatic bone disease from an unknown primary, it is important to identify the primary source in order to guide treatment and determine prognosis. Tumours that commonly metastasize to bone include those of the lungs, prostate, breast, kidney, and thyroid.

      In cases where the patient has unilateral axillary lymphadenopathy, metastatic breast carcinoma is highly likely. Other potential causes of unilateral axillary lymphadenopathy include lymphoma, primary malignancy, melanoma, or metastases from non-breast primary malignancy.

      While there are various investigations that can be performed, mammography should be the first examination of choice. If the mammogram is negative, other investigations may be pursued to identify alternative occult sites.

      It is important to note that identifying the primary source is useful even in cases of metastatic disease, as it can guide treatment and provide insight into prognosis. Therefore, mammography plays a crucial role in the diagnosis of metastatic breast cancer.

    • This question is part of the following fields:

      • Haematology/Oncology
      39.5
      Seconds
  • Question 31 - A 4-year-old girl is brought to the clinic with a history of fever...

    Incorrect

    • A 4-year-old girl is brought to the clinic with a history of fever with chills, vomiting, abdominal discomfort and loose stools for the past three days. Urine examination reveals the presence of white blood cells.
      What is a notable characteristic of urinary tract infections (UTIs) in young children?

      Your Answer: They are associated with anatomical abnormalities in more than half of the cases

      Correct Answer: Diarrhoea can be a presenting feature

      Explanation:

      Understanding Urinary Tract Infections in Children

      Urinary tract infections (UTIs) are common in children and can present with a variety of symptoms. In older children, diarrhoea with or without mucus may be a presenting symptom, especially with E. coli infection. While amoxicillin is a commonly used antibiotic, current guidelines recommend trimethoprim or nitrofurantoin for lower UTIs and co-amoxiclav for upper UTIs.

      Anatomical abnormalities of the urinary tract increase a child’s susceptibility to UTIs, but they are not present in the majority of cases. Imaging studies are not necessary for infants and children with a first episode of cystitis or a first febrile UTI who respond well to treatment and have a normal voiding pattern. Ultrasonography is the preferred imaging study for children with UTIs.

      Escherichia coli is the most common organism isolated in paediatric UTIs, but other organisms such as fungi and viruses can also cause infection. Poor containment of infection is more common in infants younger than 2 months, and UTIs can spread to the kidneys and bloodstream if left untreated.

      Understanding the symptoms and treatment options for UTIs in children is important for prompt diagnosis and management.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      40
      Seconds
  • Question 32 - A 32-year-old man presents to his General Practitioner with a 3-day history of...

    Correct

    • A 32-year-old man presents to his General Practitioner with a 3-day history of flu-like symptoms and jaundice. He is a prison doctor. He sustained a needlestick injury six weeks ago from a high-risk patient after performing venepuncture. He immediately presented to the Emergency Department (ED) and was given a booster vaccination and post-exposure prophylaxis (PPE) treatment for human immunodeficiency virus (HIV). He is awaiting blood-borne virus (BBV) screening.
      What is the most likely diagnosis?
      Select ONE option only.

      Your Answer: Hepatitis C

      Explanation:

      Overview of Viral Hepatitis: Types, Transmission, and Risk Factors

      Viral hepatitis is a group of infectious diseases that affect the liver and can cause serious health complications. There are five main types of viral hepatitis: A, B, C, D, and E. Each type has its own unique characteristics, transmission routes, and risk factors.

      Hepatitis A is transmitted via the faecal-oral route and is most common in developing countries. It can cause symptoms similar to other types of viral hepatitis, but is less severe. Hepatitis B is transmitted via blood-to-blood and bloody fluid contact, and is most prevalent in migrant populations from certain regions. Hepatitis C is highly infectious and is commonly transmitted through shared needles or other injecting paraphernalia used for illicit drugs. Hepatitis D is a rare type of viral hepatitis that can only occur in patients with existing hepatitis B infection. Hepatitis E is also transmitted via the faecal-oral route, but is less common and usually only causes mild illness.

      If a healthcare professional sustains a needlestick injury or other high-risk exposure to hepatitis C, they should have blood tests taken at specific intervals to confirm active infection. Hepatitis B vaccination is recommended for individuals working in high-risk clinical areas, and can also prevent hepatitis D infection. Chronic infection is rare for hepatitis E, unless the affected person is immunocompromised.

      Understanding the different types of viral hepatitis, their transmission routes, and risk factors is important for preventing and managing these infections.

    • This question is part of the following fields:

      • Immunology/Allergy
      18.6
      Seconds
  • Question 33 - A 42-year-old woman with a history of angina and a recent episode of...

    Correct

    • A 42-year-old woman with a history of angina and a recent episode of dizziness is prescribed clopidogrel.
      What is the primary mechanism of action of this medication?

      Your Answer: Blocks platelet adenosine diphosphate (ADP) receptors

      Explanation:

      Clopidogrel inhibits platelet activation by blocking the binding of adenosine diphosphate (ADP) to the platelet P2Y12 receptor. This is achieved by preventing the activation of the glycoprotein GPIIa/IIIb. It is recommended by NICE for secondary prevention following a cerebrovascular accident or in peripheral arterial disease. It can also be used in combination with aspirin for the management of ischaemic heart disease or for patients undergoing percutaneous transluminal coronary intervention.

      Tirofiban and abciximab are drugs that block glycoprotein IIIb/IIIa receptors, preventing platelet aggregation by blocking fibrinogen from binding to platelet receptors. These drugs are used under specialist supervision only for the treatment of acute ST elevation myocardial infarction or during percutaneous transluminal coronary intervention.

      Hirudin, produced by leeches, blocks thrombin receptors. Bivalirudin, a hirudin analogue, is used for the acute management of acute coronary syndrome or during PCI.

      Aspirin inhibits thromboxane production by blocking the enzyme cyclooxygenase (COX).

      Heparin binds to antithrombin III, activating it, which reduces the activity of thrombin and factor Xa. Heparin is an anticoagulant and plays a role in the treatment of venous thromboembolism, while clopidogrel is an anti-platelet agent.

    • This question is part of the following fields:

      • Cardiovascular
      14.1
      Seconds
  • Question 34 - A 28-year-old female visited her doctor complaining of a 3-week history of excessive...

    Correct

    • A 28-year-old female visited her doctor complaining of a 3-week history of excessive malodorous vaginal discharge. Microscopy revealed the presence of clue cells, and she was diagnosed with Gardnerella vaginalis-induced bacterial vaginosis.
      What would be the appropriate treatment option?

      Your Answer: Metronidazole

      Explanation:

      Common Antibiotics and Antifungals: Uses and Dosages

      Metronidazole, Azithromycin, Co-amoxiclav, Fluconazole, and Nystatin are common antibiotics and antifungals used to treat various infections. Metronidazole is recommended for bacterial vaginosis and can be taken orally or applied topically. Azithromycin is used for Chlamydia, gonorrhea, and chancroid. Co-amoxiclav is a broad-spectrum antibiotic used for respiratory and urinary tract infections, among others. Fluconazole is an oral antifungal used for severe oral and vaginal candidiasis. Nystatin is an antifungal used for oral candidiasis. Dosages and treatment durations vary depending on the specific infection being treated.

    • This question is part of the following fields:

      • Infectious Diseases
      24.3
      Seconds
  • Question 35 - A 26-year-old man presents to the emergency department with complaints of left eye...

    Correct

    • A 26-year-old man presents to the emergency department with complaints of left eye pain. He has been unable to wear his contact lenses for the past day due to the severity of the pain. He describes the pain as intense and wonders if there is something lodged in his eye. Upon examination, diffuse hyperemia is observed in the left eye. The left cornea appears hazy, and there is a hypopyon present. Pupillary reaction is normal, but visual acuity is reduced on the left side, and the patient experiences some photophobia. What is the most probable diagnosis?

      Your Answer: Keratitis

      Explanation:

      A hypopyon in anterior uveitis can be seen, but a normal pupillary reaction and contact lens use suggest a diagnosis of keratitis.

      Understanding Keratitis: Inflammation of the Cornea

      Keratitis is a condition that refers to the inflammation of the cornea. While conjunctivitis is a common eye infection that is not usually serious, microbial keratitis can be sight-threatening and requires urgent evaluation and treatment. The causes of keratitis can vary, with bacterial infections typically caused by Staphylococcus aureus and Pseudomonas aeruginosa commonly seen in contact lens wearers. Fungal and amoebic infections can also cause keratitis, with acanthamoebic keratitis accounting for around 5% of cases. Parasitic infections such as onchocercal keratitis can also cause inflammation of the cornea.

      Other factors that can cause keratitis include viral infections such as herpes simplex keratitis, environmental factors like photokeratitis (e.g. welder’s arc eye), and exposure keratitis. Clinical features of keratitis include a red eye with pain and erythema, photophobia, a foreign body sensation, and the presence of hypopyon. Referral is necessary for contact lens wearers who present with a painful red eye, as an accurate diagnosis can only be made with a slit-lamp examination.

      Management of keratitis involves stopping the use of contact lenses until symptoms have fully resolved, as well as the use of topical antibiotics such as quinolones. Cycloplegic agents like cyclopentolate can also be used for pain relief. Complications of keratitis can include corneal scarring, perforation, endophthalmitis, and visual loss. Understanding the causes and symptoms of keratitis is important for prompt diagnosis and treatment to prevent serious complications.

    • This question is part of the following fields:

      • Ophthalmology
      3575.7
      Seconds
  • Question 36 - A 25-year-old man with a history of bipolar disorder is scheduled for a...

    Incorrect

    • A 25-year-old man with a history of bipolar disorder is scheduled for a medication review. When inquiring about his current state, he starts discussing the vast array of emotions that exist and wonders if everyone has experienced all of them. Eventually, he spontaneously mentions that he is feeling quite good.
      What is the patient exhibiting in this scenario?

      Your Answer: Tangentiality

      Correct Answer: Circumstantiality

      Explanation:

      The patient’s lengthy response to the question suggests circumstantiality, which can be a symptom of anxiety disorders or hypomania. However, the patient has remained on topic and has not derailed. Their response is coherent, and there is no evidence of pressured speech in this text-based interaction. Incoherence would be demonstrated by nonsensical statements, which is not the case here.

      Anxiety is a common disorder that can manifest in various ways. According to NICE, the primary feature is excessive worry about multiple events associated with heightened tension. It is crucial to consider potential physical causes when diagnosing anxiety disorders, such as hyperthyroidism, cardiac disease, and medication-induced anxiety. Medications that may trigger anxiety include salbutamol, theophylline, corticosteroids, antidepressants, and caffeine.

      NICE recommends a step-wise approach for managing generalised anxiety disorder (GAD). This includes education about GAD and active monitoring, low-intensity psychological interventions, high-intensity psychological interventions or drug treatment, and highly specialist input. Sertraline is the first-line SSRI for drug treatment, and if it is ineffective, an alternative SSRI or a serotonin-noradrenaline reuptake inhibitor (SNRI) such as duloxetine or venlafaxine may be offered. If the patient cannot tolerate SSRIs or SNRIs, pregabalin may be considered. For patients under 30 years old, NICE recommends warning them of the increased risk of suicidal thinking and self-harm and weekly follow-up for the first month.

      The management of panic disorder also follows a stepwise approach, including recognition and diagnosis, treatment in primary care, review and consideration of alternative treatments, review and referral to specialist mental health services, and care in specialist mental health services. NICE recommends either cognitive behavioural therapy or drug treatment in primary care. SSRIs are the first-line drug treatment, and if contraindicated or no response after 12 weeks, imipramine or clomipramine should be offered.

    • This question is part of the following fields:

      • Psychiatry
      25.2
      Seconds
  • Question 37 - A 55-year-old woman presents to the Emergency Department with a sudden-onset blurring of...

    Correct

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

      Your Answer: Intravenous (IV) labetalol

      Explanation:

      Misconceptions about Treatment for Hypertensive Retinopathy

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

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

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

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

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

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

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

    • This question is part of the following fields:

      • Ophthalmology
      123.9
      Seconds
  • Question 38 - A 50-year-old woman comes to the clinic complaining of an itchy papular rash...

    Correct

    • A 50-year-old woman comes to the clinic complaining of an itchy papular rash on her palms and forearms. The rash has white lines visible across its surface and scratching has worsened it. Additionally, she has noticed thinning of her nails with longitudinal ridges visible. What is the most appropriate first-line treatment?

      Your Answer: Potent topical steroids

      Explanation:

      The primary treatment for lichen planus is potent topical steroids. Emollients are not effective for this condition, and oral steroids may only be necessary in severe or resistant cases. Calcipotriol, a synthetic vitamin D derivative, is used for psoriasis and not lichen planus. Fusidic acid is an antibiotic used for staphylococcal skin infections, such as impetigo, and is not indicated for 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
      35.4
      Seconds
  • Question 39 - A 75-year-old man complains of persistent ringing in his left ear for the...

    Correct

    • A 75-year-old man complains of persistent ringing in his left ear for the past 4 months. He has also noticed a decline in hearing from his left ear over the past 2 weeks. During the examination, Rinne's test reveals that air conduction is louder than bone conduction in the left ear, and Weber's test shows lateralisation to the right ear. Which of the following conditions is likely to present with unilateral tinnitus and hearing loss?

      Your Answer: Acoustic neuroma

      Explanation:

      The traditional presentation of vestibular schwannoma involves a blend of symptoms such as vertigo, hearing impairment, tinnitus, and a missing corneal reflex.

      An acoustic neuroma is typically linked to one-sided tinnitus and hearing loss.

      Tinnitus and deafness are not commonly associated with multiple sclerosis (MS), which is a condition characterized by demyelination.

      Chronic otitis media is a persistent inflammation of the middle ear and mastoid cavity, which is marked by recurring otorrhoea and conductive hearing loss.

      Understanding Vestibular Schwannoma (Acoustic Neuroma)

      Vestibular schwannoma, also known as acoustic neuroma, is a type of brain tumor that accounts for 5% of intracranial tumors and 90% of cerebellopontine angle tumors. The condition is characterized by a combination of symptoms such as vertigo, hearing loss, tinnitus, and an absent corneal reflex. The affected cranial nerves can predict the features of the condition. For instance, cranial nerve VIII can cause vertigo, unilateral sensorineural hearing loss, and unilateral tinnitus. On the other hand, cranial nerve V can lead to an absent corneal reflex, while cranial nerve VII can cause facial palsy.

      Bilateral vestibular schwannomas are often seen in neurofibromatosis type 2. The diagnosis of vestibular schwannoma is made through an MRI of the cerebellopontine angle, and audiometry is also important since only 5% of patients have a normal audiogram.

      The management of vestibular schwannoma involves surgery, radiotherapy, or observation. The choice of treatment depends on the size and location of the tumor, the patient’s age and overall health, and the severity of symptoms. In conclusion, understanding vestibular schwannoma is crucial in managing the condition effectively.

    • This question is part of the following fields:

      • ENT
      34.3
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  • Question 40 - A 50-year-old man arrives at the emergency department following a serious car accident...

    Correct

    • A 50-year-old man arrives at the emergency department following a serious car accident resulting in chest injuries. The paramedics had trouble establishing IV access. Upon arrival, he is unresponsive with a ventricular fibrillation ECG. ALS is initiated, but multiple attempts at cannulation fail. However, successful intubation is achieved.
      What is the best course of action for administering ALS medications in this scenario?

      Your Answer: Intraosseous line insertion

      Explanation:

      If it is not possible to obtain IV access in ALS, medications should be administered through the intraosseous route (IO) instead of the tracheal route, which is no longer advised.

      The 2015 Resus Council guidelines for adult advanced life support outline the steps to be taken when dealing with patients with shockable and non-shockable rhythms. For both types of patients, chest compressions are a crucial part of the process, with a ratio of 30 compressions to 2 ventilations. Defibrillation is recommended for shockable rhythms, with a single shock for VF/pulseless VT followed by 2 minutes of CPR. Adrenaline and amiodarone are the drugs of choice for non-shockable rhythms, with adrenaline given as soon as possible and amiodarone administered after 3 shocks for VF/pulseless VT. Thrombolytic drugs should be considered if a pulmonary embolus is suspected. Atropine is no longer recommended for routine use in asystole or PEA. Oxygen should be titrated to achieve saturations of 94-98% following successful resuscitation. The Hs and Ts should be considered as potential reversible causes of cardiac arrest.

    • This question is part of the following fields:

      • Cardiovascular
      14.6
      Seconds
  • Question 41 - In a 20-year-old man with primary generalised epilepsy, what is the most suitable...

    Correct

    • In a 20-year-old man with primary generalised epilepsy, what is the most suitable initial oral treatment option?

      Your Answer: Valproate

      Explanation:

      First-Line Treatments for Seizures: A Guide to Medications

      When it comes to treating seizures, there are several medications available. However, not all medications are suitable for every type of seizure. Here is a breakdown of some commonly used medications and their recommended uses:

      Valproate: This medication is recommended as a first-line treatment for children, young people, and adults with newly diagnosed generalized tonic-clonic seizures. However, it is important to be aware of the teratogenic and developmental risks associated with valproate.

      Carbamazepine: This medication is recommended as a first-line treatment for new-onset focal seizures, but not for generalized seizures.

      Topiramate: While topiramate is not routinely used as a first-line treatment for any type of seizure, it can be used as an adjunct.

      Phenytoin: This medication is useful as a rescue medication in status epilepticus, but should not be considered first-line for any seizure type due to troublesome long-term side effects.

      Phenobarbital: This medication is now rarely used for seizures due to its unacceptable side effects when compared to more modern alternatives.

      Overall, the first-choice treatments for primary generalized epilepsy are lamotrigine and valproate. For partial (localization-related) epilepsy, carbamazepine, valproate, lamotrigine, and oxcarbazepine are all reasonable first choices.

      In summary, it is important to work closely with a healthcare provider to determine the best medication for an individual’s specific type of seizure.

    • This question is part of the following fields:

      • Neurology
      5.1
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  • Question 42 - A 67-year-old woman presents to the Memory Clinic with a 9-month history of...

    Correct

    • A 67-year-old woman presents to the Memory Clinic with a 9-month history of cognitive decline. Her daughter mentions that she has difficulty remembering basic tasks and is becoming more confused and forgetful than usual. Her daughter noticed a change in her personality and has caught her leaving the stove on and wandering outside alone on multiple occasions.
      Given the likely diagnosis, which of the following is the most appropriate initial step in this patient’s management?
      Select the SINGLE most appropriate management from the list below.

      Your Answer: Stop drugs that may be exacerbating memory problems or confusion (anticholinergics, central nervous system drugs)

      Explanation:

      Managing Frontotemporal Dementia: Treatment Options and Referrals

      Frontotemporal dementia (FTD) is a progressive neurodegenerative disorder that affects behavior, language, and executive function. While there is no cure for FTD, management strategies can help alleviate symptoms and provide support for patients and their families.

      One important step in managing FTD is to stop any drugs that may be exacerbating memory problems or confusion, such as anticholinergics or central nervous system drugs. Multidisciplinary health and social care is also crucial, involving referrals to geriatric medicine, psychiatry, psychology, social work, occupational therapy, speech and language therapy, physiotherapy, and community nursing.

      However, certain treatment options should be avoided or used with caution in FTD patients. Benzodiazepines, for example, are associated with cognitive worsening and fall-related injuries. Anticholinesterase inhibitors, typically used in mild to moderate Alzheimer’s disease, have shown disappointing results in FTD patients who do not have cholinergic loss. Memantine, used in moderate to severe Alzheimer’s disease, has not been shown to be effective in FTD and may even have a detrimental effect on cognition in some individuals.

      Antipsychotics should only be used cautiously and when other options have failed, as FTD patients are at higher risk of extrapyramidal side effects. Overall, a personalized and coordinated approach to FTD management is essential for optimizing patient outcomes.

    • This question is part of the following fields:

      • Neurology
      23.6
      Seconds
  • Question 43 - Sarah is a 54-year-old woman presenting with painful hand movement. She had recently...

    Incorrect

    • Sarah is a 54-year-old woman presenting with painful hand movement. She had recently moved homes and had been carrying multiple heavy boxes during this time when the pain came on along her forearm. The pain is acutely worse when she is carrying objects but improves on rest.

      Physical examination reveals that the pain was recreated with wrist extension and forearm supination when the elbow is extended. Maximal pain is palpated over the insertion of the common extensor tendon. No sensory or motor deficits were noted on examination.

      What could be the possible cause of her pain?

      Your Answer: De Quervain's tenosynovitis

      Correct Answer: Lateral epicondylitis

      Explanation:

      Understanding Lateral Epicondylitis

      Lateral epicondylitis, commonly known as tennis elbow, is a condition that often occurs after engaging in activities that the body is not accustomed to, such as painting or playing tennis. It is most prevalent in individuals aged 45-55 years and typically affects the dominant arm. The primary symptom of this condition is pain and tenderness localized to the lateral epicondyle. The pain is often exacerbated by wrist extension against resistance with the elbow extended or supination of the forearm with the elbow extended. Episodes of lateral epicondylitis can last between 6 months and 2 years, with patients experiencing acute pain for 6-12 weeks.

      To manage lateral epicondylitis, it is essential to avoid muscle overload and engage in simple analgesia. Steroid injections and physiotherapy are also viable options for managing the condition. By understanding the symptoms and management options for lateral epicondylitis, individuals can take the necessary steps to alleviate pain and discomfort associated with this condition.

    • This question is part of the following fields:

      • Musculoskeletal
      774.1
      Seconds
  • Question 44 - A 70-year-old man with a 12-year history of gastro-oesophageal reflux disease presents with...

    Incorrect

    • A 70-year-old man with a 12-year history of gastro-oesophageal reflux disease presents with dysphagia. Upon endoscopy, an obstructive lesion is observed that is highly suspicious of oesophageal cancer. What is the expected result of the biopsy?

      Your Answer: Squamous cell carcinoma

      Correct Answer: Adenocarcinoma

      Explanation:

      Gastroesophageal reflux disease (GORD) or Barrett’s esophagus are linked to the development of oesophageal adenocarcinoma.

      Oesophageal Cancer: Types, Risk Factors, Features, Diagnosis, and Treatment

      Oesophageal cancer used to be mostly squamous cell carcinoma, but adenocarcinoma is now becoming more common, especially in patients with a history of gastro-oesophageal reflux disease (GORD) or Barrett’s. Adenocarcinoma is usually located near the gastroesophageal junction, while squamous cell tumours are found in the upper two-thirds of the oesophagus.

      Risk factors for adenocarcinoma include GORD, Barrett’s oesophagus, smoking, achalasia, and obesity. Squamous cell cancer is more common in the developing world and is associated with smoking, alcohol, achalasia, Plummer-Vinson syndrome, and diets rich in nitrosamines.

      The most common presenting symptom for both types of oesophageal cancer is dysphagia, followed by anorexia and weight loss. Other possible features include odynophagia, hoarseness, melaena, vomiting, and cough.

      Diagnosis is done through upper GI endoscopy with biopsy, endoscopic ultrasound for locoregional staging, CT scanning for initial staging, and FDG-PET CT for detecting occult metastases. Laparoscopy may also be performed to detect occult peritoneal disease.

      Operable disease is best managed by surgical resection, with the most common procedure being an Ivor-Lewis type oesophagectomy. However, the biggest surgical challenge is anastomotic leak, which can result in mediastinitis. Adjuvant chemotherapy may also be used in many patients.

      Overall, oesophageal cancer is a serious condition that requires prompt diagnosis and treatment. Understanding the types, risk factors, features, diagnosis, and treatment options can help patients and healthcare providers make informed decisions about managing this disease.

    • This question is part of the following fields:

      • Haematology/Oncology
      57.3
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  • Question 45 - A 59-year-old man with type 2 diabetes visits his GP for a check-up....

    Incorrect

    • A 59-year-old man with type 2 diabetes visits his GP for a check-up. He has discontinued his modified-release metformin due to experiencing nausea and diarrhoea. Lately, he has been feeling increasingly fatigued and thirsty. His blood pressure measures 150/110 mmHg and he reports no issues with his eyesight. Laboratory tests reveal an HbA1c level of 56 mmol/mol. The QRISK score is calculated and shows 23%. He is a non-smoker and non-alcoholic.

      What would be the most suitable course of action for his management?

      Your Answer: Offer gliclazide

      Correct Answer: Offer dapagliflozin

      Explanation:

      Gliclazide is not the preferred initial treatment for type 2 diabetes. Due to the patient’s inability to tolerate metformin and a QRISK score of >10, there is now a higher likelihood of cardiovascular disease.

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

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      54.8
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  • Question 46 - A 25-year-old woman comes to her General Practitioner complaining of urinary frequency, dysuria,...

    Correct

    • A 25-year-old woman comes to her General Practitioner complaining of urinary frequency, dysuria, suprapubic pain and back pain. The symptoms have been getting worse over the past 48 hours. During examination, she is febrile and tachycardic. She has no history of urinary infections.
      What is the most suitable investigation to arrange for this patient next?
      Choose ONE option only.

      Your Answer: Urinary microscopy and culture

      Explanation:

      The most appropriate investigation to arrange for a patient presenting with symptoms suggestive of a urinary tract infection or pyelonephritis is urinary microscopy and culture. It is important to obtain a sample before starting empirical antibiotics to guide subsequent antibiotic choice if the initial course is ineffective. While genital swabs may be useful if there is a history of sexually transmitted infection, they are not as important as urine culture in this situation. Cystoscopy and ultrasound scans of the abdomen may be useful in other situations, but are not urgently indicated in this case. Similarly, a CTKUB would not be useful in investigating the cause of the infection, which can be determined through urine culture.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      24.4
      Seconds
  • Question 47 - A 35-year-old woman presents to her General Practitioner (GP) after experiencing daily headaches...

    Correct

    • A 35-year-old woman presents to her General Practitioner (GP) after experiencing daily headaches for the past week. She is usually healthy but drinks three cups of coffee a day. She describes sudden onset of severe, unilateral periorbital pain and tearing of the eye. The attacks last around 30 minutes and have all occurred in the late afternoon.
      What is the most suitable treatment to be administered to this patient during an acute episode of headache?
      Select the MOST appropriate treatment from the options below.

      Your Answer: Intranasal sumatriptan

      Explanation:

      Treatment options for Cluster Headaches

      Cluster headaches are a type of headache that is more common in men and presents with intense pain localized around one eye, accompanied by lacrimation and nasal congestion. The pain can last for a few minutes up to three hours and occurs every day for a number of weeks, followed by a symptom-free period. Here are some treatment options for cluster headaches:

      Intranasal Sumatriptan: People over the age of 18 with acute bouts of confirmed cluster headache may be given a subcutaneous or nasal triptan for acute attacks.

      Verapamil: Verapamil may be prescribed as a preventative treatment for cluster headaches but is not used during an acute attack. It is usually only prescribed following a discussion with a neurologist or a GP with a special interest in headaches.

      Carbamazepine: Carbamazepine is used in the treatment of trigeminal neuralgia, which presents with sudden attacks of severe, shooting unilateral facial pain that feels like an ‘electric shock’. However, for cluster headaches, it is not the first-line treatment.

      Codeine: Patients with cluster headaches should not be offered paracetamol, non-steroidal anti-inflammatory drugs or opioids as acute treatment, as they are too slow to take effect.

      Short-burst oxygen therapy (home oxygen): Short-burst oxygen therapy (12–15 l/min via a non-rebreathe mask) can be prescribed to reduce the length of an attack, unless it is contraindicated. However, home oxygen is contraindicated for smokers due to the risk of fire.

      In conclusion, cluster headaches can be debilitating, but there are various treatment options available to manage the symptoms. It is important to consult with a healthcare professional to determine the best course of treatment for each individual.

    • This question is part of the following fields:

      • Neurology
      29.4
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  • Question 48 - A 5-year-old girl presents with a sore throat that has been bothering her...

    Correct

    • A 5-year-old girl presents with a sore throat that has been bothering her for 3 days. She has no cough or runny nose. Her mother has kept her home from preschool. Upon examination, she has a fever and swollen tonsils with white patches. She also has tender lymph nodes in her neck.

      What is the most appropriate treatment for this patient? Choose ONE answer only.

      Your Answer: Phenoxymethylpenicillin for 10 days

      Explanation:

      Antibiotic Treatment for Tonsillitis Based on Centor Score

      Tonsillitis is a common condition that can be caused by a bacterial or viral infection. Antibiotics are not always necessary for a sore throat, but in cases where the patient has a high probability of a bacterial infection-induced sore throat, antibiotic therapy may be beneficial. The Centor score is a tool used to predict bacterial infection in people with a sore throat. A score of 3 or 4 means that the patient has a high probability of having a bacterial infection-induced sore throat and may benefit from antibiotics.

      The first-line antibiotic therapy for tonsillitis is 10 days of phenoxymethylpenicillin. However, it is important to check the patient’s allergy status before prescribing penicillin. If the patient is allergic to penicillin, 5 days of erythromycin or clarithromycin can be used. Amoxicillin and other broad-spectrum antibiotics should be avoided in the blind treatment of throat infections.

      In cases where the Centor score is 2, a bacterial infection is less likely, and antibiotic therapy is unlikely to be required. In such cases, conservative management such as mouth rinses can be used to alleviate discomfort and swelling.

      It is important to note that antibiotic therapy should only be prescribed when necessary, and a delayed prescription may be considered in some cases. A delayed prescription should only be considered if it is safe not to treat immediately.

    • This question is part of the following fields:

      • ENT
      21.5
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  • Question 49 - A 4-year-old boy presents to the emergency department with stridor and drooling. He...

    Correct

    • A 4-year-old boy presents to the emergency department with stridor and drooling. He is sitting forward and appears to be struggling to breathe. The clinician suspects acute epiglottitis. What is the causative organism of this condition?

      Your Answer: Haemophilus influenzae type B

      Explanation:

      Haemophilus influenzae type B is the cause of acute epiglottitis. Fortunately, this disease is now rare due to the inclusion of Hib in the childhood vaccination program since 1992. Hib can also lead to other severe infections like meningitis and septicaemia. Haemophilus influenzae type A is an uncommon illness. Staphylococcus aureus is known for causing skin infections like abscesses, respiratory infections such as sinusitis, and food poisoning. Streptococcus pneumoniae is a common cause of bronchitis, otitis media, and sinusitis.

      Acute epiglottitis is a rare but serious infection caused by Haemophilus influenzae type B. It is important to recognize and treat it promptly as it can lead to airway obstruction. Although it was once considered a disease of childhood, it is now more common in adults in the UK due to the immunization program. The incidence of epiglottitis has decreased since the introduction of the Hib vaccine. Symptoms include a rapid onset, high temperature, stridor, drooling of saliva, and a tripod position where the patient leans forward and extends their neck to breathe easier. Diagnosis is made by direct visualization, but x-rays may be done to rule out a foreign body.

      Immediate senior involvement is necessary, including those who can provide emergency airway support such as anaesthetics or ENT. Endotracheal intubation may be necessary to protect the airway. It is important not to examine the throat if epiglottitis is suspected due to the risk of acute airway obstruction. The diagnosis is made by direct visualization, but only senior staff who are able to intubate if necessary should perform this. Treatment includes oxygen and intravenous antibiotics.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 50 - A 35-year-old man is being monitored by his general practitioner for primary prevention...

    Correct

    • A 35-year-old man is being monitored by his general practitioner for primary prevention of cardiovascular disease. He is a smoker and has a strong family history of premature death from ischaemic heart disease. Following lifestyle modifications, his fasting cholesterol concentration is 7.2 mmol/l. Upon consulting the local guidelines, it is found that his Qrisk2 score is > 17%. What drug therapy would you recommend?

      Your Answer: Statin

      Explanation:

      New NICE Guidelines for Lipid Modification: Statins as First-Line Treatment for Cardiovascular Risk

      The National Institute for Health and Care Excellence (NICE) has updated its guidelines for lipid modification, recommending statins as the first-line treatment for patients with a cardiovascular risk of over 10%. Atorvastatin 20 mg is the preferred statin for these patients.

      Cholestyramine, a previously used medication for hypercholesterolaemia, is no longer recommended. Instead, dietary advice should be offered alongside statin therapy. Fibrates and nicotinic acid may be used as second-line options for patients with high triglyceride levels or those who cannot tolerate multiple statins.

      Under the new guidelines, patients with a QRISK2 score of over 10% should be offered statin therapy to reduce their 10-year risk for cardiovascular disease. After three months, lipids should be rechecked, with a focus on non-HDL cholesterol and aiming for a 40% reduction in non-HDL cholesterol.

      In addition to medication, patients should be offered interventions to address modifiable risk factors such as smoking cessation, alcohol moderation, and weight reduction where appropriate. These new guidelines aim to improve the management of lipid disorders and reduce the risk of cardiovascular disease.

    • This question is part of the following fields:

      • Cardiovascular
      14.3
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SESSION STATS - PERFORMANCE PER SPECIALTY

Paediatrics (3/4) 75%
Infectious Diseases (3/4) 75%
Pharmacology/Therapeutics (1/2) 50%
Endocrinology/Metabolic Disease (5/6) 83%
Reproductive Medicine (0/3) 0%
Gastroenterology/Nutrition (0/2) 0%
Neurology (4/4) 100%
Musculoskeletal (2/4) 50%
Dermatology (1/2) 50%
Renal Medicine/Urology (2/4) 50%
Respiratory Medicine (1/1) 100%
Haematology/Oncology (2/3) 67%
Cardiovascular (4/4) 100%
Psychiatry (1/2) 50%
Immunology/Allergy (1/1) 100%
Ophthalmology (2/2) 100%
ENT (2/2) 100%
Passmed