00
Correct
00
Incorrect
00 : 00 : 00
Session Time
00 : 00
Average Question Time ( Secs)
  • Question 1 - A 39-year-old man complains of nasal obstruction and loud snoring. He reports that...

    Correct

    • A 39-year-old man complains of nasal obstruction and loud snoring. He reports that these symptoms have been gradually worsening over the past two months. Specifically, he feels that his left nostril is blocked while his right nostril feels normal. He denies any history of nosebleeds and reports feeling generally healthy. Upon examination, a large nasal polyp is observed in the left nostril. What is the best course of action?

      Your Answer: Refer to ENT

      Explanation:

      It is crucial to refer him to an ENT for a comprehensive examination as unilateral polyps are a warning sign.

      Understanding Nasal Polyps

      Nasal polyps are a relatively uncommon condition affecting around 1% of adults in the UK. They are more commonly seen in men and are not typically found in children or the elderly. There are several associations with nasal polyps, including asthma (particularly late-onset asthma), aspirin sensitivity, infective sinusitis, cystic fibrosis, Kartagener’s syndrome, and Churg-Strauss syndrome. When asthma, aspirin sensitivity, and nasal polyposis occur together, it is known as Samter’s triad.

      The symptoms of nasal polyps include nasal obstruction, rhinorrhoea, sneezing, and a poor sense of taste and smell. It is important to note that any unusual symptoms, such as unilateral symptoms or bleeding, require further investigation. If nasal polyps are suspected, patients should be referred to an ear, nose, and throat (ENT) specialist for a full examination.

      The management of nasal polyps typically involves the use of topical corticosteroids, which can shrink polyp size in around 80% of patients. Overall, understanding nasal polyps and their associations can help with early detection and appropriate management.

    • This question is part of the following fields:

      • ENT
      10.9
      Seconds
  • Question 2 - A 55-year-old diabetic right-handed woman complains of left shoulder discomfort. She reports a...

    Correct

    • A 55-year-old diabetic right-handed woman complains of left shoulder discomfort. She reports a rigid shoulder that is frequently more painful at night and struggles with dressing or fastening her bra. Upon examination, there is no pinpoint tenderness, but you observe weakness in external rotation.
      What could be the probable reason for her shoulder pain?

      Your Answer: Adhesive capsulitis

      Explanation:

      Adhesive capsulitis typically results in a reduction of external rotation, both in active and passive movements.

      Understanding Adhesive Capsulitis (Frozen Shoulder)

      Adhesive capsulitis, commonly known as frozen shoulder, is a prevalent cause of shoulder pain that primarily affects middle-aged women. The exact cause of this condition is not yet fully understood. However, studies have shown that up to 20% of diabetics may experience an episode of frozen shoulder. Symptoms typically develop over several days, with external rotation being more affected than internal rotation or abduction. Both active and passive movement are affected, and patients usually experience a painful freezing phase, an adhesive phase, and a recovery phase. In some cases, the condition may affect both shoulders, which occurs in up to 20% of patients. The episode typically lasts between 6 months and 2 years.

      Diagnosis of adhesive capsulitis is usually clinical, although imaging may be necessary for atypical or persistent symptoms. Unfortunately, no single intervention has been proven to improve the outcome in the long-term. However, there are several treatment options available, including nonsteroidal anti-inflammatory drugs (NSAIDs), physiotherapy, oral corticosteroids, and intra-articular corticosteroids.

    • This question is part of the following fields:

      • Musculoskeletal
      11.5
      Seconds
  • Question 3 - A 48-year-old man visits his doctor with worries about a discharge coming from...

    Incorrect

    • A 48-year-old man visits his doctor with worries about a discharge coming from his nipples. Which medication is the most probable cause for this symptom?

      Your Answer: Spironolactone

      Correct Answer: Chlorpromazine

      Explanation:

      Gynaecomastia may be linked to each of the remaining four drugs instead of galactorrhoea.

      Understanding Prolactin and Galactorrhoea

      Prolactin is a hormone produced by the anterior pituitary gland, and its release is regulated by various physiological factors. Dopamine is the primary inhibitor of prolactin release, and dopamine agonists like bromocriptine can be used to manage galactorrhoea. Galactorrhoea is a condition characterized by the production of breast milk in individuals who are not breastfeeding. It is important to distinguish the causes of galactorrhoea from those of gynaecomastia, which is the enlargement of male breast tissue.

      Excess prolactin can lead to different symptoms in men and women. Men may experience impotence, loss of libido, and galactorrhoea, while women may have amenorrhoea and galactorrhoea. Several factors can cause raised prolactin levels, including prolactinoma, pregnancy, oestrogens, stress, exercise, sleep, acromegaly, polycystic ovarian syndrome, and primary hypothyroidism. Additionally, certain medications like metoclopramide, domperidone, phenothiazines, haloperidol, SSRIs, and opioids can also increase prolactin levels.

      In summary, understanding prolactin and its effects on the body is crucial in diagnosing and managing conditions like galactorrhoea. Identifying the underlying causes of raised prolactin levels is essential in providing appropriate treatment and improving patient outcomes.

    • This question is part of the following fields:

      • Reproductive Medicine
      5.8
      Seconds
  • Question 4 - Which ethnic group has a higher occurrence of prostate cancer? ...

    Correct

    • Which ethnic group has a higher occurrence of prostate cancer?

      Your Answer: Afro-Caribbean

      Explanation:

      The Afro-Caribbean population is more prone to developing prostate cancer.

      Prostate cancer is currently the most prevalent cancer among adult males in the UK, and the second most common cause of cancer-related deaths in men, following lung cancer. The risk factors for prostate cancer include increasing age, obesity, Afro-Caribbean ethnicity, and a family history of the disease, which accounts for 5-10% of cases. Localized prostate cancer is often asymptomatic, as the cancer tends to develop in the outer part of the prostate gland, causing no obstructive symptoms in the early stages. However, some possible features of prostate cancer include bladder outlet obstruction, haematuria or haematospermia, and pain in the back, perineal or testicular area. A digital rectal examination may reveal asymmetrical, hard, nodular enlargement with loss of median sulcus. In addition, an isotope bone scan can be used to detect metastatic prostate cancer, which appears as multiple, irregular, randomly distributed foci of high-grade activity involving the spine, ribs, sternum, pelvic and femoral bones.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      4
      Seconds
  • Question 5 - A 65-year-old woman comes to you with complaints of feeling low and having...

    Correct

    • A 65-year-old woman comes to you with complaints of feeling low and having trouble sleeping. Upon further discussion and administering a validated symptom measure, you diagnose her with moderate depression. She has a medical history of ischemic heart disease and is currently on aspirin, ramipril, and simvastatin. What would be the best course of action in this situation?

      Your Answer: Start sertraline + lansoprazole

      Explanation:

      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
      18
      Seconds
  • Question 6 - A 32-year-old woman presents to the endocrine clinic with thyroid function test results...

    Correct

    • A 32-year-old woman presents to the endocrine clinic with thyroid function test results indicating palpitations, excessive sweating, unintentional weight loss, and a notable thyroid goitre that is tender upon palpation. The test results show a TSH level of 9.4 mU/L (normal range: 0.5-5.5) and a free T4 level of 6.4 pmol/L (normal range: 9.0-18). What is the probable diagnosis?

      Your Answer: Subacute (De Quervain's) thyroiditis

      Explanation:

      Subacute Thyroiditis: A Self-Limiting Condition with Four Phases

      Subacute thyroiditis, also known as De Quervain’s thyroiditis or subacute granulomatous thyroiditis, is a condition that is believed to occur after a viral infection. It is characterized by hyperthyroidism, a painful goitre, and raised ESR during the first phase, which lasts for 3-6 weeks. The second phase, which lasts for 1-3 weeks, is characterized by euthyroidism. The third phase, which can last for weeks to months, is characterized by hypothyroidism. Finally, in the fourth phase, the thyroid structure and function return to normal.

      To diagnose subacute thyroiditis, thyroid scintigraphy is used to show a globally reduced uptake of iodine-131. However, most patients do not require treatment as the condition is self-limiting. Thyroid pain may respond to aspirin or other NSAIDs, but in more severe cases, steroids may be used, particularly if hypothyroidism develops.

      It is important to note that subacute thyroiditis is just one of the many causes of thyroid dysfunction. A Venn diagram can be used to show how different causes of thyroid dysfunction may manifest. It is interesting to note that many causes of hypothyroidism may have an initial thyrotoxic phase. Proper diagnosis and management of thyroid dysfunction are crucial to ensure optimal patient outcomes.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      41.6
      Seconds
  • Question 7 - A 12-year-old boy is presented for surgery by his mother. He has been...

    Correct

    • A 12-year-old boy is presented for surgery by his mother. He has been experiencing pain in his distal right thigh for the past two weeks, which worsens when he runs. Upon examination, he is found to be overweight and has full mobility in his right knee. He can fully flex his right hip, but internal rotation causes discomfort. What is the probable diagnosis?

      Your Answer: Slipped upper femoral epiphysis

      Explanation:

      Common Causes of Hip Problems in Children

      Hip problems in children can be caused by a variety of conditions. Developmental dysplasia of the hip is often detected during newborn examinations and can be identified through positive Barlow’s and Ortolani’s tests, as well as unequal skin folds or leg length. Transient synovitis, also known as irritable hip, is the most common cause of hip pain in children aged 2-10 years and is associated with acute hip pain and viral infections.

      Perthes disease is a degenerative condition that affects the hip joints of children between the ages of 4-8 years. It is more common in boys and can cause hip pain, stiffness, and reduced range of motion. Slipped upper femoral epiphysis is another condition that typically affects children aged 10-15 years, particularly those who are obese or male. It can cause knee or thigh pain and loss of internal rotation of the leg in flexion.

      Juvenile idiopathic arthritis (JIA) is a type of arthritis that occurs in children under 16 years old and lasts for more than three months. Pauciarticular JIA, which affects four or fewer joints, is the most common type and can cause joint pain and swelling, as well as a limp. Finally, septic arthritis is an acute condition that causes hip pain and systemic upset, such as fever and severe limitation of the affected joint.

      Overall, hip problems in children can have a variety of causes and should be evaluated by a healthcare professional to determine the appropriate treatment.

    • This question is part of the following fields:

      • Musculoskeletal
      11.7
      Seconds
  • Question 8 - How frequently is the Depo Provera (medroxyprogesterone acetate) injectable birth control administered? ...

    Correct

    • How frequently is the Depo Provera (medroxyprogesterone acetate) injectable birth control administered?

      Your Answer: Every 12 weeks

      Explanation:

      Injectable Contraceptives: Depo Provera

      Injectable contraceptives are a popular form of birth control in the UK, with Depo Provera being the main option available. This contraceptive contains 150mg of medroxyprogesterone acetate and is administered via intramuscular injection every 12 weeks. It can be given up to 14 weeks after the last dose without the need for extra precautions. The primary method of action is by inhibiting ovulation, while secondary effects include cervical mucus thickening and endometrial thinning.

      However, there are some disadvantages to using Depo Provera. Once the injection is given, it cannot be reversed, and there may be a delayed return to fertility of up to 12 months. Adverse effects may include irregular bleeding and weight gain, and there is a potential increased risk of osteoporosis. It should only be used in adolescents if no other method of contraception is suitable.

      It is important to note that there are contraindications to using Depo Provera, such as current breast cancer (UKMEC 4) or past breast cancer (UKMEC 3). While Noristerat is another injectable contraceptive licensed in the UK, it is rarely used in clinical practice and is given every 8 weeks. Overall, injectable contraceptives can be an effective form of birth control, but it is important to weigh the potential risks and benefits before deciding on this method.

    • This question is part of the following fields:

      • Reproductive Medicine
      6.2
      Seconds
  • Question 9 - How many units of alcohol are in a 750ml bottle of red wine...

    Correct

    • How many units of alcohol are in a 750ml bottle of red wine with an alcohol by volume of 12%?

      Your Answer: 9 units

      Explanation:

      To calculate alcohol units, multiply the volume in milliliters by the alcohol by volume (ABV) and divide by 1,000.

      Alcohol consumption guidelines were revised in 2016 by the Chief Medical Officer, based on recommendations from an expert group report. The most significant change was a reduction in the recommended maximum number of units of alcohol for men from 21 to 14, aligning with the guidelines for women. The government now advises that both men and women should not exceed 14 units of alcohol per week, and if they do, it is best to spread it evenly over three or more days. Pregnant women are advised not to drink alcohol at all, as it can cause long-term harm to the baby. One unit of alcohol is equivalent to 10 mL of pure ethanol, and the strength of a drink is determined by its alcohol by volume (ABV). Examples of one unit of alcohol include a 25ml single measure of spirits with an ABV of 40%, a third of a pint of beer with an ABV of 5-6%, and half a 175ml standard glass of red wine with an ABV of 12%. To calculate the number of units in a drink, multiply the number of millilitres by the ABV and divide by 1,000.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      10.3
      Seconds
  • Question 10 - A 52-year-old man of African ethnicity visits the GP after receiving results from...

    Incorrect

    • A 52-year-old man of African ethnicity visits the GP after receiving results from ambulatory home blood pressure monitoring. The average reading was 152/96 mmHg, and he has no medical history. During today's visit, his heart rate is 78 bpm, blood pressure is 160/102 mmHg, and oxygen saturations are 97%. What should the GP do next?

      Your Answer: Losartan

      Correct Answer: Nifedipine

      Explanation:

      For a newly diagnosed patient of black African or African-Caribbean origin with hypertension, adding a calcium channel blocker (CCB) such as nifedipine is recommended as the first-line treatment. This is because ACE inhibitors and ARBs are less effective in patients of these ethnicities. Lifestyle advice alone is not sufficient if the patient’s average blood pressure reading on ambulatory monitoring is greater than 150/95 mmHg. Ramipril is not the first-line option for this patient population, and Losartan is a second-line option after CCBs.

      NICE Guidelines for Managing Hypertension

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

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

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

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

    • This question is part of the following fields:

      • Cardiovascular
      15.2
      Seconds
  • Question 11 - A 67-year-old male with a history of multiple myeloma presents with confusion. Blood...

    Correct

    • A 67-year-old male with a history of multiple myeloma presents with confusion. Blood tests are taken and the following results are obtained:

      Adjusted calcium 3.1 mmol/l

      What would be the best initial approach to manage this situation?

      Your Answer: Admit for IV normal saline

      Explanation:

      The primary treatment for hypercalcaemia is IV fluid therapy.

      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:

      • Endocrinology/Metabolic Disease
      5
      Seconds
  • Question 12 - A 49-year-old man comes to the GP complaining of pain in his right...

    Incorrect

    • A 49-year-old man comes to the GP complaining of pain in his right elbow. He reports that the pain began last week after he painted the walls of his house. During the examination, it is observed that the pain intensifies when he resists wrist extension and supinates his forearm while the elbow is extended. What is the probable diagnosis?

      Your Answer: Medial epicondylitis

      Correct Answer: Lateral epicondylitis

      Explanation:

      The most likely cause of elbow pain in this individual is lateral epicondylitis, which is commonly known as ‘tennis’ elbow. It is aggravated by wrist extension and supination of the forearm, although other activities can also trigger it. Cubital tunnel syndrome is not the correct answer as it presents with ulnar nerve compression and paraesthesia in the ulnar nerve distribution, which is exacerbated when the elbow is flexed for extended periods of time. Medial epicondylitis, also known as ‘golfer’s’ elbow, is not the correct answer either as the pain is aggravated by wrist flexion and pronation, and there are no other associated features. Olecranon bursitis is also not the correct answer as it presents with a swelling over the olecranon, and may also have associated pain, warmth, and erythema, and typically affects middle-aged male patients.

      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
      10.2
      Seconds
  • Question 13 - A 75-year-old female with a history of acromegaly presents to the respiratory clinic...

    Correct

    • A 75-year-old female with a history of acromegaly presents to the respiratory clinic with her husband for a routine follow-up. She has recently been diagnosed with obstructive sleep apnoea and has made several lifestyle changes such as losing weight and exercising regularly. However, she still complains of feeling tired after work and experiencing restless sleep with loud snoring that disturbs her husband. What further steps should be taken in managing her obstructive sleep apnoea?

      Your Answer: Continuous positive airway pressure (CPAP)

      Explanation:

      After losing weight, the recommended initial treatment for moderate/severe obstructive sleep apnoea is CPAP.

      CPAP is the most widely used treatment for obstructive sleep apnoea (OSA) and is effective for both moderate and severe cases. However, lifestyle changes such as weight loss, quitting smoking, and avoiding alcohol should be attempted first. Although oral appliances can be used, they are not as effective as CPAP. Surgical treatments for OSA are not the first choice and have limited evidence.

      Understanding Obstructive Sleep Apnoea/Hypopnoea Syndrome

      Obstructive sleep apnoea/hypopnoea syndrome (OSAHS) is a condition where the upper airway becomes partially or completely blocked during sleep, leading to interrupted breathing and reduced oxygen levels in the body. There are several predisposing factors for OSAHS, including obesity, macroglossia, large tonsils, and Marfan’s syndrome. The condition is often characterized by excessive snoring and periods of apnoea, which can be reported by the patient’s partner.

      OSAHS can have several consequences, including daytime somnolence, compensated respiratory acidosis, and hypertension. To assess sleepiness, healthcare professionals may use tools such as the Epworth Sleepiness Scale or the Multiple Sleep Latency Test. Diagnostic tests for OSAHS include sleep studies, ranging from monitoring pulse oximetry to full polysomnography.

      Management of OSAHS typically involves weight loss and continuous positive airway pressure (CPAP) as the first line of treatment for moderate or severe cases. Intra-oral devices may be used if CPAP is not tolerated or for patients with mild OSAHS. It is important to inform the DVLA if OSAHS is causing excessive daytime sleepiness. While there is limited evidence to support the use of pharmacological agents, healthcare professionals may consider them in certain cases.

      Overall, understanding OSAHS and its management is crucial for improving the quality of life for patients with this condition.

    • This question is part of the following fields:

      • Respiratory Medicine
      11.6
      Seconds
  • Question 14 - Which one of the following is true regarding anti-tuberculous therapy? ...

    Correct

    • Which one of the following is true regarding anti-tuberculous therapy?

      Your Answer: Visual acuity should be checked before starting ethambutol

      Explanation:

      Rifampicin has a strong ability to induce liver enzymes. During the initial two months of treatment, Pyrazinamide should be administered, but it may cause hepatitis and gout as side effects. Isoniazid may cause peripheral neuropathy as a side effect.

      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
      10.3
      Seconds
  • Question 15 - A 60-year-old man complains of worsening pain and swelling in both knees with...

    Incorrect

    • A 60-year-old man complains of worsening pain and swelling in both knees with stiffness and decreased mobility over the past eight months. He also has painful wrist joints with nodules at the proximal and distal interphalangeal joints which have developed slowly over the past two years.
      Which of the following is the most likely diagnosis?

      Your Answer: Rheumatoid arthritis (RA)

      Correct Answer: Osteoarthritis (OA)

      Explanation:

      Differentiating between types of arthritis: A case study

      In this case study, a patient presents with bony swelling at the DIP and PIP joints of the hands. It is important to differentiate between various types of arthritis to make an accurate diagnosis and provide appropriate treatment.

      Osteoarthritis (OA) is characterized by loss of articular cartilage and overgrowth of underlying bone, commonly affecting the hips, knees, and small hand joints. Pain and swelling are common presenting features, along with crepitus on examination. Heberden’s and Bouchard’s nodes may also be present.

      Osteoporosis, on the other hand, is a condition of reduced bone density and increased fragility, often diagnosed following a low-impact fracture or screening of high-risk patients. Pain and bony swelling are not typical features of osteoporosis.

      Psoriatic arthritis is an inflammatory seronegative spondyloarthropathy associated with psoriasis, commonly affecting the hands but not causing the changes described in this case. Dactylitis is a usual examination finding with psoriatic arthritis.

      Reactive arthritis is characterized by a triad of urethritis, conjunctivitis, and arthritis following an infection. It typically presents as an acute, asymmetrical lower-limb arthritis, occurring a few days to weeks after the initial infection.

      Rheumatoid arthritis (RA) presents most often in women between the ages of 35 and 55 with symmetrical polyarticular arthritis, most often in the small joints of the hands or feet. Swelling is present at the metacarpophalangeal and PIP joints of the hands, along with other signs such as swan neck and Boutonnière deformities of the fingers, ulnar deviation of fingers, and Z deformity of the thumb.

      In conclusion, careful examination and consideration of various types of arthritis are necessary for an accurate diagnosis and appropriate treatment plan.

    • This question is part of the following fields:

      • Musculoskeletal
      15.5
      Seconds
  • Question 16 - A 54-year-old woman with isolated systolic hypertension, who also has urinary tract infections,...

    Incorrect

    • A 54-year-old woman with isolated systolic hypertension, who also has urinary tract infections, osteoporosis and diabetes, attends outpatient clinic with a blood pressure reading of 192/88 mmHg. Which of the following medications would you prescribe for this patient?

      Your Answer: Amlodipine

      Correct Answer: Valsartan

      Explanation:

      When it comes to treating hypertension, there are several medications to choose from. NICE recommends an angiotensin-converting enzyme (ACE) inhibitor or an angiotensin receptor blocker (ARB) as first-line treatment for those under 55, while calcium channel blockers (CCBs) are preferred for patients over 55 and those of Afro-Caribbean origin. Beta blockers, once a common choice, are no longer recommended as first-line treatment.

      If initial treatment is not effective, a thiazide diuretic can be added to an ACE inhibitor or ARB and CCB. Alpha blockers, such as doxazosin, are no longer commonly used for hypertension and are contraindicated in patients with urinary incontinence. Valsartan, an ARB, is an alternative for patients who cannot tolerate an ACE inhibitor.

      For elderly patients with isolated systolic hypertension, a dihydropyridine CCB like amlodipine is the drug of choice, especially if thiazides are not an option. Beta blockers should be used with caution in patients with asthma and are not indicated in this case. By carefully considering the patient’s age, ethnicity, and medical history, healthcare providers can choose the most appropriate medication for treating hypertension.

    • This question is part of the following fields:

      • Cardiovascular
      31.3
      Seconds
  • Question 17 - A 26-year-old nulliparous female with a history of recurrent deep vein thrombosis presents...

    Correct

    • A 26-year-old nulliparous female with a history of recurrent deep vein thrombosis presents with shortness of breath. The full blood count and clotting screen reveals the following results:

      Hb 12.4 g/dl
      Plt 137
      WBC 7.5 * 109/l
      PT 14 secs
      APTT 46 secs

      What is the probable underlying diagnosis?

      Your Answer: Antiphospholipid syndrome

      Explanation:

      Antiphospholipid syndrome is the most probable diagnosis due to the paradoxical occurrence of prolonged APTT and low platelets.

      Antiphospholipid syndrome is a condition that can be acquired and is characterized by a higher risk of both venous and arterial thromboses, recurrent fetal loss, and thrombocytopenia. It can occur as a primary disorder or as a secondary condition to other diseases, with systemic lupus erythematosus being the most common. One important point to remember for exams is that antiphospholipid syndrome can cause a paradoxical increase in the APTT. This is due to an ex-vivo reaction of the lupus anticoagulant autoantibodies with phospholipids involved in the coagulation cascade. Other features of this condition include livedo reticularis, pre-eclampsia, and pulmonary hypertension.

      Antiphospholipid syndrome can also be associated with other autoimmune disorders, lymphoproliferative disorders, and, rarely, phenothiazines. Management of this condition is based on EULAR guidelines. Primary thromboprophylaxis involves low-dose aspirin, while secondary thromboprophylaxis depends on the type of thromboembolic event. Initial venous thromboembolic events require lifelong warfarin with a target INR of 2-3, while recurrent venous thromboembolic events require lifelong warfarin and low-dose aspirin. Arterial thrombosis should be treated with lifelong warfarin with a target INR of 2-3.

    • This question is part of the following fields:

      • Musculoskeletal
      24
      Seconds
  • Question 18 - A 56-year-old woman with a history of left hip osteoarthritis comes in for...

    Correct

    • A 56-year-old woman with a history of left hip osteoarthritis comes in for evaluation. She is presently on a regular dose of co-codamol 30/500 for pain relief, but it is not effectively managing her symptoms. There is no significant medical history, particularly no gastrointestinal or asthma issues. What would be the most appropriate course of action for treatment?

      Your Answer: Add oral ibuprofen + proton pump inhibitor

      Explanation:

      According to NICE, it is recommended to prescribe a PPI alongside NSAIDs for all patients with osteoarthritis. However, topical NSAIDs should only be used for osteoarthritis affecting the knee or hand.

      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
      12
      Seconds
  • Question 19 - A 55-year-old female patient arrived at the emergency department complaining of intense pain...

    Correct

    • A 55-year-old female patient arrived at the emergency department complaining of intense pain in her left eye, along with redness and sensitivity to light. Upon examination, her intraocular pressure was found to be elevated at 30 mmHg, and her pupil was mid-dilated. After diagnosing her with acute angle closure glaucoma, you promptly administered IV acetazolamide and topical pilocarpine. What is the definitive treatment for this condition?

      Your Answer: Laser peripheral iridotomy in both eyes

      Explanation:

      The definitive treatment for acute angle-closure glaucoma is laser peripheral iridotomy, which creates an additional pathway in the iris for aqueous to flow from the posterior chamber to the anterior chamber and be drained into the angle. While topical beta blockers, alpha agonists, prostaglandin analogues, and carbonic anhydrase inhibitors can all help control intraocular pressure in glaucoma patients, they are not considered definitive treatments for AACG.

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

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

    • This question is part of the following fields:

      • Ophthalmology
      11.6
      Seconds
  • Question 20 - As a junior doctor in the Emergency Department, you encounter a 40-year-old woman...

    Incorrect

    • As a junior doctor in the Emergency Department, you encounter a 40-year-old woman who has been brought in by the police under a section 135. The police had to obtain a warrant as part of the process. The patient is currently agitated and speaking incoherently about religious phrases. She has a documented history of severe depression.

      What powers does section 135 grant to the police in this situation?

      Your Answer: To bring a person with suspected mental health issues in from the community

      Correct Answer: To bring a person with suspected mental health issues in from their property

      Explanation:

      If the police believe that someone requires a mental health assessment or treatment, they can request a section 135 to remove the individual from their property. The procedure involves an Approved Mental Health Practitioner (AMHP) presenting evidence at a Magistrate’s Court to obtain a warrant. This warrant permits the Police, an AMHP, and a registered medical practitioner to enter the premises and conduct an assessment or take the person to a safe location for evaluation.

      Sectioning under the Mental Health Act is a legal process used for individuals who refuse voluntary admission. This process excludes patients who are under the influence of drugs or alcohol. There are several sections under the Mental Health Act that allow for different types of admission and treatment.

      Section 2 allows for admission for assessment for up to 28 days, which is not renewable. An Approved Mental Health Professional (AMHP) or the nearest relative (NR) can make the application on the recommendation of two doctors, one of whom should be an approved consultant psychiatrist. Treatment can be given against the patient’s wishes.

      Section 3 allows for admission for treatment for up to 6 months, which can be renewed. An AMHP and two doctors, both of whom must have seen the patient within the past 24 hours, can make the application. Treatment can also be given against the patient’s wishes.

      Section 4 is used as an emergency 72-hour assessment order when a section 2 would involve an unacceptable delay. A GP and an AMHP or NR can make the application, which is often changed to a section 2 upon arrival at the hospital.

      Section 5(2) allows a doctor to legally detain a voluntary patient in hospital for 72 hours, while section 5(4) allows a nurse to detain a voluntary patient for 6 hours.

      Section 17a allows for Supervised Community Treatment (Community Treatment Order) and can be used to recall a patient to the hospital for treatment if they do not comply with the conditions of the order in the community, such as taking medication.

      Section 135 allows for a court order to be obtained to allow the police to break into a property to remove a person to a Place of Safety. Section 136 allows for someone found in a public place who appears to have a mental disorder to be taken by the police to a Place of Safety. This section can only be used for up to 24 hours while a Mental Health Act assessment is arranged.

    • This question is part of the following fields:

      • Psychiatry
      15
      Seconds
  • Question 21 - A 35-year-old female patient presents to the GP clinic seeking the combined oral...

    Correct

    • A 35-year-old female patient presents to the GP clinic seeking the combined oral contraceptive pill (COCP). She has a BMI of 25 kg/m2 and a history of migraine without aura. She is a smoker, consuming 20 cigarettes a day, and drinks socially. The patient gave birth to her second child 10 weeks ago and is currently breastfeeding. Her mother had a pulmonary embolism at the age of 60 years. Identify the UKMEC 4 contraindication that would make the COCP unsuitable for her.

      Your Answer: 37 years-old and smoking 20 cigarettes a day

      Explanation:

      The use of COCP is absolutely contraindicated for individuals who are over 35 years old and smoke more than 15 cigarettes per day. Migraine without aura is not a contraindication, but migraine with aura is a UKMEC 3 contraindication. A BMI of over 35 kg/m2 and a family history of thromboembolism at age less than 45 years are also UKMEC 3 contraindications, but in this case, the patient’s BMI is 25 kg/m2 and her mother had pulmonary embolism at the age of 60 years, so these are not contraindications. Breastfeeding less than 6 weeks post-partum is a UKMEC 4 contraindication, but since the patient is 10 weeks post-partum, it is a UKMEC 2.

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

    • This question is part of the following fields:

      • Reproductive Medicine
      19.8
      Seconds
  • Question 22 - A 42-year-old female patient visits the GP clinic with two circular patches on...

    Incorrect

    • A 42-year-old female patient visits the GP clinic with two circular patches on her scalp that have resulted in hair loss and scarring. She reports that she first noticed these patches 4 weeks after returning from a trip to Italy. Upon further inquiry, she also acknowledges experiencing persistent joint pain and stiffness. Could scarring alopecia be caused by any of the following?

      Your Answer: Telogen effluvium

      Correct Answer: Lichen planus

      Explanation:

      Scarring alopecia can be caused by various factors such as trauma/burns, radiotherapy, discoid lupus, tinea capitis, and lichen planus. However, out of these options, lichen planus is the only cause that leads to scarring alopecia. The remaining causes, including alopecia areata, carbimazole, trichotillomania, and telogen effluvium, result in non-scarring alopecia.

      Input:
      Alopecia may be divided into scarring (destruction of hair follicle) and non-scarring (preservation of hair follicle). Scarring alopecia can be caused by trauma, burns, radiotherapy, lichen planus, discoid lupus, and untreated tinea capitis. Non-scarring alopecia can be caused by male-pattern baldness, drugs such as cytotoxic drugs, carbimazole, heparin, oral contraceptive pill, and colchicine, nutritional deficiencies such as iron and zinc deficiency, autoimmune conditions such as alopecia areata, telogen effluvium, hair loss following a stressful period such as surgery, and trichotillomania.

      Output:
      – Alopecia can be categorized into scarring and non-scarring types.
      – Scarring alopecia is caused by trauma, burns, radiotherapy, lichen planus, discoid lupus, and untreated tinea capitis.
      – Non-scarring alopecia is caused by male-pattern baldness, drugs such as cytotoxic drugs, carbimazole, heparin, oral contraceptive pill, and colchicine, nutritional deficiencies such as iron and zinc deficiency, autoimmune conditions such as alopecia areata, telogen effluvium, hair loss following a stressful period such as surgery, and trichotillomania.

    • This question is part of the following fields:

      • Dermatology
      5.4
      Seconds
  • Question 23 - A 47-year-old man with ulcerative colitis visits the GP clinic due to a...

    Correct

    • A 47-year-old man with ulcerative colitis visits the GP clinic due to a flare-up. He reports having diarrhoea 5 times a day with small amounts of blood, which has not improved with oral mesalazine. He feels fatigued but is otherwise in good health. The patient's vital signs are as follows:
      - Heart rate: 94 beats/minute
      - Blood pressure: 121/88 mmHg
      - Respiratory rate: 12 breaths/minute
      - Temperature: 37.4ºC
      - Oxygen saturation: 99% on room air

      What is the appropriate management plan for this patient?

      Your Answer: Oral prednisolone

      Explanation:

      If a patient with mild-moderate ulcerative colitis does not respond to topical or oral aminosalicylates, the next step is to add oral corticosteroids. In the case of this patient, who is experiencing five episodes of diarrhea and some blood but is otherwise stable, oral prednisolone is the appropriate treatment option. Intravenous ceftriaxone, intravenous hydrocortisone, and oral amoxicillin with clavulanic acid are not indicated in this situation. Oral azathioprine may be considered after the flare is controlled to prevent future exacerbations.

      Ulcerative colitis can be managed through inducing and maintaining remission. The severity of the condition is classified as mild, moderate, or severe based on the number of stools and presence of systemic upset. Treatment for mild-to-moderate cases of proctitis involves using topical aminosalicylate, while proctosigmoiditis and left-sided ulcerative colitis may require a combination of oral and topical medications. Extensive disease may require a high-dose oral aminosalicylate and topical treatment. Severe colitis should be treated in a hospital with intravenous steroids or ciclosporin. Maintaining remission can involve using a low maintenance dose of an oral aminosalicylate or oral azathioprine/mercaptopurine. Methotrexate is not recommended, but probiotics may prevent relapse in mild to moderate cases.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      27.4
      Seconds
  • Question 24 - A 45-year-old woman presents to the Dermatology Clinic for regular follow-up of her...

    Correct

    • A 45-year-old woman presents to the Dermatology Clinic for regular follow-up of her psoriasis. This had previously been well controlled after phototherapy six months ago; however, she has recently deteriorated.
      Her current treatment regime includes topical calcipotriol (Dovonex), topical coal tar ointment and topical hydromol ointment, in addition to amoxicillin for a recent respiratory infection. She is otherwise fit and well.
      On examination, she has an erythematous rash covering much of her back, with widespread patches on her arms and legs. The rash is tender and warm, though she appears to be shivering. There are no oral lesions. Her pulse is 98 beats per minute, while her blood pressure (BP) is 95/50 mmHg and her temperature is 38.2 °C.
      What is the most important next step in this woman's treatment?

      Your Answer: Arrange hospital admission

      Explanation:

      Urgent Hospital Admission Required for Erythrodermic Psoriasis

      Erythrodermic psoriasis is a severe dermatological emergency that requires urgent hospital admission. This is evident in a patient who presents with a drop in blood pressure, tachycardia, borderline pyrexia, and rigors. While the patient’s psoriasis needs more intensive management, it is not appropriate to manage erythroderma in the community.

      The treatment for erythrodermic psoriasis includes supportive care, such as intravenous fluids, cool, wet dressings, and a systemic agent. The choice of a systemic agent depends on the patient and may involve rapid-acting therapies like ciclosporin or slower agents like methotrexate. However, it is important to note that starting any systemic agent requires investigations, including baseline blood tests and a viral screen, to ensure it is not contraindicated.

      It is crucial to differentiate erythrodermic psoriasis from other dermatological emergencies like Stevens-Johnson syndrome/toxic epidermal necrolysis (TEN), which is a severe drug reaction associated with amoxicillin and anti-epileptic therapies. However, in this case, the patient’s history features a slow deterioration of pre-existing psoriasis, and the rash is not desquamating, and there are no oral lesions. Therefore, hospital admission is required for erythrodermic psoriasis.

      It is essential to avoid repeating phototherapy in a patient with erythrodermic psoriasis as it can worsen the condition. In a well patient, phototherapy would not be reattempted six months after a poor response, and an alternate approach would most likely be sought.

    • This question is part of the following fields:

      • Dermatology
      25
      Seconds
  • Question 25 - A 76-year-old male with a history of COPD and metastatic lung cancer is...

    Correct

    • A 76-year-old male with a history of COPD and metastatic lung cancer is admitted with worsening shortness of breath. After consulting with family, it is determined that active treatment, including fluids and antibiotics, will be withdrawn as this admission is likely a terminal event. However, two days later, the patient becomes restless and agitated. What is the best course of action in managing this situation?

      Your Answer: Subcutaneous midazolam

      Explanation:

      Palliative Care Prescribing for Agitation and Confusion

      When dealing with agitation and confusion in palliative care patients, it is important to identify and treat any underlying causes such as hypercalcaemia, infection, urinary retention, or medication. If these specific treatments fail, medication can be used to manage symptoms. Haloperidol is the first choice for treating agitation and confusion, with chlorpromazine and levomepromazine as alternative options. In the terminal phase of the illness, midazolam is the preferred medication for managing agitation or restlessness. Proper management of these symptoms can greatly improve the quality of life for palliative care patients.

    • This question is part of the following fields:

      • Haematology/Oncology
      15.4
      Seconds
  • Question 26 - A 35-year-old woman experiences hypertension during the third trimester of her initial pregnancy....

    Correct

    • A 35-year-old woman experiences hypertension during the third trimester of her initial pregnancy. Upon conducting a 24-hour urine collection, it is revealed that she has 0.5g protein. Which of the following complications is the least commonly associated with this condition?

      Your Answer: Transverse myelitis

      Explanation:

      Transverse myelitis is not linked to pre-eclampsia.

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

    • This question is part of the following fields:

      • Reproductive Medicine
      21.5
      Seconds
  • Question 27 - A 47-year-old man is found to have a blood pressure of 180/110 mmHg...

    Correct

    • A 47-year-old man is found to have a blood pressure of 180/110 mmHg on multiple readings. He undergoes investigation for secondary hypertension. Computed tomography (CT) imaging shows a 4.3 cm right-sided adrenal lesion. Below are his blood results. He is listed for elective adrenalectomy.
      Investigation Result Normal reference range
      Plasma free metanephrines 3000 pmol/l 80-510 pmol/l
      Which of the following treatments should be started to commence preparation of this patient for surgery for removal of adrenal phaeochromocytoma?

      Your Answer: Alpha-adrenergic receptor blockers

      Explanation:

      Management of Phaeochromocytoma: Medications and Interventions

      Phaeochromocytoma is a neuroendocrine tumor that secretes adrenaline and noradrenaline, leading to sympathetic stimulation and clinical symptoms such as tachycardia, hypertension, anxiety, diaphoresis, and weight loss. Diagnosis is made through the measurement of catecholamines and metanephrines in plasma or urine. Surgery is required, but patients are at high risk due to potential life-threatening tachycardia and hypertension. The following medications and interventions are used in the management of phaeochromocytoma:

      Alpha-adrenergic receptor blockers: Phenoxybenzamine or doxazosin are used to dampen sympathetic stimulation by blocking alpha-adrenoceptors.

      Beta-adrenergic receptor blockers: Beta-blockers are used after alpha-blockers to avoid unopposed alpha-receptor stimulation, which can cause a hypertensive crisis.

      Calcium channel blockers: These are not commonly used in phaeochromocytoma management but may be used as an antihypertensive in certain populations or as an anti-anginal drug.

      Intravenous fluids: IV fluids should be readily available for all surgeries to address potential blood loss and hypotension following surgery.

      Low-salt diet and low fluid intake: These interventions are not typically used in phaeochromocytoma management but may be used for chronic hypertension or fluid overload.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      14.7
      Seconds
  • Question 28 - A 25-year-old woman visits her doctor complaining of diarrhoea and vomiting after spending...

    Correct

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

      Your Answer: Wash hands with soap and water

      Explanation:

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

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

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

    • This question is part of the following fields:

      • Infectious Diseases
      14
      Seconds
  • Question 29 - What is the most crucial measure to take in order to prevent the...

    Correct

    • What is the most crucial measure to take in order to prevent the advancement of non-alcoholic steatohepatitis in a 52-year-old woman who has been diagnosed through a liver biopsy?

      Your Answer: Weight loss

      Explanation:

      Non-Alcoholic Fatty Liver Disease: Causes, Features, and Management

      Non-alcoholic fatty liver disease (NAFLD) is a prevalent liver disease in developed countries, primarily caused by obesity. It encompasses a range of conditions, from simple steatosis (fat accumulation in the liver) to steatohepatitis (fat with inflammation) and may progress to fibrosis and liver cirrhosis. Insulin resistance is believed to be the primary mechanism leading to steatosis, making NAFLD a hepatic manifestation of metabolic syndrome. Non-alcoholic steatohepatitis (NASH) is a type of liver damage similar to alcoholic hepatitis but occurs in the absence of alcohol abuse. It affects around 3-4% of the general population and may be responsible for some cases of cryptogenic cirrhosis.

      NAFLD is usually asymptomatic, but hepatomegaly, increased echogenicity on ultrasound, and elevated ALT levels are common features. The enhanced liver fibrosis (ELF) blood test is recommended by NICE to check for advanced fibrosis in patients with incidental NAFLD. If the ELF blood test is not available, non-invasive tests such as the FIB4 score or NAFLD fibrosis score, in combination with a FibroScan, may be used to assess the severity of fibrosis. Patients with advanced fibrosis should be referred to a liver specialist for further evaluation, which may include a liver biopsy to stage the disease more accurately.

      The mainstay of NAFLD treatment is lifestyle changes, particularly weight loss, and monitoring. Research is ongoing into the role of gastric banding and insulin-sensitizing drugs such as metformin and pioglitazone. While there is no evidence to support screening for NAFLD in adults, NICE guidelines recommend the management of incidental NAFLD findings.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      9.2
      Seconds
  • Question 30 - Before his initial occupational health visit, the clinic physician reviews the results of...

    Correct

    • Before his initial occupational health visit, the clinic physician reviews the results of a blood test taken by a 23-year-old medical student for hepatitis B serology.
      What is the significance of the following blood test results?
      - Positive anti-HBc IgG
      - Negative anti-HBc IgM
      - Negative anti-HBs
      - Positive HBsAg

      Your Answer: Chronic infection with hepatitis B

      Explanation:

      If a person has a positive anti-HBc IgG, negative anti-HBc IgM, and negative anti-HBc in the presence of HBsAg, it indicates that they have a chronic hepatitis B infection. In acute hepatitis B infection, HBsAg is usually the first positive marker, and if it remains positive for over 6 months, the patient has a chronic hepatitis B infection. The presence of HBsAg in this patient indicates either acute or chronic infection with hepatitis B. In response to infection, the body produces antibodies to the hepatitis B core antibody (anti-HBc), which remain indefinitely. In acute infection, IgM antibodies are produced, which are gradually replaced with IgG antibodies. This patient has negative anti-HBc IgM and positive anti-HBc IgG, indicating no acute infection. The absence of anti-HBs confirms chronic infection. In acute infection, anti-HBc IgM would also be positive, indicating exposure to the virus within the last 6 months. Over time, this is replaced with anti-HBc IgG, indicating resolved or chronic infection. Immunity following previous infection would be positive for anti-HBc IgG and anti-HBs, while previous vaccination would show positive anti-HBs only.

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

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

    • This question is part of the following fields:

      • Infectious Diseases
      31.5
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

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