00
Correct
00
Incorrect
00 : 00 : 0 00
Session Time
00 : 00
Average Question Time ( Secs)
  • Question 1 - A 72-year-old man undergoing evaluation in the Medical Outpatient Department for complaints of...

    Incorrect

    • A 72-year-old man undergoing evaluation in the Medical Outpatient Department for complaints of joint pain is found to have weakly positive serum antinuclear antibodies (ANAs). All his other blood tests are within normal limits.
      What is the most probable cause of this patient's ANA positivity?

      Your Answer: Ankylosing spondylitis (AS)

      Correct Answer: Age related

      Explanation:

      Understanding the Relationship Between ANAs and Various Medical Conditions

      As individuals age, the level of anti-nuclear antibodies (ANAs) in their blood tends to increase, particularly in those over 65 years old. Therefore, a weakly positive ANA sample in an older patient with normal blood results is likely due to age-related factors.

      Chronic fatigue syndrome (CFS) is not associated with ANA positivity. This diagnosis is made only after ruling out all other possibilities and finding no biochemical evidence to support it.

      Ankylosing spondylitis (AS) is not linked to any known antibodies. While patients with AS may have elevated levels of non-specific inflammatory markers, such as C-reactive protein and erythrocyte sedimentation rate, genetic testing for human leukocyte antigen (HLA)-B27 may aid in diagnosis.

      Primary antiphospholipid (APL) antibody syndrome does not typically involve ANA positivity. If ANAs are present in a patient with APL syndrome, it suggests a secondary form of the condition associated with a connective tissue disorder. APL syndrome is usually characterized by anti-cardiolipin antibodies and abnormal clotting studies.

      Myasthenia gravis, a condition characterized by fatiguability and weakness induced by repeated actions, is not related to ANAs. Instead, it is caused by antibodies targeting the nicotinic acetylcholine receptor.

    • This question is part of the following fields:

      • Immunology/Allergy
      16.4
      Seconds
  • Question 2 - A 42-year-old woman presents with bilateral hearing loss and tinnitus for several months....

    Correct

    • A 42-year-old woman presents with bilateral hearing loss and tinnitus for several months. Her mother and brother had similar issues. Ear examination reveals no abnormalities. An audiometry test indicates bilateral conductive hearing loss.
      What is the most probable diagnosis?

      Your Answer: Otosclerosis

      Explanation:

      Common Causes of Hearing Loss and Their Characteristics

      Hearing loss can be caused by various factors, including genetic factors, abnormal bone formation, and tumors. Here are some common causes of hearing loss and their characteristics:

      1. Otosclerosis: This condition affects young adults and causes conductive deafness. It is caused by abnormal bone formation around the base of the stapes, which eventually fuses with the bone of the cochlea, reducing normal sound transmission.

      2. Glue ear: This is a type of conductive hearing loss that is more common in children. There is no evidence of ear examination, but it can cause hearing difficulties.

      3. Meniere’s disease: This is a sensorineural type of hearing loss that is usually accompanied by vertigo and a sensation of fullness or pressure in the ear.

      4. Presbycusis: This is a sensorineural hearing loss that is associated with aging. Audiometry should show a bilateral high-frequency hearing loss.

      5. Vestibular schwannomas: This is a benign primary intracranial tumor that affects the vestibulocochlear nerve. It commonly presents with unilateral hearing loss and can affect the facial nerve causing facial palsy as well.

      Understanding the characteristics of these common causes of hearing loss can help in early detection and management of the condition.

    • This question is part of the following fields:

      • ENT
      15.5
      Seconds
  • Question 3 - A 3-year-old child presents to the emergency department with a 3 day history...

    Incorrect

    • A 3-year-old child presents to the emergency department with a 3 day history of left knee pain and irritability. The child had recently recovered from a viral respiratory tract infection and is currently asymptomatic and without fever. Upon examination, the joint is painful to move but not hot or red, and the child is able to bear weight. Laboratory results reveal a hemoglobin level of 140 g/L (male: 135-180, female: 115-160), platelet count of 450 * 109/L (150-400), white cell count of 11.5 * 109/L (4.0-11.0), CRP of 29 mg/L (<5), and ESR of 32 mm/hr (0-10). What is the most likely diagnosis?

      Your Answer: Juvenile idiopathic arthritis

      Correct Answer: Transient synovitis

      Explanation:

      Understanding Septic Arthritis in Children

      Septic arthritis is a condition that affects children and can lead to permanent joint damage and systemic infection if not treated promptly. It has an incidence of around 4-5 per 100,000 children and is more common in boys, with a M:F ratio of 2:1. The hip, knee, and ankle are the most commonly affected joints. Symptoms of septic arthritis include joint pain, limp, fever, and lethargy. Signs of the condition include a swollen and red joint, with minimal movement possible.

      To diagnose septic arthritis, joint aspiration is necessary to culture the affected area. This will show a raised white blood cell count. Inflammatory markers in the blood will also be raised, and blood cultures will be taken. The Kocher criteria are used to diagnose septic arthritis and include a fever of over 38.5 degrees Celsius, non-weight bearing, raised erythrocyte sedimentation rate (ESR), and raised white cell count (WCC).

      Understanding septic arthritis in children is crucial for prompt diagnosis and treatment to reduce the risk of permanent joint damage and systemic infection.

    • This question is part of the following fields:

      • Paediatrics
      69.8
      Seconds
  • Question 4 - A 28-year-old primip nurse has presented to you 5 days after being in...

    Correct

    • A 28-year-old primip nurse has presented to you 5 days after being in contact with a child who had a vesicular rash on their face and chest. She is currently 14 weeks pregnant and has been experiencing some morning sickness, but otherwise feels fine. Her blood tests show that she is not immune to varicella zoster virus. What should be the next course of action in your management plan?

      Your Answer: A single dose of varicella-zoster immunoglobulin (VZI)

      Explanation:

      If a pregnant woman is not immune to the varicella zoster virus and has been in close contact with someone who has the virus, it is recommended that she receive varicella-zoster immunoglobulin (VZIG) as soon as possible. VZIG can be effective up to 10 days after contact, or 10 days after the appearance of the rash in the person with the virus if there are continuous exposures.
      For pregnant women who are not immune and have been exposed to chickenpox, they should be considered potentially infectious from 8-28 days after exposure if they receive VZIG, and from 8-21 days after exposure if they do not receive VZIG.
      Source: RCOG

      Chickenpox exposure in pregnancy can pose risks to both the mother and fetus, including fetal varicella syndrome. Post-exposure prophylaxis (PEP) with varicella-zoster immunoglobulin (VZIG) or antivirals should be given to non-immune pregnant women, with timing dependent on gestational age. If a pregnant woman develops chickenpox, specialist advice should be sought and oral aciclovir may be given if she is ≥ 20 weeks and presents within 24 hours of onset of the rash.

    • This question is part of the following fields:

      • Reproductive Medicine
      22.7
      Seconds
  • Question 5 - A 50-year-old woman presents to her GP on the same day with a...

    Correct

    • A 50-year-old woman presents to her GP on the same day with a sudden onset of hearing loss in her right ear while having breakfast. She reports feeling well otherwise and denies any ear pain, discharge, or previous ENT issues. The patient has no significant medical history and is not taking any regular medications. Otoscopy reveals no abnormalities, and tuning fork tests confirm a sensorineural loss. What is the best course of action for managing this patient's condition?

      Your Answer: Refer urgently to ENT

      Explanation:

      If someone experiences sudden onset sensorineural hearing loss, it is important to refer them to an ENT specialist within 24 hours for investigation and potential treatment with steroids.

      Understanding Hearing Loss with Weber and Rinnes Tests

      Hearing loss can be classified as either conductive or sensorineural, and a formal assessment with pure tone audiometry is often necessary to determine which type is present. However, in a clinical setting, Weber and Rinnes tests can also be helpful in categorizing different types of hearing loss.

      The Weber test involves using a tuning fork to determine if a patient has symmetrical or asymmetrical hearing loss. In a normal patient, the sound is heard equally loud in both ears. However, in a patient with asymmetrical hearing loss, the sound is heard louder in one ear than the other. This finding should be confirmed by repeating the procedure and having the patient occlude one ear with a finger.

      The Rinne test involves comparing air conduction to bone conduction in both ears. In a patient with normal hearing, air conduction is greater than bone conduction in both ears. However, in a patient with sensorineural hearing loss, air conduction is greater than bone conduction in the unaffected ear. In a patient with conductive hearing loss, bone conduction is greater than air conduction in the affected ear.

      Understanding the results of these tests can help healthcare professionals diagnose and treat hearing loss. By identifying the type and severity of hearing loss, appropriate interventions such as hearing aids or cochlear implants can be recommended.

    • This question is part of the following fields:

      • ENT
      28.3
      Seconds
  • Question 6 - A 45-year-old woman is referred to Rheumatology Outpatients by her General Practitioner with...

    Correct

    • A 45-year-old woman is referred to Rheumatology Outpatients by her General Practitioner with a history of symptoms that highly resemble rheumatoid arthritis.
      Which one of the following X-ray findings would indicate a diagnosis of rheumatoid arthritis?

      Your Answer: Juxta-articular osteoporosis

      Explanation:

      Common X-Ray Findings in Arthritis

      Arthritis is a condition that affects the joints, causing pain, stiffness, and inflammation. X-rays are often used to diagnose and monitor arthritis, as they can reveal changes in the bones and joints. Here are some common X-ray findings in arthritis:

      Juxta-articular osteoporosis/osteopenia: This is an early X-ray feature of rheumatoid arthritis, characterized by a loss of bone density around the joints.

      Loss of joint space: Both osteoarthritis and rheumatoid arthritis can cause joint space narrowing, which occurs when the cartilage no longer keeps the bones a normal distance apart. This can be painful, as the bones rub or put too much pressure on each other.

      Osteophytes: These are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis.

      Subchondral cysts: This is a feature of a degenerative process (osteoarthritis). A subchondral cyst is a fluid-filled space inside a joint that extends from one of the bones that form the joint.

      Subchondral sclerosis: This is a thickening of bone that happens in joints affected by osteoarthritis.

      Overall, X-rays can provide valuable information about the progression of arthritis and help guide treatment decisions.

    • This question is part of the following fields:

      • Musculoskeletal
      17.9
      Seconds
  • Question 7 - A 65-year-old man with a history of Parkinson's disease comes to the clinic...

    Correct

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

      Your Answer: Seborrhoeic dermatitis

      Explanation:

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

      Understanding Seborrhoeic Dermatitis in Adults

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

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

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

    • This question is part of the following fields:

      • Dermatology
      13.9
      Seconds
  • Question 8 - A 5-year-old is brought by his father for abnormal stool patterns. He has...

    Incorrect

    • A 5-year-old is brought by his father for abnormal stool patterns. He has just started kindergarten and the staff note he does not go to the toilet when at the kindergarten. He returns home and has been trying to pass stool with difficulty and pain. His father is worried because he now passes frequent small stools at home and is not sure what to do.

      What is the initial management option for this child?

      Your Answer: Psyllium husk fibre with increased fluid intake

      Correct Answer: Macrogol daily

      Explanation:

      For a child experiencing functional constipation and showing signs of faecal impaction, the recommended first-line treatment is macrogols like Movicol. Docusate and senna are not the initial options but can be added if disimpaction is not achieved within two weeks. Lactulose is also a suitable osmotic laxative, but macrogols are more effective and therefore preferred as the first-line treatment. Liquid paraffin may be used as a lubricating laxative, but macrogols are more effective and should be used first. Psyllium husk is not appropriate for treating faecal impaction and may worsen the situation, so disimpaction should be achieved before increasing fibre intake.

      Understanding and Managing Constipation in Children

      Constipation is a common problem in children, with the frequency of bowel movements decreasing as they age. The National Institute for Health and Care Excellence (NICE) has provided guidelines for the diagnosis and management of constipation in children. A diagnosis of constipation is suggested by two or more symptoms, including infrequent bowel movements, hard stools, and associated distress or pain. Most cases of constipation in children are idiopathic, but other causes such as dehydration, low-fiber diet, and medication use should be considered and excluded.

      If a diagnosis of constipation is made, NICE recommends assessing for faecal impaction before starting treatment. Treatment for faecal impaction involves using polyethylene glycol 3350 + electrolytes (Movicol Paediatric Plain) as the first-line treatment, with the addition of a stimulant laxative if necessary. Maintenance therapy involves a similar regime, with adjustments to the starting dose and the addition of other laxatives if necessary.

      It is important to note that dietary interventions alone are not recommended as first-line treatment, although ensuring adequate fluid and fiber intake is important. Regular toileting and non-punitive behavioral interventions should also be considered. For infants, extra water, gentle abdominal massage, and bicycling the legs can be helpful for constipation. If these measures are not effective, lactulose can be added.

      In summary, constipation in children can be managed effectively with a combination of medication, dietary adjustments, and behavioral interventions. It is important to follow NICE guidelines and consider the individual needs of each child.

    • This question is part of the following fields:

      • Paediatrics
      26.3
      Seconds
  • Question 9 - A 30-year-old woman visits her GP after a staging CT revealed the presence...

    Incorrect

    • A 30-year-old woman visits her GP after a staging CT revealed the presence of gallstones in her gallbladder, following her recent diagnosis of renal cell carcinoma (RCC). She is interested in discussing the available management options. The patient reports no history of abdominal pain and is in good health otherwise. She is scheduled to undergo a left-sided nephrectomy for her RCC in three weeks. During the examination, the GP notes tenderness over the left flank, but no palpable masses. What is the appropriate course of action for this patient?

      Your Answer: Laparoscopic cholecystectomy 3 months following nephrectomy

      Correct Answer: Reassurance

      Explanation:

      If you have been diagnosed with asymptomatic gallbladder stones, there is no need to worry. These stones are often found incidentally during imaging tests that are unrelated to gallstone disease. As long as you have not experienced any symptoms for at least a year before the diagnosis and the stones are located in a normal gallbladder and biliary tree, no intervention is necessary.

      However, if you are experiencing symptoms or if the stones are located in the common bile duct, intervention is required. This can be done through surgical removal during laparoscopic cholecystectomy or through endoscopic retrograde cholangiopancreatography (ERCP) before or during the surgery. Rest assured that with proper intervention, you can effectively manage your gallbladder stones and prevent any complications.

      Gallstones: Symptoms, Diagnosis, and Treatment

      Gallstones are a common condition, with up to 24% of women and 12% of men affected. Local infection and cholecystitis may develop in up to 30% of cases, and 12% of patients undergoing surgery will have stones in the common bile duct. The majority of gallstones are of mixed composition, with pure cholesterol stones accounting for 20% of cases. Symptoms typically include colicky right upper quadrant pain that worsens after fatty meals. Diagnosis involves abdominal ultrasound and liver function tests, with magnetic resonance cholangiography or intraoperative imaging used to confirm the presence of stones in the bile duct. Treatment options include expectant management for asymptomatic gallstones, laparoscopic cholecystectomy for symptomatic gallstones, and early ERCP or surgical exploration for stones in the bile duct. Intraoperative cholangiography or laparoscopic ultrasound may be used to confirm anatomy or exclude CBD stones during surgery. ERCP carries risks such as bleeding, duodenal perforation, cholangitis, and pancreatitis.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      38.3
      Seconds
  • Question 10 - A 32-year-old man presents with a burning sensation and unusual appearance to his...

    Correct

    • A 32-year-old man presents with a burning sensation and unusual appearance to his tongue. Upon examination, small bumps are observed on the surface of the tongue, along with red patches and white lines that resemble a map.
      What is the most probable cause?

      Your Answer: Geographic tongue

      Explanation:

      Understanding Geographic Tongue: Symptoms, Causes, and Treatment

      Geographic tongue, also known as benign migratory glossitis, is a common condition that affects the tongue. It is characterized by irregularly shaped, red, smooth, and swollen patches on the tongue, often with a white border, giving rise to a map-like appearance. The exact cause of geographic tongue is unknown, but it has been associated with fissured tongue and has an inverse association with cigarette smoking.

      Symptoms of geographic tongue include a burning sensation on the tongue, and eating acidic foods can worsen the pain. While the condition is usually self-limiting, symptomatic treatment can include topical anaesthetic preparations and/or soluble corticosteroids used as a ‘mouth rinse’.

      It is important to note that geographic tongue is not a pre-malignant condition and is not associated with an increased risk of oral cancer. However, it is important to seek medical attention if you experience any unusual symptoms or changes in your oral health.

      Overall, understanding the symptoms, causes, and treatment options for geographic tongue can help individuals manage their condition and maintain good oral health.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      12.4
      Seconds
  • Question 11 - A 47-year-old man is hospitalized for pneumonia and has a medical history of...

    Correct

    • A 47-year-old man is hospitalized for pneumonia and has a medical history of Addison's disease, taking hydrocortisone (20 mg in the mornings and 10mg in the afternoon). What is the best course of action regarding his steroid dosage?

      Your Answer: Double hydrocortisone to 40mg mornings and 20mg afternoon

      Explanation:

      Understanding Corticosteroids and Their Side-Effects

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

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

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

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      22.6
      Seconds
  • Question 12 - A 27-year-old woman presents with new-onset diabetes. She has no past drug or...

    Incorrect

    • A 27-year-old woman presents with new-onset diabetes. She has no past drug or treatment history. Her fasting blood glucose is 7.3 mmol/l. Other significant medical history included occasional diarrhoea in the last four months, for which she took repeated courses of tinidazole. She also had an episode of severe leg pain three months ago, for which she takes warfarin. She is presently very depressed, as her sister has had renal calculus surgery, which has not gone well; she is in the Intensive Care Unit (ICU) with sepsis.
      What is the most appropriate next test?

      Your Answer: C-peptide assay

      Correct Answer: Genetic study

      Explanation:

      Diagnostic Tests for Various Medical Conditions

      Multiple Endocrine Neoplasia (MEN) 1 Syndrome: A genetic study to detect MEN 1 gene mutation on chromosome 11 is the best diagnostic test for patients with new-onset diabetes, diarrhea, and a past episode of deep vein thrombosis (DVT) who have a family history of renal calculi at a young age. This autosomal dominant disease is characterized by endocrine hyperfunction in various glands, with the parathyroid gland being the most common gland affected. Enteropancreatic tumors are the second most common, with gastrinoma and insulinoma being the two most common tumors. Glucagonoma can also occur, but rarely. Plasma glucagon and ghrelin levels are elevated in these cases.

      Giardiasis: A blood test for Giardia antigen is recommended for patients with watery, sometimes foul-smelling, diarrhea that may alternate with soft, greasy stools, fatigue or malaise, abdominal cramps and bloating, gas or flatulence, nausea, and weight loss. Tinidazole should have eliminated Giardia, but if symptoms persist, a blood test for Giardia antigen can confirm the diagnosis.

      Diabetes: A C-peptide assay can help distinguish type I diabetes from type II diabetes or maturity-onset diabetes of the young (MODY) by measuring how much of their own natural insulin a person is producing. This is useful if a patient receives insulin injections. The C-peptide assay will help clarify the cause of diabetes, but it will not help in detecting the underlying disease.

      Colonoscopy: Colonoscopy is not needed for the occasional diarrhea at present.

      Deep Vein Thrombosis (DVT): Protein C measurement will not help in the diagnosis of DVT. DVT occurs as a rare complication of glucagonoma, and treatment for glucagonoma includes octreotide, surgery, and streptozotocin (rarely).

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      32.7
      Seconds
  • Question 13 - A 55-year-old diabetic female patient comes in with bilateral erythematous lesions on her...

    Incorrect

    • A 55-year-old diabetic female patient comes in with bilateral erythematous lesions on her shins that have been present for four months. The lesions are surrounded by telangiectasia. What is the probable diagnosis?

      Your Answer: Erythema nodosum

      Correct Answer: Necrobiosis lipoidica

      Explanation:

      There is no association between erythema nodosum and telangiectasia in the surrounding area.

      Skin Disorders Linked to Diabetes

      Diabetes mellitus is a chronic metabolic disorder that affects various organs in the body, including the skin. Several skin disorders are associated with diabetes, including necrobiosis lipoidica, infections such as candidiasis and staphylococcal, neuropathic ulcers, vitiligo, lipoatrophy, and granuloma annulare. Necrobiosis lipoidica is characterized by shiny, painless areas of yellow, red, or brown skin, typically on the shin, and is often associated with surrounding telangiectasia. Infections such as candidiasis and staphylococcal can also occur in individuals with diabetes. Neuropathic ulcers are a common complication of diabetes, and vitiligo and lipoatrophy are also associated with the condition. Granuloma annulare is a papular lesion that is often slightly hyperpigmented and depressed centrally, but recent studies have not confirmed a significant association between diabetes mellitus and this skin disorder. It is important for individuals with diabetes to be aware of these potential skin complications and to seek medical attention if they notice any changes in their skin.

    • This question is part of the following fields:

      • Dermatology
      17.4
      Seconds
  • Question 14 - A 35-year-old woman is found to have a shortened QT interval on her...

    Incorrect

    • A 35-year-old woman is found to have a shortened QT interval on her ECG. Which medication is the most likely cause?

      Your Answer: Flecainide

      Correct Answer: Digoxin

      Explanation:

      Effects of Different Anti-Arrhythmic Drugs on QT Interval

      The QT interval is an important measure of cardiac repolarization, and abnormalities in this interval can lead to life-threatening arrhythmias. Different anti-arrhythmic drugs have varying effects on the QT interval.

      Cardiac glycosides such as digoxin and ouabain can shorten the QT interval, even at therapeutic doses. This is due to their ability to shorten the atrial and ventricular refractory periods.

      Class Ia drugs like disopyramide, class Ic drugs like flecainide, and class III drugs like amiodarone and sotalol all prolong the QT interval. Disopyramide can result in a long PR interval, while flecainide can cause a broad QRS or prolonged QT interval. Amiodarone is a class III drug that prolongs the QT interval, and sotalol causes dose-related prolongation of the QT interval.

      β-blockers like atenolol have a neutral effect on the QT interval in patients with a normal QT interval. However, they can act to stabilise the QT interval in patients with long QT syndrome.

      In summary, different anti-arrhythmic drugs have varying effects on the QT interval, and it is important to monitor this interval when prescribing these medications.

    • This question is part of the following fields:

      • Cardiovascular
      7.3
      Seconds
  • Question 15 - A 72-year-old man comes in for a check-up. He has just been diagnosed...

    Incorrect

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

      Your Answer: Weight loss if obese

      Correct Answer: Stop smoking

      Explanation:

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

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

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

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

    • This question is part of the following fields:

      • Ophthalmology
      26.8
      Seconds
  • Question 16 - A couple from Bangladesh, parents of a 13-year-old boy, seek guidance. They have...

    Correct

    • A couple from Bangladesh, parents of a 13-year-old boy, seek guidance. They have recently moved to the UK and have been advised by immigration officials that their son should receive the BCG vaccine for tuberculosis. The boy is currently healthy and shows no symptoms. What would be the most suitable course of action?

      Your Answer: Arrange a tuberculin skin test

      Explanation:

      Before administering the vaccine, it is crucial to conduct a tuberculin skin test to rule out any previous exposure to tuberculosis.

      The BCG Vaccine: Who Should Get It and How It’s Administered

      The Bacille Calmette-Guérin (BCG) vaccine is a vaccine that provides limited protection against tuberculosis (TB). In the UK, it is given to high-risk infants and certain groups of people who are at risk of contracting TB. The vaccine contains live attenuated Mycobacterium bovis and also offers limited protection against leprosy.

      The Greenbook provides guidelines on who should receive the BCG vaccine. It is recommended for all infants living in areas of the UK where the annual incidence of TB is 40/100,000 or greater, as well as infants with a parent or grandparent who was born in a country with a high incidence of TB. The vaccine is also recommended for previously unvaccinated tuberculin-negative contacts of cases of respiratory TB, new entrants under 16 years of age who were born in or have lived for a prolonged period in a high-risk country, healthcare workers, prison staff, staff of care homes for the elderly, and those who work with homeless people.

      Before receiving the BCG vaccine, any person being considered must first be given a tuberculin skin test, except for children under 6 years old who have had no contact with tuberculosis. The vaccine is given intradermally, normally to the lateral aspect of the left upper arm. It can be given at the same time as other live vaccines, but if not administered simultaneously, there should be a 4-week interval.

      There are some contraindications for the BCG vaccine, including previous BCG vaccination, a past history of tuberculosis, HIV, pregnancy, and a positive tuberculin test (Heaf or Mantoux). It is not given to anyone over the age of 35, as there is no evidence that it works for people of this age group.

    • This question is part of the following fields:

      • Paediatrics
      16.1
      Seconds
  • Question 17 - A 78-year-old man comes to the clinic complaining of a swollen left upper...

    Incorrect

    • A 78-year-old man comes to the clinic complaining of a swollen left upper eyelid that has been bothering him for the past 3 months. He recalls noticing a bump on the eyelid that was uncomfortable at first, but it gradually grew into a hard lump. He denies any pain at present and has not experienced any vision problems. Upon examination, the eye appears to be in good health. What is the probable diagnosis?

      Your Answer: Hordeolum externa

      Correct Answer: Chalazion

      Explanation:

      A painless, firm lump in the eyelid is indicative of a chalazion or Meibomian cyst. This occurs when the Meibomian gland becomes blocked, resulting in the formation of a cyst. It is often a consequence of an internal stye (hordeolum internum). Although cysts may resolve on their own, they may require topical antibiotics if they become infected. The absence of pain and the prolonged history suggest that it is not an internal or external stye. Blepharitis and ectropion are unlikely to cause a lump in the eyelid.

      Eyelid problems are quite common and can include a variety of issues. One such issue is blepharitis, which is inflammation of the eyelid margins that can cause redness in the eye. Another problem is a stye, which is an infection of the glands in the eyelids. Chalazion, also known as Meibomian cyst, is another eyelid problem that can occur. Entropion is when the eyelids turn inward, while ectropion is when they turn outward.

      Styes can come in different forms, such as external or internal. An external stye is an infection of the glands that produce sebum or sweat, while an internal stye is an infection of the Meibomian glands. Treatment for styes typically involves hot compresses and pain relief, with topical antibiotics only being recommended if there is also conjunctivitis present. A chalazion, on the other hand, is a painless lump that can form in the eyelid due to a retention cyst of the Meibomian gland. While most cases will resolve on their own, some may require surgical drainage.

    • This question is part of the following fields:

      • Ophthalmology
      16.4
      Seconds
  • Question 18 - A 16-year-old female comes to the clinic complaining of a painful and itchy...

    Incorrect

    • A 16-year-old female comes to the clinic complaining of a painful and itchy rash that has rapidly worsened in the last 12 hours. She has a history of atopic dermatitis and hayfever, which have been treated with emollients. Upon examination, she has a monomorphic rash with punched out erosions on her cheeks and bilateral dorsal wrists. The doctors admit her for observation and IV antivirals. What is the most likely pathogen responsible for her condition?

      Your Answer: Poxvirus

      Correct Answer: Herpes simplex 1

      Explanation:

      Eczema herpeticum is a skin infection primarily caused by herpes simplex virus (HSV) and, in rare cases, coxsackievirus. Herpes zoster leads to chickenpox, roseola is caused by HHV 6, and molluscum contagiosum is caused by poxvirus.

      Understanding Eczema Herpeticum

      Eczema herpeticum is a serious skin infection caused by herpes simplex virus 1 or 2. It is commonly observed in children with atopic eczema and is characterized by a rapidly progressing painful rash. The infection can be life-threatening, which is why it is important to seek medical attention immediately.

      During examination, doctors typically observe monomorphic punched-out erosions, which are circular, depressed, and ulcerated lesions that are usually 1-3 mm in diameter. Due to the severity of the infection, children with eczema herpeticum should be admitted to the hospital for intravenous aciclovir treatment. It is important to understand the symptoms and seek medical attention promptly to prevent any complications.

    • This question is part of the following fields:

      • Dermatology
      55
      Seconds
  • Question 19 - A 25-year-old man visits his GP complaining of a rash that has spread...

    Correct

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

      Your Answer: Guttate psoriasis

      Explanation:

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

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

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

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

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

    • This question is part of the following fields:

      • Dermatology
      20.1
      Seconds
  • Question 20 - A 43-year-old woman is diagnosed with premature ovarian failure and prescribed HRT for...

    Correct

    • A 43-year-old woman is diagnosed with premature ovarian failure and prescribed HRT for symptom relief and bone health. What other medical condition is she at a higher risk for?

      Your Answer: Ischaemic heart disease

      Explanation:

      Premature menopause is linked to higher mortality rates, including an increased risk of osteoporosis and cardiovascular disease, specifically ischaemic heart disease. Oestrogen is known to have protective effects on bone health and cardiovascular disease, making the increased risks associated with premature menopause particularly concerning. Hormone replacement therapy (HRT) is often recommended until the normal age of menopause, with a discussion of the risks and benefits of continuing HRT beyond that point. A 2015 NICE review found that the baseline risk of coronary heart disease and stroke for menopausal women varies based on individual cardiovascular risk factors. HRT with oestrogen alone is associated with no or reduced risk of coronary heart disease, while HRT with oestrogen and progestogen is linked to little or no increase in the risk of coronary heart disease. However, taking oral (but not transdermal) oestrogen is associated with a small increase in the risk of stroke.

      Premature Ovarian Insufficiency: Causes and Management

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

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

    • This question is part of the following fields:

      • Cardiovascular
      13.7
      Seconds
  • Question 21 - A 29-year-old female of Afro-Caribbean descent visits the oncology clinic after being referred...

    Incorrect

    • A 29-year-old female of Afro-Caribbean descent visits the oncology clinic after being referred by her primary care physician. She has observed some painless, asymmetrical lymphadenopathy lumps on her neck. She reports experiencing more night sweats lately and has noticed some discomfort when consuming alcohol.
      What characteristic is linked to a negative prognosis for the most probable diagnosis?

      Your Answer: Alcohol-induced pain

      Correct Answer: Night sweats

      Explanation:

      Experiencing fever above 38ºC and night sweats in the past 6 months is linked to a poor prognosis if at least one of these ‘B’ symptoms is present. While acute lymphoblastic leukemia has a worse prognosis in individuals of Afro-Caribbean descent, Hodgkin’s lymphoma does not typically present with bone marrow failure and is more common in children. Alcohol-induced pain may be present in some cases of Hodgkin’s lymphoma, but it does not indicate a poor prognosis. While female sex is not linked to a poor prognosis, some studies suggest that males may have a worse outcome. Asymmetrical lymphadenopathy is a characteristic of Hodgkin’s lymphoma but has not been associated with a worse prognosis.

      Understanding Hodgkin’s Lymphoma: Histological Classification and Prognosis

      Hodgkin’s lymphoma is a type of cancer that affects the lymphocytes and is characterized by the presence of Reed-Sternberg cells. It is most commonly seen in individuals in their third and seventh decades of life. The histological classification of Hodgkin’s lymphoma is based on the type of cells present and their frequency. The most common type is nodular sclerosing, which is more common in women and has a good prognosis. Mixed cellularity is the second most common type and is associated with a large number of Reed-Sternberg cells. Lymphocyte predominant is a rare type with the best prognosis, while lymphocyte depleted is the rarest and has the worst prognosis.

      In addition to the histological classification, there are other factors that can affect the prognosis of Hodgkin’s lymphoma. The presence of B symptoms, such as weight loss, fever, and night sweats, is associated with a poor prognosis. Other factors identified in a 1998 NEJM paper include age over 45 years, stage IV disease, low hemoglobin levels, low lymphocyte count, male gender, low albumin levels, and high white blood cell count. Understanding the histological classification and prognosis of Hodgkin’s lymphoma can help guide treatment decisions and improve outcomes for patients.

    • This question is part of the following fields:

      • Haematology/Oncology
      29.2
      Seconds
  • Question 22 - A 55-year-old woman visits her GP seeking advice on starting hormone replacement therapy...

    Incorrect

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

      Your Answer: Evening primrose oil

      Correct Answer: Cyclical combined HRT

      Explanation:

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

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

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

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

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

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

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      21.8
      Seconds
  • Question 23 - A 35 year-old woman has been diagnosed with fibroids and has been attempting...

    Correct

    • A 35 year-old woman has been diagnosed with fibroids and has been attempting to conceive for 2 years. She has been undergoing evaluation at the sub-fertility clinic and all tests have come back normal except for the presence of three uterine fibroids, which are asymptomatic. Her partner's semen analysis showed no abnormalities.
      What are the most suitable treatment options in this scenario?

      Your Answer: Myomectomy

      Explanation:

      If a woman with large fibroids is experiencing fertility issues, the most effective treatment option that also preserves her ability to conceive in the future is myomectomy. However, depending on the specifics of the procedure, the woman may need to consider delivery options, such as a caesarean section, due to the risk of uterine rupture.

      While GnRH agonists can shrink fibroids and make them easier to remove surgically, they also temporarily turn off the ovaries, inhibiting ovulation and making pregnancy impossible during treatment. Additionally, fibroids tend to regrow after treatment is stopped. However, when combined with myomectomy, GnRH agonists can be a suitable treatment option.

      Endometrial ablation, on the other hand, destroys the endometrial lining, making it impossible for an embryo to implant. Uterine artery embolisation is also not recommended for women trying to conceive, as it significantly reduces blood supply to the uterus, making it impossible for a fetus to implant and grow.

      Understanding Uterine Fibroids

      Uterine fibroids are non-cancerous growths that develop in the uterus. They are more common in black women and are thought to occur in around 20% of white women in their later reproductive years. Fibroids are usually asymptomatic, but they can cause menorrhagia, which can lead to iron-deficiency anaemia. Other symptoms include lower abdominal pain, bloating, and urinary symptoms. Fibroids may also cause subfertility.

      Diagnosis is usually made through transvaginal ultrasound. Asymptomatic fibroids do not require treatment, but periodic monitoring is recommended. Menorrhagia secondary to fibroids can be managed with various treatments, including the levonorgestrel intrauterine system, NSAIDs, tranexamic acid, and hormonal therapies.

      Medical treatment to shrink or remove fibroids may include GnRH agonists or ulipristal acetate, although the latter is not currently recommended due to concerns about liver toxicity. Surgical options include myomectomy, hysteroscopic endometrial ablation, hysterectomy, and uterine artery embolization.

      Fibroids generally regress after menopause, but complications such as subfertility and iron-deficiency anaemia can occur. Red degeneration, which is haemorrhage into the tumour, is a common complication during pregnancy.

    • This question is part of the following fields:

      • Reproductive Medicine
      19.3
      Seconds
  • Question 24 - A 35-year-old woman is recommended varenicline to aid in her smoking cessation. What...

    Correct

    • A 35-year-old woman is recommended varenicline to aid in her smoking cessation. What is the mechanism of action of varenicline?

      Your Answer: Nicotinic receptor partial agonist

      Explanation:

      NICE guidance recommends offering nicotine replacement therapy (NRT), varenicline, or bupropion to patients for smoking cessation, with no preference for one medication over another. NRT should be offered in combination for those with high nicotine dependence or inadequate response to single forms. Varenicline should be started a week before the target stop date and monitored for adverse effects, including nausea and suicidal behavior. Bupropion should also be started before the target stop date and is contraindicated in epilepsy, pregnancy, and breastfeeding. Pregnant women should be tested for smoking and referred to NHS Stop Smoking Services, with first-line interventions being cognitive behavior therapy, motivational interviewing, or structured self-help and support. NRT may be used if other measures fail, but varenicline and bupropion are contraindicated.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      12.2
      Seconds
  • Question 25 - A 30-year-old woman with a family history of renal disease presents with gross...

    Correct

    • A 30-year-old woman with a family history of renal disease presents with gross haematuria. She reports that her sister recently underwent a kidney transplant and that her mother passed away due to renal failure. During physical examination, a significant mass is palpated in the left lumbar region, and a smaller mass is felt in the right flank. Elevated levels of blood urea and serum creatinine are observed.
      What is the most likely diagnosis?

      Your Answer: Adult polycystic kidney disease

      Explanation:

      Common Kidney Disorders and their Clinical Presentations

      Autosomal Dominant Polycystic Kidney Disease (ADPKD)
      ADPKD is a progressive disorder characterized by cyst formation and enlargement in the kidney and other organs. Patients may experience pain in the abdomen, flank or back, and hypertension is a common early manifestation. Palpable, bilateral flank masses are present in advanced ADPKD.

      Renal Cell Carcinoma (RCC)
      RCC is the most common type of kidney cancer in adults. It may remain clinically occult for most of its course, with only 10% of patients presenting with the classic triad of flank pain, haematuria, and unilateral palpable flank mass. RCC presents with hypercalcaemia manifestations in 5% of cases and with varicocele in 2% of men.

      Renal Calculi
      Renal calculi, or nephrolithiasis, classically present with sudden onset of severe pain originating in the flank and radiating inferiorly and anteriorly. On examination, there is dramatic costovertebral angle tenderness.

      Prostatic Carcinoma
      Most cases of prostate cancer are identified by screening in asymptomatic men. Symptoms include urinary complaints or retention, back pain, and haematuria. Findings in patients with advanced disease include bony tenderness, lower-extremity oedema or deep venous thrombosis, and an overdistended bladder due to outlet obstruction.

      Renal Amyloidosis
      Patients with renal amyloidosis typically present with proteinuria and/or hypertension, followed by progressive renal failure. Haematuria is not a feature.

      Clinical Presentations of Common Kidney Disorders

    • This question is part of the following fields:

      • Renal Medicine/Urology
      26.2
      Seconds
  • Question 26 - A middle-aged man is concerned that the lump he has discovered in his...

    Correct

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

      Your Answer: Hypochondriasis

      Explanation:

      Differentiating Hypochondriasis from Other Disorders

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

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

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

    • This question is part of the following fields:

      • Psychiatry
      18
      Seconds
  • Question 27 - A 28-year-old female visits her GP with complaints of recurring lower abdominal pain....

    Correct

    • A 28-year-old female visits her GP with complaints of recurring lower abdominal pain. The pain occurs every month, around midcycle, and lasts for 1-2 days. She experiences a cramping sensation and there is no associated vaginal bleeding. She reports feeling well otherwise during these episodes and denies any gastrointestinal issues or changes to her menstrual cycle. Physical examination today is unremarkable. What is the probable cause of her symptoms?

      Your Answer: Mittelschmerz

      Explanation:

      If a woman experiences pelvic pain during ovulation but does not have any vaginal bleeding, it may be Mittelschmerz. This type of pain is typically felt in the middle of the menstrual cycle. It is unlikely that a young patient with normal examination and intermittent abdominal pain during ovulation has ovarian malignancy. Additionally, there are no symptoms of hirsutism or changes to periods that suggest PCOS, nor are there any gastrointestinal symptoms that suggest IBS.

      Understanding Mittelschmerz: Abdominal Pain Associated with Ovulation

      Mittelschmerz, which translates to middle pain, is a type of abdominal pain that occurs during ovulation in approximately 20% of women. The exact cause of this mid-cycle pain is not fully understood, but there are several theories. One theory suggests that the pain is caused by the leakage of follicular fluid containing prostaglandins during ovulation. Another theory suggests that the growth of the follicle stretches the surface of the ovary, leading to pain.

      The pain associated with Mittelschmerz typically presents suddenly in either iliac fossa and then spreads to the pelvic area. The pain is usually not severe and can last from minutes to hours. It is self-limiting and resolves within 24 hours of onset. The pain may switch sides from month to month, depending on the site of ovulation.

      There are no specific tests to confirm Mittelschmerz, and it is diagnosed clinically after taking a full history and examination to exclude other conditions. Abdominal and pelvic examinations typically do not reveal any abnormal signs.

      Mittelschmerz is not harmful and can be managed with simple analgesia. Understanding this condition can help women recognize and manage the pain associated with ovulation.

    • This question is part of the following fields:

      • Reproductive Medicine
      17.1
      Seconds
  • Question 28 - A 9-year-old girl comes to the clinic with a one-month history of unusual...

    Incorrect

    • A 9-year-old girl comes to the clinic with a one-month history of unusual facial movements noticed by her father. Her father reports that he first noticed her having twitching of left eye and face as well as drooling of saliva. This happens about twice a week, always at night. Each episode lasts for 1-2 minutes and after each episode, the girl is unable to speak properly for around 5 minutes. The girl is aware of these occurrences but reports unable to control them. The father reports that his daughter is otherwise normal with normal development.
      What is the diagnosis?

      Your Answer: Idiopathic childhood occipital epilepsy of Gastaut

      Correct Answer: Benign rolandic epilepsy

      Explanation:

      Benign rolandic epilepsy is identified by the occurrence of partial seizures during the night.

      The child displays typical indications of benign rolandic epilepsy, which is distinguished by partial seizures that occur during the night. Reflex anoxic seizures are caused by anoxia and typically manifest as syncope and subsequent convulsions in very young children. Panayiotopoulos syndrome is characterised by seizures, often prolonged, with predominantly autonomic symptoms such as nausea and retching. Idiopathic childhood occipital epilepsy of Gastaut is mainly characterised by visual hallucinations. Night terrors are a sleep disorder that causes feelings of dread or terror, typically during REM sleep.

      Benign rolandic epilepsy is a type of epilepsy that usually affects children between the ages of 4 and 12 years. This condition is characterized by seizures that typically occur at night and are often partial, causing sensations in the face. However, these seizures may also progress to involve the entire body. Despite these symptoms, children with benign rolandic epilepsy are otherwise healthy and normal.

      Diagnosis of benign rolandic epilepsy is typically confirmed through an electroencephalogram (EEG), which shows characteristic centrotemporal spikes. Fortunately, the prognosis for this condition is excellent, with seizures typically ceasing by adolescence. While the symptoms of benign rolandic epilepsy can be concerning for parents and caregivers, it is important to remember that this condition is generally not associated with any long-term complications or developmental delays.

    • This question is part of the following fields:

      • Paediatrics
      22.2
      Seconds
  • Question 29 - A 70-year-old man has been taking warfarin for 2 years due to paroxysmal...

    Correct

    • A 70-year-old man has been taking warfarin for 2 years due to paroxysmal atrial fibrillation. He recently underwent DC cardioversion and is now in sinus rhythm after consulting with his cardiologist. His CHAD-VASC score is 4. Assuming he remains in sinus rhythm, what is the best course of action for his anticoagulation?

      Your Answer: Continue anticoagulation lifelong

      Explanation:

      Anticoagulation should be continued long-term, even if sinus rhythm is maintained, following elective DC cardioversion for AF in high-risk patients. The correct answer is to continue anticoagulation lifelong, with regular evaluation of bleeding risk. The options of continuing anticoagulation for 4 weeks or 6 months then stopping are incorrect for this patient who has a high CHAD-VASC score. One week of low molecular weight heparin is not the appropriate answer in this case, although it may be used for thromboprophylaxis in some post-surgical patients.

      Atrial Fibrillation and Cardioversion: Elective Procedure for Rhythm Control

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

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

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

    • This question is part of the following fields:

      • Cardiovascular
      18.8
      Seconds
  • Question 30 - You are concerned that your patient may be experiencing premature menopause due to...

    Correct

    • You are concerned that your patient may be experiencing premature menopause due to her irregular menstrual cycle and hot flashes. Which of the following situations would provide evidence for this diagnosis?

      Your Answer: Patient age 39 with raised FSH/LH and low oestradiol

      Explanation:

      Premature menopause is characterized by irregular menstrual cycles occurring before the age of 45, along with elevated FSH/LH levels and low oestradiol levels in blood tests. The pituitary gland releases more hormones in an attempt to stimulate the failing ovary to produce oestrogen, resulting in a negative feedback loop. Therefore, options 1, 3, 4, and 5 are incorrect. Option 5 depicts primary pituitary failure.

      Premature Ovarian Insufficiency: Causes and Management

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

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

    • This question is part of the following fields:

      • Reproductive Medicine
      15.7
      Seconds
  • Question 31 - A 68-year-old man visits his GP after being urged by his son. He...

    Incorrect

    • A 68-year-old man visits his GP after being urged by his son. He reports experiencing left-sided facial drooping four days ago, which he observed in the mirror. He did not seek medical attention at the time and was relieved to see that it disappeared on its own after approximately 40 minutes. He has not had any additional symptoms since then. Besides an immediate referral to specialist services, what should be done about drug treatment?

      Your Answer: Clopidogrel 75mg

      Correct Answer: Aspirin 300mg

      Explanation:

      If a patient is suspected of having a TIA and visits their GP within 7 days, they should receive immediate treatment with 300 mg aspirin and be referred to a specialist for review within 24 hours. NICE guidelines also suggest considering gastric protection with a PPI if necessary.

      A transient ischaemic attack (TIA) is a brief period of neurological deficit caused by a vascular issue, lasting less than an hour. The original definition of a TIA was based on time, but it is now recognized that even short periods of ischaemia can result in pathological changes to the brain. Therefore, a new ’tissue-based’ definition is now used. The clinical features of a TIA are similar to those of a stroke, but the symptoms resolve within an hour. Possible features include unilateral weakness or sensory loss, aphasia or dysarthria, ataxia, vertigo, or loss of balance, visual problems, and sudden transient loss of vision in one eye (amaurosis fugax).

      NICE recommends immediate antithrombotic therapy with aspirin 300 mg unless the patient has a bleeding disorder or is taking an anticoagulant. If the patient has had more than one TIA or has a suspected cardioembolic source or severe carotid stenosis, specialist review is necessary. Urgent assessment is required within 24 hours for patients who have had a suspected TIA in the last 7 days. Referral for specialist assessment is necessary as soon as possible within 7 days for patients who have had a suspected TIA more than a week previously. Neuroimaging and carotid imaging are recommended, and antithrombotic therapy is necessary. Carotid artery endarterectomy should only be considered if the carotid stenosis is greater than 70% according to ECST criteria or greater than 50% according to NASCET criteria.

    • This question is part of the following fields:

      • Neurology
      24.2
      Seconds
  • Question 32 - During a routine medication review, you observe your patient, a 50 year-old male,...

    Correct

    • During a routine medication review, you observe your patient, a 50 year-old male, displaying some skin changes. The knuckles of both hands have purplish plaques, and the patient's eyelids also appear purple. There is no history of skin problems in the patient's medical records. What is the probable diagnosis?

      Your Answer: Dermatomyositis

      Explanation:

      Dermatomyositis is a connective tissue disease that presents with skin changes such as plaques on the knuckles and eyelids, scaling of the scalp, and changes to the nail beds and cuticles. It is often accompanied by inflammation of the proximal muscles causing weakness. It can be an autoimmune condition or a paraneoplastic syndrome and is treated with immunosuppressants.

      Dermatomyositis is a condition that causes inflammation and muscle weakness, as well as distinct skin lesions. It can occur on its own or be associated with other connective tissue disorders or underlying cancers, particularly ovarian, breast, and lung cancer. Screening for cancer is often done after a diagnosis of dermatomyositis. Polymyositis is a variant of the disease that does not have prominent skin manifestations.

      The skin features of dermatomyositis include a photosensitive macular rash on the back and shoulders, a heliotrope rash around the eyes, roughened red papules on the fingers’ extensor surfaces (known as Gottron’s papules), extremely dry and scaly hands with linear cracks on the fingers’ palmar and lateral aspects (known as mechanic’s hands), and nail fold capillary dilatation. Other symptoms may include proximal muscle weakness with tenderness, Raynaud’s phenomenon, respiratory muscle weakness, interstitial lung disease (such as fibrosing alveolitis or organizing pneumonia), dysphagia, and dysphonia.

      Investigations for dermatomyositis typically involve testing for ANA antibodies, which are positive in around 80% of patients. Approximately 30% of patients have antibodies to aminoacyl-tRNA synthetases, including antibodies against histidine-tRNA ligase (also called Jo-1), antibodies to signal recognition particle (SRP), and anti-Mi-2 antibodies.

    • This question is part of the following fields:

      • Musculoskeletal
      21.7
      Seconds
  • Question 33 - A 55-year-old man presents to the diabetes clinic for a follow-up appointment. He...

    Correct

    • A 55-year-old man presents to the diabetes clinic for a follow-up appointment. He was diagnosed with type 2 diabetes mellitus (T2DM) approximately 8 years ago and is currently taking gliclazide and atorvastatin. He has a history of bladder cancer, which was successfully treated 2 years ago. The patient recently tried metformin, but discontinued it due to gastrointestinal side-effects. He works as an accountant, does not smoke, and has a BMI of 31 kg/m². His annual blood work reveals the following results:
      - Sodium (Na+): 138 mmol/l
      - Potassium (K+): 4.1 mmol/l
      - Urea: 4.3 mmol/l
      - Creatinine: 104 µmol/l
      - HbA1c: 62 mmol/mol (7.8%)

      What would be the most appropriate course of action for managing this patient's diabetes?

      Your Answer: Add sitagliptin

      Explanation:

      Due to his history of bladder cancer and obesity, pioglitazone is not recommended and contraindicated. Instead, sitagliptin, a DPP-4 inhibitor, is the most suitable option. Exenatide, which typically leads to weight loss, is beneficial for obese individuals with diabetes, but it does not meet the NICE criteria for body mass index of 35 kg/m².

      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
      43.4
      Seconds
  • Question 34 - A 6-month-old is brought in by a concerned mother. She reports her baby...

    Incorrect

    • A 6-month-old is brought in by a concerned mother. She reports her baby crying after feeds and drawing his legs to his chest for several weeks. His growth is good and examination unremarkable.
      Which of the following is the best treatment option?

      Your Answer: Gaviscon

      Correct Answer: Supportive advice and reassurance

      Explanation:

      Managing Infantile Colic: Supportive Advice and Reassurance

      Infantile colic can be a challenging condition for both parents and babies. While there is little evidence for treating colic, there are some strategies that can help manage the symptoms. Nursing the baby upright after feeds, bathing the infant in warm water, using white noise, gentle movement of baby, eg rocking the crib, holding baby during an episode, winding well and offering reassurance when needed can all be helpful.

      However, it’s important to note that medications such as Infacol, Colief, Gaviscon, and Ranitidine are not recommended as first-line treatments due to lack of evidence. Maternal diet modification, probiotic supplements, herbal supplements, and manipulative strategies are also not recommended.

      If your baby is experiencing colic, know that you are not alone and that supportive advice and reassurance can go a long way in managing the symptoms.

    • This question is part of the following fields:

      • Paediatrics
      20.9
      Seconds
  • Question 35 - A 56-year-old man with difficult hypertension comes to the GP clinic for follow-up....

    Correct

    • A 56-year-old man with difficult hypertension comes to the GP clinic for follow-up. His average blood pressure over the past two weeks has been 168/100 mmHg and today in the clinic it is 176/102 mmHg. He is currently taking a combination of telmisartan 80 mg and hydrochlorothiazide 25mg tablets, as well as amlodipine 10mg daily. The latest laboratory results are as follows:

      Na+ 136 mmol/L (135 - 145)
      K+ 3.8 mmol/L (3.5 - 5.0)
      Bicarbonate 25 mmol/L (22 - 29)
      Urea 5 mmol/L (2.0 - 7.0)
      Creatinine 135 µmol/L (55 - 120)

      What would be the most appropriate next step?

      Your Answer: Add spironolactone

      Explanation:

      For a patient with poorly controlled moderate hypertension who is already taking an ACE inhibitor, calcium channel blocker, and thiazide diuretic, the recommended next step would be to add spironolactone if their potassium level is less than 4.5mmol/L. Atenolol may be considered as a fourth-line agent if the potassium level is over 4.5mmol/L, but spironolactone is preferred according to NICE guidelines. Hydralazine should not be used outside of specialist care, and indapamide is not the best option as the patient is already taking a thiazide diuretic. Prazosin is an alternative to spironolactone, but spironolactone is preferred given the lower potassium level.

      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
      26.5
      Seconds
  • Question 36 - A 42-year-old woman has a history of excessive sweating, palpitations and weight loss...

    Incorrect

    • A 42-year-old woman has a history of excessive sweating, palpitations and weight loss for the past six months. She now has a headache.
      On examination, her blood pressure is 230/130 mmHg, with a postural drop to 180/110 mmHg. Her pulse is bounding and 115 beats per minute and she has a tremor and looks pale. The rest of the examination is normal.
      Excess production of which of the following hormones is most likely to be the cause of this woman’s signs and symptoms?

      Your Answer: Thyroxine

      Correct Answer: Catecholamines

      Explanation:

      Explanation of Hypertension and Possible Causes

      Hypertension, or high blood pressure, can have various underlying causes. In the case of this patient, their symptoms suggest a rare tumour called phaeochromocytoma, which secretes catecholamines and can lead to malignant hypertension. Hyperaldosteronism and excess cortisol production (Cushing’s syndrome) are other possible causes of hypertension, but they do not explain the patient’s symptoms. Abnormalities in renin, which regulates blood pressure, can also contribute to hypertension. Hyperthyroidism could explain most of the patient’s symptoms, but it is less likely to cause severe hypertension or headaches. Therefore, further investigation is needed to confirm the diagnosis and determine the appropriate treatment.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      19.6
      Seconds
  • Question 37 - A 56-year-old man with a history of type 2 diabetes mellitus and benign...

    Correct

    • A 56-year-old man with a history of type 2 diabetes mellitus and benign prostatic hyperplasia presents to dermatology with multiple lesions on his shin. Upon examination, symmetrical, tender, erythematous nodules are observed. The lesions are healing without scarring. What is the probable diagnosis?

      Your Answer: Erythema nodosum

      Explanation:

      The relevant diagnosis for this question relies solely on the description of the lesions, as the patient’s medical history is not a factor. Specifically, the tender shin lesions are indicative of erythema nodosum.

      Understanding Shin Lesions: Differential Diagnosis and Characteristic Features

      Shin lesions can be caused by a variety of conditions, and it is important to differentiate between them in order to provide appropriate treatment. The four most common conditions that can cause shin lesions are erythema nodosum, pretibial myxoedema, pyoderma gangrenosum, and necrobiosis lipoidica diabeticorum.

      Erythema nodosum is characterized by symmetrical, tender, erythematous nodules that heal without scarring. It is often caused by streptococcal infections, sarcoidosis, inflammatory bowel disease, or certain medications such as penicillins, sulphonamides, or oral contraceptive pills.

      Pretibial myxoedema, on the other hand, is seen in Graves’ disease and is characterized by symmetrical, erythematous lesions that give the skin a shiny, orange peel appearance.

      Pyoderma gangrenosum initially presents as a small red papule, which later develops into deep, red, necrotic ulcers with a violaceous border. It is idiopathic in 50% of cases, but may also be seen in inflammatory bowel disease, connective tissue disorders, and myeloproliferative disorders.

      Finally, necrobiosis lipoidica diabeticorum is characterized by shiny, painless areas of yellow/red skin typically found on the shin of diabetics. It is often associated with telangiectasia.

      In summary, understanding the differential diagnosis and characteristic features of shin lesions can help healthcare professionals provide appropriate treatment and improve patient outcomes.

    • This question is part of the following fields:

      • Dermatology
      15.3
      Seconds
  • Question 38 - A 28-year-old man with Crohn's disease visits his primary care physician complaining of...

    Correct

    • A 28-year-old man with Crohn's disease visits his primary care physician complaining of discomfort in the area around his anus. He mentions the presence of malodorous pus when he cleans himself. During the examination, a draining opening is observed on his perineum. A digital rectal exam confirms the diagnosis of a perianal fistula. What imaging modality is the best option for this condition?

      Your Answer: MRI pelvis

      Explanation:

      When investigating suspected perianal fistulae in patients with Crohn’s disease, MRI is the preferred imaging modality. This is because an MRI can accurately map out the extent and track of the fistula, as well as identify any associated abscesses or other fistulas. As perianal fistulas are a soft tissue pathology, an MRI pelvis is the most effective way to visualize them. Barium enema is not reliable for imaging small structures like fistulas, while CT pelvis may potentially identify fistulas but is less sensitive and accurate than MRI. Endo-anal ultrasound may be used for some perianal fistulas, but given the likelihood of complex fistulas in Crohn’s disease, MRI is the preferred option. Additionally, MRI is preferable in adults of reproductive age to avoid unnecessary radiation exposure to the reproductive organs.

      Managing Crohn’s Disease: Guidelines and Treatment Options

      Crohn’s disease is a type of inflammatory bowel disease that can affect any part of the digestive tract. To manage this condition, the National Institute for Health and Care Excellence (NICE) has published guidelines that provide recommendations for inducing and maintaining remission, as well as treating complications. One of the most important steps in managing Crohn’s disease is to advise patients to quit smoking, as this can worsen the condition. Additionally, some medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs) and the combined oral contraceptive pill, may increase the risk of relapse, although the evidence is not conclusive.

      To induce remission, glucocorticoids are often used, either orally, topically, or intravenously. Budesonide is an alternative for some patients. Enteral feeding with an elemental diet may also be used, especially in young children or when there are concerns about the side effects of steroids. Second-line treatments for inducing remission include 5-ASA drugs like mesalazine, as well as azathioprine or mercaptopurine, which may be used in combination with other medications. Methotrexate is another option. Infliximab is useful for refractory disease and fistulating Crohn’s, and patients may continue on azathioprine or methotrexate.

      To maintain remission, stopping smoking is a priority, and azathioprine or mercaptopurine is used first-line. TPMT activity should be assessed before starting these medications. Methotrexate is used second-line. Surgery may be necessary for around 80% of patients with Crohn’s disease, depending on the location and severity of the disease. Complications of Crohn’s disease include small bowel cancer, colorectal cancer, and osteoporosis. Perianal fistulae and abscesses require specific treatments, such as oral metronidazole, anti-TNF agents like infliximab, or a draining seton. By following these guidelines and treatment options, patients with Crohn’s disease can better manage their condition and improve their quality of life.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      19.7
      Seconds
  • Question 39 - A 48-year-old man comes back to the clinic for a blood pressure check...

    Correct

    • A 48-year-old man comes back to the clinic for a blood pressure check following an increase in his ramipril dosage. During the check, his blood pressure is recorded as 152/96 mmHg, and he reports getting similar readings on his home monitor. Which medication would be the most suitable to initiate for this patient?

      Your Answer: Amlodipine

      Explanation:

      If a patient in this age group has poorly controlled hypertension despite taking an ACE inhibitor (or angiotensin II receptor blocker), the next step is to consider adding a calcium channel blocker or a thiazide-like diuretic. In this case, adding a calcium channel blocker would be the appropriate choice. Beta blockers are not recommended in the NICE guidelines for hypertension management. While a thiazide-like diuretic could also be an option, furosemide, a loop diuretic, is not suitable. It is important to note that adding another ACE inhibitor is not recommended since the patient is already taking one.

      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
      46.4
      Seconds
  • Question 40 - A 67-year-old woman comes to her General Practitioner complaining of severe mucosal ulceration...

    Correct

    • A 67-year-old woman comes to her General Practitioner complaining of severe mucosal ulceration and blistering lesions on her torso and arms. Upon examination, the blisters are flaccid and rupture easily upon contact. What is the most appropriate course of action for this likely diagnosis? Choose the BEST management option from the list below.

      Your Answer: Refer urgently to dermatology

      Explanation:

      Urgent Referral to Dermatology for Pemphigus Vulgaris Treatment

      Pemphigus vulgaris requires urgent referral to the Dermatology Team for investigation and treatment. Supportive measures include wound care and antiseptic regimens to reduce the risk of secondary infection. Patients should also avoid activities that may traumatize the skin and mucous membranes during active phases. Topical steroids are used in milder cases, while systemic corticosteroids with topical treatments are preferred in advanced cases. Emollients and oral antihistamines are not first-line treatments. Topical clobetasone butyrate can be used in mild cases, but referral to Dermatology is still necessary. Topical clotrimazole is not a first-line treatment, and topical dapsone should not be started immediately without further investigation and treatment from Dermatology.

    • This question is part of the following fields:

      • Dermatology
      22.2
      Seconds
  • Question 41 - A 28-year-old presents to his General Practitioner with a 2-month history of pain...

    Incorrect

    • A 28-year-old presents to his General Practitioner with a 2-month history of pain in his right elbow. His GP suspects that the patient has lateral epicondylitis.
      What examination findings would confirm the diagnosis?

      Your Answer: Pain is aggravated by wrist flexion and pronation

      Correct Answer: Pain worse on resisted wrist extension with the elbow extended

      Explanation:

      Common Elbow Pain Symptoms and Their Features

      Elbow pain can be caused by various conditions, each with its own set of symptoms. Here are some common elbow pain symptoms and their features:

      1. Lateral Epicondylitis (Tennis Elbow)
      – Pain and tenderness localized to the lateral epicondyle
      – Pain worsens on resisted wrist extension with the elbow extended or supination of the forearm with the elbow extended
      – Episodes typically last between six months and two years; patients tend to have acute pain for 6-12 weeks
      – Pain aggravated by wrist flexion and pronation

      2. Medial Epicondylitis (Golfer’s Elbow)
      – Pain and tenderness localized to the medial epicondyle
      – Pain aggravated by wrist flexion and pronation
      – Symptoms may be accompanied by numbness/tingling in the fourth and fifth fingers due to ulnar-nerve involvement

      3. Cubital Tunnel Syndrome
      – Initially intermittent tingling in the fourth and fifth fingers
      – Pain worsens when the elbow is resting on a firm surface or flexed for extended periods
      – Later numbness in the fourth and fifth fingers with associated weakness

      4. Carpal Tunnel Syndrome
      – Pain worsens when the wrists are in complete flexion for at least 30 seconds
      – The Phalen test is done to investigate its presence

      5. Olecranon Bursitis
      – Swelling over the posterior aspect of the elbow with associated pain, warmth, and erythema
      – Typically affects middle-aged male patients

      Understanding Common Symptoms of Elbow Pain

    • This question is part of the following fields:

      • Musculoskeletal
      43.7
      Seconds
  • Question 42 - A 35-year-old woman has recently undergone blood monitoring for hypothyroidism. She is currently...

    Incorrect

    • A 35-year-old woman has recently undergone blood monitoring for hypothyroidism. She is currently on a 100 micrograms dose of levothyroxine and her last blood tests showed normal levels of thyroid-stimulating hormone (TSH) and free thyroxine (ft4). However, her TSH has now risen to 8mU/L with ft4 slightly below the reference range. The patient confirms that she has been taking her levothyroxine as prescribed. You decide to review her recent medications to identify any potential causes for the suboptimal hypothyroidism treatment. What new medication could be responsible for this?

      Your Answer: Folic acid

      Correct Answer: Ferrous sulphate

      Explanation:

      To avoid reducing the absorption of levothyroxine, it is important to give iron/calcium carbonate tablets at least four hours apart from the medication. Ferrous sulphate is the medication that can affect the absorption of levothyroxine and should also be given four hours apart. Patients should be advised to separate doses of calcium carbonate or antacids containing aluminium and magnesium from levothyroxine by at least four hours. It is recommended to review potential drug interactions before increasing treatment doses and refer to The National Institute for Health and Care Excellence (NICE) clinical knowledge summaries for a detailed list of potential drug interactions. The other medications listed do not have a known effect on the absorption of levothyroxine.

      Managing Hypothyroidism: Dosage, Monitoring, and Side-Effects

      Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormone. The main treatment for hypothyroidism is levothyroxine, a synthetic form of thyroid hormone. When managing hypothyroidism, it is important to consider the patient’s age, cardiac history, and initial starting dose. Elderly patients and those with ischaemic heart disease should start with a lower dose of 25mcg od, while other patients can start with 50-100mcg od. After a change in dosage, thyroid function tests should be checked after 8-12 weeks to ensure the therapeutic goal of normalising the thyroid stimulating hormone (TSH) level is achieved. The target TSH range is 0.5-2.5 mU/l.

      Women with hypothyroidism who become pregnant should have their dose increased by at least 25-50 micrograms levothyroxine due to the increased demands of pregnancy. The TSH should be monitored carefully, aiming for a low-normal value. It is important to note that there is no evidence to support combination therapy with levothyroxine and liothyronine.

      While levothyroxine is generally well-tolerated, there are some potential side-effects to be aware of. Over-treatment can lead to hyperthyroidism, while long-term use can reduce bone mineral density. In patients with cardiac disease, levothyroxine can worsen angina and lead to atrial fibrillation. It is also important to be aware of drug interactions, particularly with iron and calcium carbonate, which can reduce the absorption of levothyroxine. These medications should be given at least 4 hours apart.

      In summary, managing hypothyroidism involves careful consideration of dosage, monitoring of TSH levels, and awareness of potential side-effects and drug interactions. With appropriate management, patients with hypothyroidism can achieve normal thyroid function and improve their overall health.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      32.3
      Seconds
  • Question 43 - At what age can people receive the shingles vaccine? ...

    Incorrect

    • At what age can people receive the shingles vaccine?

      Your Answer: 50-60 years old

      Correct Answer: 70 or 78-years old

      Explanation:

      Shingles Vaccine Availability by Age

      The shingles vaccine is available to individuals at different ages depending on their stage of life. Those who are 70 or 78-years old are eligible to receive the vaccine. However, it is not routinely offered to patients who are in their 50’s or 60’s. The vaccine is not part of the routine childhood immunisation schedule and is only available to NHS patients in their 70’s. It is not offered to individuals who are 80 or older, as it appears to be less effective in this age group. It is important to consult with a healthcare provider to determine the appropriate age to receive the shingles vaccine.

    • This question is part of the following fields:

      • Immunology/Allergy
      9.6
      Seconds
  • Question 44 - As a young medical practitioner in the emergency department, you encounter a patient...

    Correct

    • As a young medical practitioner in the emergency department, you encounter a patient who has been in a severe road accident. The patient has suffered significant head injuries and is now reliant on mechanical ventilation, with no signs of responsiveness. You and your senior colleagues suspect that the patient may have experienced brain death. What is the process for confirming this diagnosis?

      Your Answer: By a minimum of two doctors on separate occasions

      Explanation:

      To minimize the risk of errors, brain death testing must be conducted by two experienced doctors on different occasions. The testing involves evaluating the patient’s history, pupil reactions, reflexes, pain response, and respiratory effort. Once brain death is confirmed, life support can be discontinued, and the patient may be considered for organ donation, which can take place before the withdrawal of life support.

      Criteria and Testing for Brain Stem Death

      Brain death occurs when the brain and brain stem cease to function, resulting in irreversible loss of consciousness and vital functions. To determine brain stem death, certain criteria must be met and specific tests must be performed. The patient must be in a deep coma of known cause, with reversible causes excluded and no sedation. Electrolyte levels must be normal.

      The testing for brain stem death involves several assessments. The pupils must be fixed and unresponsive to changes in light intensity. The corneal reflex must be absent, and there should be no response to supraorbital pressure. The oculo-vestibular reflexes must be absent, which is tested by injecting ice-cold water into each ear. There should be no cough reflex to bronchial stimulation or gagging response to pharyngeal stimulation. Finally, there should be no observed respiratory effort in response to disconnection from the ventilator for at least five minutes, with adequate oxygenation ensured.

      It is important that the testing is performed by two experienced doctors on two separate occasions, with at least one being a consultant. Neither doctor can be a member of the transplant team if organ donation is being considered. These criteria and tests are crucial in determining brain stem death and ensuring that the patient is beyond recovery.

    • This question is part of the following fields:

      • Neurology
      30
      Seconds
  • Question 45 - ACE inhibitors can cause cough as a side effect. Which of the following...

    Correct

    • ACE inhibitors can cause cough as a side effect. Which of the following statements is true about the cause of this cough? Please select one option.

      Your Answer: They affect the breakdown of bradykinin within the lungs

      Explanation:

      The Effects of ACE Inhibitors on the Lungs

      ACE inhibitors are a class of medications commonly used to treat hypertension and heart failure. While they are generally well-tolerated, they can have some effects on the lungs. Here are some key points to keep in mind:

      – ACE inhibitors can increase the concentration of bradykinin within the lungs, which can lead to a persistent dry cough in some patients.
      – Unlike beta blockers, ACE inhibitors do not cause bronchospasm. In fact, they may be a good choice for patients with asthma or other respiratory conditions.
      – Dysgeusia, or a metallic taste in the mouth, is a possible side effect of ACE inhibitors. This is more common with captopril than with other drugs in this class.
      – ACE inhibitors do not increase bronchial mucus secretion.
      – While ACE inhibitors do cause vasodilation, which can lower blood pressure, they are not associated with pulmonary congestion.

      Overall, ACE inhibitors are generally safe and effective medications for treating hypertension and heart failure. However, patients should be aware of these potential effects on the lungs and discuss any concerns with their healthcare provider.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      12.3
      Seconds
  • Question 46 - A 75-year-old man has isolated systolic hypertension. He also has angina, gout and...

    Incorrect

    • A 75-year-old man has isolated systolic hypertension. He also has angina, gout and peripheral vascular disease.
      Which of the following antihypertensives is best suited for him initially?

      Your Answer: Atenolol

      Correct Answer: Amlodipine

      Explanation:

      Antihypertensive Medications and NICE Guidelines

      NICE guidelines recommend different antihypertensive medications based on age and ethnicity. For those under 55, an ACE inhibitor or ARB is advised, while calcium channel blockers are recommended for those over 55 and of Afro-Caribbean origin. Thiazide diuretics, such as bendroflumethiazide, are only third-line treatments and contraindicated in gout. Furosemide is not indicated for hypertension but can be used for oedema in heart failure. Beta blockers, like atenolol, are relatively contraindicated in peripheral vascular disease and not recommended for hypertension treatment. ACE inhibitors, such as ramipril, are the first-line treatment for patients under 55, while calcium channel blockers are advised for those over 55, like an 80-year-old patient.

    • This question is part of the following fields:

      • Cardiovascular
      21.5
      Seconds
  • Question 47 - A 25-year-old football player comes to the GP clinic complaining of a loss...

    Incorrect

    • A 25-year-old football player comes to the GP clinic complaining of a loss of motor function in his left leg. He denies any specific injuries and has an important game next week that he's been anxious about. He enters the room using crutches. During the examination, it is found that he has 0/5 power in his left knee, ankle, and toes. The rest of the neurological and musculoskeletal examination is unremarkable. Blood tests and a lumbar MRI come back normal, making an organic cause for his symptoms unlikely. He is eager to know the reason behind his condition so that he can resume his training.
      What is the most probable cause of his symptoms?

      Your Answer: Factitious disorder

      Correct Answer: Conversion disorder

      Explanation:

      It is probable that the patient is experiencing conversion disorder, which is often triggered by stress and involves the loss of motor or sensory function. The potential grand final rugby game may have been the stressor in this case.

      Somatisation disorder is unlikely as it requires the presence of multiple physical symptoms for at least two years, whereas this patient has only one acute onset symptom. Dissociative disorder is also improbable as there are no evident psychiatric symptoms such as amnesia, stupor, or fugue. The patient remembers clearly that he has a football game and has not sustained any recent injuries.

      However, factitious disorder cannot be ruled out entirely. It is possible that the patient is feigning the symptom to avoid playing the game, but further investigation is necessary. The patient claims to be eager to return to playing, which does not support the notion of factitious disorder.

      Psychiatric Terms for Unexplained Symptoms

      There are various psychiatric terms used to describe patients who exhibit symptoms for which no organic cause can be found. One such disorder is somatisation disorder, which involves the presence of multiple physical symptoms for at least two years, and the patient’s refusal to accept reassurance or negative test results. Another disorder is illness anxiety disorder, which is characterized by a persistent belief in the presence of an underlying serious disease, such as cancer, despite negative test results.

      Conversion disorder is another condition that involves the loss of motor or sensory function, and the patient does not consciously feign the symptoms or seek material gain. Patients with this disorder may be indifferent to their apparent disorder, a phenomenon known as la belle indifference. Dissociative disorder, on the other hand, involves the process of ‘separating off’ certain memories from normal consciousness, and may manifest as amnesia, fugue, or stupor. Dissociative identity disorder (DID) is the most severe form of dissociative disorder and was previously known as multiple personality disorder.

      Factitious disorder, also known as Munchausen’s syndrome, involves the intentional production of physical or psychological symptoms. Finally, malingering is the fraudulent simulation or exaggeration of symptoms with the intention of financial or other gain. Understanding these psychiatric terms can help healthcare professionals better diagnose and treat patients with unexplained symptoms.

    • This question is part of the following fields:

      • Psychiatry
      29.6
      Seconds
  • Question 48 - Male infertility is most commonly associated with which of the following? ...

    Correct

    • Male infertility is most commonly associated with which of the following?

      Your Answer: Varicocele

      Explanation:

      Male Reproductive Conditions: Varicocele, Spermatocele, BPH, Hydrocele, and Testicular Cancer

      Male infertility can be caused by deficiencies in sperm formation, concentration, or transportation. One common condition that can lead to infertility is varicocele, which is a dilatation of the veins in the scrotum. Although varicoceles are present in 15% of the male population, they are considered the most common correctable cause of infertility. Varicoceles may lead to impaired testicular function and can progress over time, but repair can improve semen parameters and fertility.

      Spermatocele, on the other hand, is a benign cystic accumulation of sperm that arises from the epididymis and is not associated with male infertility. Treatment is usually not recommended in men of reproductive age due to the risk of epididymal damage.

      Benign prostatic hyperplasia (BPH) is a histological diagnosis characterized by prostate enlargement, but it is not associated with male infertility. In patients with spinal cord injury, infertility may be related to functional failure of the prostate gland and hyperactivation of the immune system.

      Hydrocele is a fluid collection within the scrotum or along the spermatic cord, but it is not associated with male infertility. Testicular cancer, the most common solid malignant tumor in young men, is also not directly associated with infertility, but surgical resection may lead to retrograde ejaculation and other fertility issues.

      The initial evaluation of male infertility should be rapid, non-invasive, and cost-effective, as most conditions can be diagnosed with history, physical examination, and hormonal and semen analysis alone. Further studies can be ordered if necessary.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      7.1
      Seconds
  • Question 49 - A 48-year-old woman is seen in the diabetes clinic with poorly controlled type...

    Incorrect

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

      Your Answer: Add either a DPP-4 inhibitor or exenatide

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

      Explanation:

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

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      22.4
      Seconds
  • Question 50 - A 35-year-old man presents to his General Practitioner. He has noticed a few...

    Correct

    • A 35-year-old man presents to his General Practitioner. He has noticed a few patches of pale skin on his arms over the past few weeks. He is not particularly worried about these but wants to know what it could be and what he needs to do about it.
      On examination, a few depigmented patches on the arms are noted. His medical history includes asthma, for which he takes inhalers.
      Given the likely diagnosis, which of the following treatments should he be started on?

      Your Answer: Daily sunscreen to the affected areas

      Explanation:

      Managing Vitiligo: Recommended Treatments and Precautions

      Vitiligo is a skin condition that requires careful management to prevent further damage and reduce the risk of skin cancer. Daily application of sunscreen to affected areas is crucial due to increased susceptibility to UV-light-induced damage. Camouflaging makeup can also help alleviate psychological distress. Topical steroids are recommended for up to two months, and if there is no response, a referral to a dermatologist is necessary. Emollients and oral antihistamines are not useful in vitiligo management. Oral steroids are rarely used, and topical clotrimazole and dapsone are not first-line treatments. Topical tacrolimus and phototherapy may have a role, but caution is needed for light-skinned patients. Overall, early intervention and precautionary measures are key to managing vitiligo effectively.

    • This question is part of the following fields:

      • Dermatology
      24.8
      Seconds
  • Question 51 - A 13-year-old girl comes to her doctor with a 5-month history of aching...

    Incorrect

    • A 13-year-old girl comes to her doctor with a 5-month history of aching pain and swelling in the distal part of her left thigh. She has a family history of retinoblastoma and is in good health otherwise. A radiograph of her knee reveals a sunburst pattern and a triangular area of new subperiosteal bone in the metaphyseal region of the femur. What is the most probable diagnosis?

      Your Answer: Ewing's sarcoma

      Correct Answer: Osteosarcoma

      Explanation:

      Types of Bone Tumours

      Bone tumours can be classified into two categories: benign and malignant. Benign tumours are non-cancerous and do not spread to other parts of the body. Osteoma is a common benign tumour that occurs on the skull and is associated with Gardner’s syndrome. Osteochondroma, on the other hand, is the most common benign bone tumour and is usually diagnosed in patients aged less than 20 years. It is characterized by a cartilage-capped bony projection on the external surface of a bone. Giant cell tumour is a tumour of multinucleated giant cells within a fibrous stroma and is most commonly seen in the epiphyses of long bones.

      Malignant tumours, on the other hand, are cancerous and can spread to other parts of the body. Osteosarcoma is the most common primary malignant bone tumour and is mainly seen in children and adolescents. It occurs most frequently in the metaphyseal region of long bones prior to epiphyseal closure. Ewing’s sarcoma is a small round blue cell tumour that is also seen mainly in children and adolescents. It occurs most frequently in the pelvis and long bones and tends to cause severe pain. Chondrosarcoma is a malignant tumour of cartilage that most commonly affects the axial skeleton and is more common in middle-age. It is important to diagnose and treat bone tumours early to prevent complications and improve outcomes.

    • This question is part of the following fields:

      • Musculoskeletal
      17
      Seconds
  • Question 52 - A 62-year-old woman comes to her General Practitioner for her annual medication review....

    Incorrect

    • A 62-year-old woman comes to her General Practitioner for her annual medication review. Her regular medications are levothyroxine 75 µg, lisinopril 10 mg and she has recently completed a course of ibuprofen tablets. She has been feeling tired and sluggish recently with frequent headaches. Examination reveals she has gained 2 kg since her last review, blood pressure is 142/78 mmHg, pulse is 88 bpm and she has a dry skin. Full blood count, urea and electrolytes and liver function tests are normal. Her thyroid-function test (TFT) results are: Thyroid-stimulating hormone (TSH) 6.0 mU/l (0.25–4.0 mU/l) Free T4 10.0 pmol/l (12.0–22.0 pmol/l) What is the most appropriate next step in her management?

      Your Answer: Increased dose of levothyroxine

      Correct Answer: Reduce levothyroxine dose

      Explanation:

      The patient is experiencing hyperthyroidism due to an excess of levothyroxine replacement. It is important to reduce the dose of levothyroxine and monitor the patient with regular blood tests until they become euthyroid again. Starting carbimazole or increasing the dose of levothyroxine is not recommended as it could lead to further complications. Propylthiouracil is only used in cases of thyrotoxic storm and radio-iodine therapy is not necessary in this case as the hyperthyroidism is due to over-replacement of levothyroxine.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      28.5
      Seconds
  • Question 53 - A 38-year-old woman comes to you with a sudden onset of right-sided facial...

    Correct

    • A 38-year-old woman comes to you with a sudden onset of right-sided facial weakness, which appears to be a lower motor neuron palsy. There are no other neurological symptoms on examination, and her ears appear normal. You diagnose her with Bell's palsy and prescribe prednisolone. What is the crucial next step in managing her condition?

      Your Answer: Prescribe artifical tears and advise eye taping at night

      Explanation:

      Understanding Bell’s Palsy

      Bell’s palsy is a sudden, one-sided facial nerve paralysis of unknown cause. It is more common in individuals aged 20-40 years and pregnant women. The condition is characterized by lower motor neuron facial nerve palsy, which affects the forehead. Unlike upper motor neuron lesions, the upper face is spared. Patients may also experience post-auricular pain, altered taste, dry eyes, and hyperacusis.

      The management of Bell’s palsy has been a subject of debate. However, it is now widely accepted that all patients should receive oral prednisolone within 72 hours of onset. The addition of antiviral medications is still a matter of discussion, but it may be beneficial for severe facial palsy. Eye care is also crucial to prevent exposure keratopathy, and patients should be prescribed artificial tears and eye lubricants. If they are unable to close their eyes at bedtime, they should tape them closed using microporous tape.

      If the paralysis shows no sign of improvement after three weeks, an urgent referral to ENT is necessary. Patients with long-standing weakness may require a referral to plastic surgery. The prognosis for Bell’s palsy is generally good, with most patients making a full recovery within 3-4 months. However, untreated patients may experience permanent moderate to severe weakness in around 15% of cases.

    • This question is part of the following fields:

      • Neurology
      16.8
      Seconds
  • Question 54 - A 28-year-old woman presents to her General Practitioner for investigation, as she and...

    Correct

    • A 28-year-old woman presents to her General Practitioner for investigation, as she and her partner have not become pregnant after eight months of regular sexual intercourse. She is usually healthy and is not taking any regular medications. The pelvic examination is normal.
      What would be the next most appropriate step in this patient's management?

      Your Answer: Watch and wait

      Explanation:

      Fertility Management in Men: Appropriate Investigations and Management Options

      When it comes to fertility management in men, it is important to follow the guidelines set by the National Institute for Health and Care Excellence (NICE). According to NICE, couples who have been trying to conceive for a year with regular intercourse should be referred to fertility services. However, earlier investigation may be necessary if there is an underlying medical reason for conception difficulties. This means that watching and waiting for 12 months is the appropriate management option in most cases.

      One of the investigations that may be necessary is a semen analysis, which is indicated after a year of trying to conceive. Testicular biopsy, on the other hand, is only necessary if there is a potential testicular carcinoma or for sperm retrieval for in-vitro fertilisation (IVF) procedures.

      While screening for anti-sperm antibodies may be necessary in secondary care, it is not usually arranged in primary care. Similarly, screening for gonorrhoea is not part of the investigations for reduced fertility as it does not have a significant effect on a patient’s ability to conceive and is not usually asymptomatic. However, excluding asymptomatic chlamydia infection is an important part of the investigation for patients who are struggling with reduced fertility.

    • This question is part of the following fields:

      • Reproductive Medicine
      13.7
      Seconds
  • Question 55 - A 32-year-old woman has been referred by her General Practitioner (GP), as she...

    Correct

    • A 32-year-old woman has been referred by her General Practitioner (GP), as she is passing a substantial volume of urine. She complains that she is continuously thirsty.
      Random plasma reveals the following:
      Investigation Result Normal values
      Sodium (Na+) 155 mmol
      Osmolality 300 mOsmol/kg
      Glucose 4.5 mmol
      Urine analysis reveals the following:
      Investigation Result
      Osmolality 90 mOsmol/kg
      Glucose 0.1 mmol/l
      In healthy patients, the urine : plasma osmolality ratio is > 2.
      A water deprivation test reveals the following:
      After 6.5 hours of fluid deprivation, the patient’s weight had dropped by > 3%, and the serum osmolality was 310 mOsmol/kg. Urine osmolality at this stage was 210 mOsmol/kg. The patient was then given desmopressin intramuscularly (IM) and allowed to drink. The urine osmolality increased to 700 mOsmol/kg, and her plasma osmolality was 292 mOsmol/kg.
      Which of the following is the most likely diagnosis?

      Your Answer: A pituitary tumour

      Explanation:

      Diagnosing Cranial Diabetes Insipidus: A Pituitary Tumour as the Likely Cause

      Cranial diabetes insipidus (DI) is a condition where the kidneys are unable to reabsorb free water, resulting in excessive water loss. The most likely cause of this condition is reduced antidiuretic hormone (ADH) secretion, which can be caused by a pituitary tumour. In this case, the patient’s low urine osmolality and reduced response to the water deprivation test confirm the presence of cranial DI.

      Chronic renal disease and lithium therapy can also cause nephrogenic DI, but the patient’s response to desmopressin im excludes these as potential causes. Diabetes mellitus may cause polydipsia and polyuria, but it also presents with glycosuria and hyperglycaemia. Primary polydipsia, characterized by a compulsive desire to drink, can cause low urine osmolality, but the patient’s ability to concentrate urine to some extent excludes this as a likely cause.

      In conclusion, a pituitary tumour is the most likely cause of the patient’s cranial DI, as confirmed by the water deprivation test and response to desmopressin im.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      41
      Seconds
  • Question 56 - A 50-year-old man with a persistent chest infection visits the clinic for evaluation....

    Incorrect

    • A 50-year-old man with a persistent chest infection visits the clinic for evaluation. Despite two rounds of antibiotics, there has been no significant improvement. The medical team decides to conduct a chest x-ray and screening blood tests. When analyzing the blood tests, which of the following markers is typically not elevated in response to an acute infection?

      Your Answer: Platelets

      Correct Answer: Albumin

      Explanation:

      A decrease in albumin levels is frequently observed after an acute phase response.

      Acute phase proteins are a group of proteins that are produced by the liver in response to inflammation or infection. These proteins are involved in various physiological processes such as immune response, blood clotting, and iron metabolism. Examples of acute phase proteins include CRP, procalcitonin, ferritin, fibrinogen, alpha-1 antitrypsin, caeruloplasmin, serum amyloid A, serum amyloid P component, haptoglobin, and complement.

      During the acute phase response, the liver decreases the production of other proteins known as negative acute phase proteins. These proteins include albumin, transthyretin, transferrin, retinol binding protein, and cortisol binding protein. The levels of acute phase proteins, particularly CRP, are commonly measured in acutely unwell patients. Elevated levels of CRP are indicative of inflammation or infection, and levels greater than 150 at 48 hours post-surgery suggest the development of complications.

      It is important to note that while acute phase proteins play a significant role in humans, some of these proteins, such as serum amyloid P component, have a more significant role in other mammals like mice. Overall, the production of acute phase proteins is a crucial part of the body’s response to inflammation or infection, and monitoring their levels can aid in the diagnosis and management of various medical conditions.

    • This question is part of the following fields:

      • Infectious Diseases
      112.9
      Seconds
  • Question 57 - A 62-year-old female presents with a red eye on one side that is...

    Correct

    • A 62-year-old female presents with a red eye on one side that is watering but not causing any pain. She has a history of well-managed Crohn's disease and reports feeling generally healthy. Her vital signs are normal. Upon examination, a small area of redness is observed, but there is no vision impairment, and the patient does not display any sensitivity to light. Eye drops are given, resulting in a brief whitening of the blood vessels. What is the probable diagnosis?

      Your Answer: Episcleritis

      Explanation:

      Episcleritis is a condition that can cause redness in the eye, but it is typically not accompanied by pain.

      Both episcleritis and scleritis can cause unilateral redness in the eye, tearing, and no sensitivity to light. However, a key difference between the two is that the use of phenylephrine or neosynephrine eye drops will cause the blood vessels in episcleritis to become pale, while this will not occur in scleritis.

      In contrast, closed-angle glaucoma often presents with a painful, red eye that is unilateral. The cornea may appear hazy, and the pupil may be mid-dilated. Patients may also experience nausea, vomiting, and see halos around lights.

      A stye, or hordeolum, is a bacterial infection of one of the glands in the eyelid. This can cause a tender, red bump on the edge of the eyelid.

      Retrobulbar hemorrhage can occur due to various factors, such as AV malformation, trauma, or increased venous pressure. Symptoms include a painful, red eye that may protrude, particularly at night. Patients may also experience reduced vision, nausea, vomiting, and double vision.

      Understanding Episcleritis

      Episcleritis is a condition that involves the sudden onset of inflammation in the episclera of one or both eyes. While the majority of cases are idiopathic, there are some associated conditions such as inflammatory bowel disease and rheumatoid arthritis. Symptoms of episcleritis include a red eye, mild pain or irritation, watering, and mild photophobia. However, unlike scleritis, episcleritis is typically not painful.

      One way to differentiate between the two conditions is by applying gentle pressure on the sclera. If the injected vessels are mobile, it is likely episcleritis. In contrast, scleritis involves deeper vessels that do not move. Phenylephrine drops may also be used to distinguish between the two conditions. If the eye redness improves after phenylephrine, a diagnosis of episcleritis can be made.

      Approximately 50% of cases of episcleritis are bilateral. Treatment for episcleritis is typically conservative, with artificial tears sometimes being used. Understanding the symptoms and differences between episcleritis and scleritis can help individuals seek appropriate treatment and management for their eye condition.

    • This question is part of the following fields:

      • Ophthalmology
      16.9
      Seconds
  • Question 58 - A 27-year-old woman has been given a single dose of 1.5mg LevonelleTM (levonorgestrel)...

    Incorrect

    • A 27-year-old woman has been given a single dose of 1.5mg LevonelleTM (levonorgestrel) as emergency contraception after having unprotected sexual intercourse (UPSI) 24 hours ago. She wants to start taking oral combined hormonal contraception (‘the pill’) as ongoing contraception immediately as she anticipates having further UPSI. What is the appropriate time to begin ongoing contraception after taking emergency contraception?

      Your Answer: After 7 days

      Correct Answer: Immediately

      Explanation:

      According to FSRH guidelines, it is acceptable to begin hormonal contraception immediately after taking levonorgestrel (Levonelle) for emergency contraception. It is important to wait 5 days after taking ulipristal acetate (Ella-OneTM) before starting ongoing hormonal contraception. Waiting until the start of the next menstrual period is not necessary for quick-starting hormonal contraception, which can be done if the patient prefers it or if there is ongoing risk of pregnancy. While a negative pregnancy test at 21 days post-UPSI can reasonably exclude pregnancy, it is still recommended to take a pregnancy test 21 days after the episode of UPSI in case emergency contraception has failed.

      Emergency contraception is available in the UK through two methods: emergency hormonal contraception and intrauterine device (IUD). Emergency hormonal contraception includes two types of pills: levonorgestrel and ulipristal. Levonorgestrel works by stopping ovulation and inhibiting implantation, while ulipristal primarily inhibits ovulation. Levonorgestrel should be taken as soon as possible after unprotected sexual intercourse, within 72 hours, and is 84% effective when used within this time frame. The dose should be doubled for those with a BMI over 26 or weight over 70kg. Ulipristal should be taken within 120 hours of intercourse and may reduce the effectiveness of hormonal contraception. The most effective method of emergency contraception is the copper IUD, which can be inserted within 5 days of unprotected intercourse or up to 5 days after the likely ovulation date. It may inhibit fertilization or implantation and is 99% effective regardless of where it is used in the cycle. Prophylactic antibiotics may be given if the patient is at high risk of sexually transmitted infection.

    • This question is part of the following fields:

      • Reproductive Medicine
      23.4
      Seconds
  • Question 59 - A 25-year-old gymnast complains of experiencing pain in her lateral forearm that worsens...

    Incorrect

    • A 25-year-old gymnast complains of experiencing pain in her lateral forearm that worsens when she straightens her wrist or fingers. Additionally, she occasionally feels a peculiar sensation in her hand similar to pins and needles. During the examination, she displays tenderness below the common extensor origin, with no pain over the lateral epicondyle itself. What is the probable reason for her forearm pain?

      Your Answer: Olecranon bursitis

      Correct Answer: Radial tunnel syndrome

      Explanation:

      Radial tunnel syndrome and lateral epicondylitis have similar presentations, but radial tunnel syndrome causes pain distal to the epicondyle and worsens with elbow extension and forearm pronation. This can make it challenging to differentiate between the two conditions. Radial tunnel syndrome is more common in athletes who frequently hyperextend their wrists or perform supination/pronation movements, such as gymnasts, racquet players, and golfers. Patients may also experience hand paraesthesia or wrist aching. Cubital tunnel syndrome, on the other hand, causes tingling and numbness in the 4th and 5th fingers, while olecranon bursitis results in swelling over the posterior elbow.

      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
      18.6
      Seconds
  • Question 60 - A 25-year-old female presented to her GP with a grey, thin, creamy vaginal...

    Correct

    • A 25-year-old female presented to her GP with a grey, thin, creamy vaginal discharge.
      Which of the following is the best verbal advice to give her?

      Your Answer: Avoid perfumed soaps

      Explanation:

      Bacterial Vaginosis: Symptoms, Risk Factors, and Diagnosis

      Bacterial vaginosis (BV) is a common vaginal infection caused by an overgrowth of bacteria. It is important for patients to understand the symptoms, risk factors, and diagnosis of BV in order to properly manage and treat the condition.

      Symptoms of BV include vaginal odor, increased vaginal discharge, vulvar irritation, and rarely, dysuria or dyspareunia. Risk factors for BV include recent antibiotic use, decreased estrogen production, presence of an intrauterine device, douching, and sexual activity that could lead to transmission.

      Physical findings of BV include grey, thin, and homogeneous vaginal discharge that adheres to the vaginal mucosa, increased light reflex of the vaginal walls, and typically little or no evidence of inflammation. Diagnosis of BV is made through microscopic examination of the discharge, with demonstration of three of the following four Amsel criteria: clue cells on a saline smear, a pH >4.5, characteristic discharge, and a positive whiff test.

      Patients with BV should be advised to wash only with hypoallergenic bar soaps or no soap at all, avoid liquid soaps, body washes, and perfumed soaps, and not to douche or use over-the-counter vaginal hygiene products. While studies have shown inconsistent results, some patients may find relief from symptoms by using yogurt containing live bacteria.

      It is important to properly manage and treat BV, as long-standing or untreated cases may lead to more serious complications such as endometritis, salpingitis, pelvic inflammatory disease, or pregnancy complications. However, with proper care and attention, the prognosis for uncomplicated cases of BV is generally excellent.

    • This question is part of the following fields:

      • Infectious Diseases
      18.1
      Seconds
  • Question 61 - A 38-year-old man presents to you with complaints of a persistent sensation of...

    Correct

    • A 38-year-old man presents to you with complaints of a persistent sensation of mucus in the back of his throat. He also reports a chronic cough for the past 6 months and frequently experiences bad breath, particularly in the mornings. He admits to smoking 10 cigarettes daily but otherwise feels fine. On examination, his ears appear normal, and his throat shows slight redness with no swelling of the tonsils. What is the most probable diagnosis?

      Your Answer: Postnasal drip

      Explanation:

      Nasal tumors can cause symptoms such as nosebleeds, a persistent blocked nose, blood-stained mucus draining from the nose, and a decreased sense of smell. A chronic cough in smokers, known as a smoker’s cough, is caused by damage and destruction of the protective cilia in the respiratory tract. Nasal polyps can result in symptoms such as nasal obstruction, sneezing, rhinorrhea, and a poor sense of taste and smell. If symptoms are unilateral or accompanied by bleeding, it may be a sign of a more serious condition. Nasal foreign bodies, which are commonly found in children, can include items such as peas, beads, buttons, seeds, and sweets.

      Understanding Post-Nasal Drip

      Post-nasal drip is a condition that arises when the nasal mucosa produces an excessive amount of mucus. This excess mucus then accumulates in the back of the nose or throat, leading to a chronic cough and unpleasant breath. Essentially, post-nasal drip occurs when the body produces more mucus than it can handle, resulting in a buildup that can cause discomfort and irritation. This condition can be caused by a variety of factors, including allergies, sinus infections, and even certain medications. Understanding the causes and symptoms of post-nasal drip can help individuals seek appropriate treatment and alleviate their discomfort.

    • This question is part of the following fields:

      • ENT
      9.3
      Seconds
  • Question 62 - A 25-year-old female is prescribed varenicline to aid in smoking cessation. What is...

    Incorrect

    • A 25-year-old female is prescribed varenicline to aid in smoking cessation. What is the most probable adverse effect that may occur?

      Your Answer: Vivid dreams

      Correct Answer: Nausea

      Explanation:

      NICE guidance recommends offering nicotine replacement therapy (NRT), varenicline, or bupropion to patients for smoking cessation, with no preference for one medication over another. NRT should be offered in combination for those with high nicotine dependence or inadequate response to single forms. Varenicline should be started a week before the target stop date and monitored for adverse effects, including nausea and suicidal behavior. Bupropion should also be started before the target stop date and is contraindicated in epilepsy, pregnancy, and breastfeeding. Pregnant women should be tested for smoking and referred to NHS Stop Smoking Services, with first-line interventions being cognitive behavior therapy, motivational interviewing, or structured self-help and support. NRT may be used if other measures fail, but varenicline and bupropion are contraindicated.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      9.5
      Seconds
  • Question 63 - You are speaking to a 26-year-old man who is known to have haemophilia...

    Incorrect

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

      Your Answer: 50% if male, 0% if female

      Correct Answer: 0%

      Explanation:

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

      Understanding X-Linked Recessive Inheritance

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

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

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

    • This question is part of the following fields:

      • Paediatrics
      15.4
      Seconds
  • Question 64 - You have diagnosed a 68-year-old woman with chronic kidney disease stage G3b (estimated...

    Incorrect

    • You have diagnosed a 68-year-old woman with chronic kidney disease stage G3b (estimated glomerular filtration rate or eGFR = 32 ml/min per 1.73m2) with a lower urinary tract infection (UTI) confirmed on mid-stream urine culture and sensitivity:
      Escherichia coli: heavy growth
      resistant to trimethoprim
      sensitive to nitrofurantoin, amoxicillin, co-amoxiclav
      Which of the following antibiotics is it most appropriate to prescribe?

      Your Answer: Co-amoxiclav

      Correct Answer: Amoxicillin

      Explanation:

      Choosing the Best Antibiotic for a UTI: A Case Study

      A patient presents with symptoms of a lower urinary tract infection (UTI) and a urine culture confirms the presence of bacteria. However, the causative organism is resistant to the first-line agents nitrofurantoin and trimethoprim, and the patient’s renal function contraindicates the use of nitrofurantoin.

      The next best option would be to use amoxicillin, as long as the organism is susceptible to it. Other suitable options include pivmecillinam and fosfomycin, if there is a high risk of resistance. Ciprofloxacin and co-amoxiclav are not appropriate for the treatment of a lower UTI.

      In summary, choosing the best antibiotic for a UTI requires consideration of the patient’s renal function and the susceptibility of the causative organism. Amoxicillin, pivmecillinam, and fosfomycin are suitable alternatives when first-line agents are not effective.

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      31.2
      Seconds
  • Question 65 - A 28-year-old female comes to the gastroenterology clinic for a follow-up on her...

    Incorrect

    • A 28-year-old female comes to the gastroenterology clinic for a follow-up on her Crohn's disease. She has been on budesonide for 3 months to induce remission and reports feeling well. She did not experience any acute episodes during treatment and her bowel habits are regular. The physician determines that she requires maintenance therapy. What is the most suitable medication to prescribe?

      Your Answer: Mesalazine

      Correct Answer: Azathioprine

      Explanation:

      Bone marrow suppression, which can be fatal, is a potential risk associated with the use of azathioprine as a second-line treatment for Crohn’s disease. Budesonide, a corticosteroid medication primarily used for asthma prevention, may be considered as a second-line option for inducing remission in Crohn’s patients. Mesalazine, which acts locally on the colon’s mucous membrane and has various anti-inflammatory effects, is less effective than glucocorticoids but can be used as a second-line option to induce remission. Methotrexate, a folate derivative that inhibits enzymes responsible for nucleotide synthesis, is the second-line medication used to maintain remission in Crohn’s patients. However, in this case, there is no indication to use second-line management instead of first-line treatment.

      Managing Crohn’s Disease: Guidelines and Treatment Options

      Crohn’s disease is a type of inflammatory bowel disease that can affect any part of the digestive tract. To manage this condition, the National Institute for Health and Care Excellence (NICE) has published guidelines that provide recommendations for inducing and maintaining remission, as well as treating complications. One of the most important steps in managing Crohn’s disease is to advise patients to quit smoking, as this can worsen the condition. Additionally, some medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs) and the combined oral contraceptive pill, may increase the risk of relapse, although the evidence is not conclusive.

      To induce remission, glucocorticoids are often used, either orally, topically, or intravenously. Budesonide is an alternative for some patients. Enteral feeding with an elemental diet may also be used, especially in young children or when there are concerns about the side effects of steroids. Second-line treatments for inducing remission include 5-ASA drugs like mesalazine, as well as azathioprine or mercaptopurine, which may be used in combination with other medications. Methotrexate is another option. Infliximab is useful for refractory disease and fistulating Crohn’s, and patients may continue on azathioprine or methotrexate.

      To maintain remission, stopping smoking is a priority, and azathioprine or mercaptopurine is used first-line. TPMT activity should be assessed before starting these medications. Methotrexate is used second-line. Surgery may be necessary for around 80% of patients with Crohn’s disease, depending on the location and severity of the disease. Complications of Crohn’s disease include small bowel cancer, colorectal cancer, and osteoporosis. Perianal fistulae and abscesses require specific treatments, such as oral metronidazole, anti-TNF agents like infliximab, or a draining seton. By following these guidelines and treatment options, patients with Crohn’s disease can better manage their condition and improve their quality of life.

    • This question is part of the following fields:

      • Gastroenterology/Nutrition
      20.4
      Seconds
  • Question 66 - A 67-year-old man arrives at the emergency department with a history of severe...

    Incorrect

    • A 67-year-old man arrives at the emergency department with a history of severe chest pain, scoring 9 out of 10, that began an hour ago. He is a smoker and is currently taking amlodipine for his hypertension. Following an ECG and troponin testing, he is diagnosed with NSTEMI. Using the GRACE score, his predicted 6-month mortality is 2%, and he is not at high risk of bleeding. However, the nearest primary percutaneous intervention unit is over an hour away. What is the appropriate management plan for this patient?

      Your Answer: Immediate coronary angiography

      Correct Answer: Aspirin, ticagrelor and fondaparinux

      Explanation:

      Managing Acute Coronary Syndrome: A Summary of NICE Guidelines

      Acute coronary syndrome (ACS) is a common and serious medical condition that requires prompt management. The management of ACS has evolved over the years, with the development of new drugs and procedures such as percutaneous coronary intervention (PCI). The National Institute for Health and Care Excellence (NICE) has updated its guidelines on the management of ACS in 2020.

      ACS can be classified into three subtypes: ST-elevation myocardial infarction (STEMI), non ST-elevation myocardial infarction (NSTEMI), and unstable angina. The management of ACS depends on the subtype. However, there are common initial drug therapies for all patients with ACS, such as aspirin and nitrates. Oxygen should only be given if the patient has oxygen saturations below 94%, and morphine should only be given for severe pain.

      For patients with STEMI, the first step is to assess eligibility for coronary reperfusion therapy, which can be either PCI or fibrinolysis. Patients with NSTEMI/unstable angina require a risk assessment using the Global Registry of Acute Coronary Events (GRACE) tool to determine whether they need coronary angiography (with follow-on PCI if necessary) or conservative management.

      This summary provides an overview of the NICE guidelines for managing ACS. The guidelines are complex and depend on individual patient factors, so healthcare professionals should review the full guidelines for further details. Proper management of ACS can improve patient outcomes and reduce the risk of complications.

    • This question is part of the following fields:

      • Cardiovascular
      34.6
      Seconds
  • Question 67 - A 73-year-old male patient with chronic heart failure presented to the cardiology clinic...

    Correct

    • A 73-year-old male patient with chronic heart failure presented to the cardiology clinic for follow-up after experiencing pulmonary edema. He is currently taking bisoprolol, lisinopril, and spironolactone. During the consultation, you observed that he has an irregularly irregular pulse. The patient reports ongoing breathlessness on exertion since the decompensation episode. What medication would you recommend adding as the next step in managing his symptoms?

      Your Answer: Digoxin

      Explanation:

      If the patient has chronic heart failure along with atrial fibrillation, digoxin is highly recommended. However, if the patient does not have atrial fibrillation, the next step in management would be a combination of hydralazine and a nitrate like isosorbide mononitrate. While furosemide can be used for immediate fluid offloading, it does not have a positive impact on long-term outcomes.

      Drug Management for Chronic Heart Failure: NICE Guidelines

      Chronic heart failure is a serious condition that requires proper management to improve patient outcomes. In 2018, the National Institute for Health and Care Excellence (NICE) updated their guidelines on drug management for chronic heart failure. The guidelines recommend first-line therapy with both an ACE-inhibitor and a beta-blocker, with clinical judgement used to determine which one to start first. Second-line therapy involves the use of aldosterone antagonists, which should be monitored for hyperkalaemia. SGLT-2 inhibitors are also increasingly being used to manage heart failure with a reduced ejection fraction. Third-line therapy should be initiated by a specialist and may include ivabradine, sacubitril-valsartan, hydralazine in combination with nitrate, digoxin, or cardiac resynchronisation therapy. Other treatments such as annual influenza and one-off pneumococcal vaccines are also recommended.

      Overall, the NICE guidelines provide a comprehensive approach to drug management for chronic heart failure. It is important to note that loop diuretics have not been shown to reduce mortality in the long-term, and that ACE-inhibitors and beta-blockers have no effect on mortality in heart failure with preserved ejection fraction. Healthcare professionals should carefully consider the patient’s individual needs and circumstances when determining the appropriate drug therapy for chronic heart failure.

    • This question is part of the following fields:

      • Cardiovascular
      31.3
      Seconds
  • Question 68 - A 32-year-old woman visits her doctor worried that she may have been in...

    Correct

    • A 32-year-old woman visits her doctor worried that she may have been in contact with a child who has chickenpox. She is currently 20 weeks pregnant and unsure if she has ever had chickenpox before. Upon examination, no rash is present. Her blood test results show that she is Varicella Zoster IgG negative. What is the best course of action to take next?

      Your Answer: Give varicella-zoster immunoglobulin (VZIG)

      Explanation:

      If a pregnant woman is exposed to chickenpox before 20 weeks and has a negative IgG test, it indicates that she is not immune to the virus or has not been previously exposed to it. In such cases, it is recommended to administer varicella-zoster immunoglobulin (VZIG) as soon as possible, which can be effective up to 10 days after exposure. It is not necessary to inform public health as chickenpox is not a notifiable disease.

      If a pregnant woman develops a chickenpox rash, VZIG has no therapeutic benefit and should not be used. However, antiviral agents like aciclovir can be given within 24 hours of the rash onset. It is important to note that antiviral agents are recommended for post-exposure prophylaxis for immunosuppressed individuals.

      Women who are not immune to varicella-zoster can receive the vaccine before pregnancy or after delivery, but it should not be administered during pregnancy. Therefore, option D cannot be correct in any situation.

      Chickenpox exposure in pregnancy can pose risks to both the mother and fetus, including fetal varicella syndrome. Post-exposure prophylaxis (PEP) with varicella-zoster immunoglobulin (VZIG) or antivirals should be given to non-immune pregnant women, with timing dependent on gestational age. If a pregnant woman develops chickenpox, specialist advice should be sought and oral aciclovir may be given if she is ≥ 20 weeks and presents within 24 hours of onset of the rash.

    • This question is part of the following fields:

      • Reproductive Medicine
      18.5
      Seconds
  • Question 69 - A 49-year-old man presents to his GP complaining of difficulty walking. He describes...

    Incorrect

    • A 49-year-old man presents to his GP complaining of difficulty walking. He describes experiencing pain in both calves and feet after walking around 400m, which gradually worsens and eventually causes his legs to give out. The pain disappears completely after sitting and resting for a few minutes, and he has found that leaning forward helps him walk further before the pain returns. The patient has no prior medical history, and a physical examination of his lower limbs reveals no abnormalities. What is the probable diagnosis?

      Your Answer: Peripheral vascular disease

      Correct Answer: Lumbar spinal stenosis

      Explanation:

      Lumbar spinal canal stenosis is often indicated by a history of progressive painful neurological deficit that improves when resting or leaning forward. This condition causes nerve root ischaemia due to inadequate microvascular blood flow to the spinal nerve roots, resulting in bilateral neuropathic pain and progressive deficit affecting the dermatomes and myotomes below the affected level. Leaning forward widens the canal, providing relief, while resting reduces the oxygen requirement of the nerve roots, allowing the ischaemia to slowly resolve. Neurological examination of the legs usually shows no abnormal findings as the symptoms are only brought on by consistent use of the nerve roots.

      Osteoarthritis, on the other hand, is a degenerative arthropathy that typically affects large weight-bearing joints in the lower limbs, causing pain that rarely improves with rest and is not associated with a neurological deficit. It is usually unilateral and does not cause symmetrical symptoms.

      Peripheral neuropathy can produce similar symptoms to spinal stenosis, but the pathology is not related to nerve use, and a deficit (usually sensory) would be detected on examination. The absence of such findings indicates that peripheral neuropathy is not the cause.

      Peripheral vascular disease is the most likely differential for patients with spinal stenosis and symptoms of progressive leg pain that is relieved by rest. However, evidence of vascular insufficiency, such as absent distal pulses, ulceration or skin changes, would be present on examination if the condition were severe enough to cause symptoms after relatively short distances of walking. Additionally, leaning forward does not improve symptoms in peripheral vascular disease, only rest does.

      Lumbar spinal stenosis is a condition where the central canal in the lower back is narrowed due to degenerative changes, such as a tumor or disk prolapse. Patients may experience back pain, neuropathic pain, and symptoms similar to claudication. However, one distinguishing factor is that the pain is positional, with sitting being more comfortable than standing, and walking uphill being easier than downhill. Degenerative disease is the most common cause, starting with changes in the intervertebral disk that lead to disk bulging and collapse. This puts stress on the facet joints, causing cartilage degeneration, hypertrophy, and osteophyte formation, which narrows the spinal canal and compresses the nerve roots of the cauda equina. MRI scanning is the best way to diagnose lumbar spinal stenosis, and treatment may involve a laminectomy.

      Overall, lumbar spinal stenosis is a condition that affects the lower back and can cause a range of symptoms, including pain and discomfort. It is often caused by degenerative changes in the intervertebral disk, which can lead to narrowing of the spinal canal and compression of the nerve roots. Diagnosis is typically done through MRI scanning, and treatment may involve a laminectomy. It is important to note that the pain associated with lumbar spinal stenosis is positional, with sitting being more comfortable than standing, and walking uphill being easier than downhill.

    • This question is part of the following fields:

      • Musculoskeletal
      30.6
      Seconds
  • Question 70 - A 42-year-old woman with a history of angina and a recent episode of...

    Incorrect

    • 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 glycoprotein IIb/IIIa receptors

      Correct 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
      20.3
      Seconds
  • Question 71 - A 58-year-old woman complains of developing urinary incontinence. She reports no urinary urgency...

    Correct

    • A 58-year-old woman complains of developing urinary incontinence. She reports no urinary urgency or pain, but experiences leakage of urine when she coughs or laughs. What is the best initial approach to manage this condition?

      Your Answer: Pelvic floor muscle training

      Explanation:

      The initial treatment for urinary incontinence differs depending on the type. For urge incontinence, bladder retraining is the recommended first-line approach. On the other hand, for stress incontinence, pelvic floor muscle training is the preferred initial treatment.

      Understanding Urinary Incontinence: Causes, Classification, and Management

      Urinary incontinence (UI) is a common condition that affects around 4-5% of the population, with elderly females being more susceptible. Several risk factors contribute to UI, including advancing age, previous pregnancy and childbirth, high body mass index, hysterectomy, and family history. UI can be classified into different types, such as overactive bladder (OAB)/urge incontinence, stress incontinence, mixed incontinence, overflow incontinence, and functional incontinence.

      Initial investigation of UI involves completing bladder diaries for at least three days, vaginal examination, urine dipstick and culture, and urodynamic studies. Management of UI depends on the predominant type of incontinence. For urge incontinence, bladder retraining and bladder stabilizing drugs such as antimuscarinics are recommended. For stress incontinence, pelvic floor muscle training and surgical procedures such as retropubic mid-urethral tape procedures may be offered. Duloxetine, a combined noradrenaline and serotonin reuptake inhibitor, may also be used as an alternative to surgery.

      In summary, understanding the causes, classification, and management of UI is crucial in providing appropriate care for patients. Early diagnosis and intervention can significantly improve the quality of life for those affected by this condition.

    • This question is part of the following fields:

      • Renal Medicine/Urology
      9.9
      Seconds
  • Question 72 - A middle-aged man presents with a round, slowly enlarging erythema on his thigh....

    Correct

    • A middle-aged man presents with a round, slowly enlarging erythema on his thigh. He also complains of joint discomfort and fatigue. Lyme disease is suspected.
      Which of the following is the most appropriate laboratory test to confirm this diagnosis?
      Select the SINGLE most appropriate laboratory test from the list below.

      Your Answer: Anti-Borrelia burgdorferi titre

      Explanation:

      Diagnostic Tests for Lyme Disease: Understanding the Results

      Lyme disease is a common illness caused by the spirochaete B. burgdorferi, transmitted to humans via tick bites. Serologic testing is the most frequently used diagnostic tool, but false positives and negatives are common. The enzyme immunoassay (EIA) or enzyme-linked immunosorbent assay (ELISA) is the first step, followed by a western blot if necessary. However, serologic results cannot distinguish active from inactive disease. Antinuclear antibodies and rheumatoid factor test results are negative in B. burgdorferi infection. The erythrocyte sedimentation rate is usually elevated but is not specific to detect infection. Culture of joint fluids can rule out gout and pseudogout, but detection of B. burgdorferi DNA in synovial fluid is not reliable. Blood cultures are impractical. Understanding the limitations of these tests is crucial for accurate diagnosis and treatment of Lyme disease.

    • This question is part of the following fields:

      • Infectious Diseases
      14.8
      Seconds
  • Question 73 - A 47-year-old woman presents with a lump in the upper anterior triangle of...

    Incorrect

    • A 47-year-old woman presents with a lump in the upper anterior triangle of her neck. She reports that it has been present for a few weeks and only started to bother her after her friend pointed it out and asked what it was. She denies any other symptoms such as weight loss or fevers. She recalls her mother having a similar swelling removed, but does not remember the diagnosis.
      Upon examination, there is a small, smooth, nontender, mobile lump. The skin overlying the lump appears normal in color and temperature. The lump does not move on swallowing or tongue protrusion, and the skin cannot be moved over the top of the lump. What is the most likely diagnosis?

      Your Answer: Thyroid goitre

      Correct Answer: Sebaceous cyst

      Explanation:

      Differentiating between lumps and bumps: A guide to common masses

      When it comes to lumps and bumps on the body, it can be difficult to determine what they are and whether they require medical attention. Here are some common types of masses and their characteristics to help differentiate between them:

      Sebaceous cysts: These small, smooth lumps are caused by a blocked hair follicle and have a central punctum. They are attached to the skin and may develop a horn. If infected, they can become tender and erythematous.

      Lipomas: These deep masses are typically soft, doughy, and mobile. An ultrasound or biopsy may be needed to rule out sarcoma or liposarcoma.

      Sternocleidomastoid tumors: This congenital lump appears within the first few weeks of life and is located beneath the sternocleidomastoid muscle. It restricts contralateral head movement.

      Thyroid carcinoma: A hard, firm, non-tender mass close to the midline that moves up with swallowing may indicate thyroid cancer.

      Thyroid goitre: A smooth or multi-nodular enlargement close to the midline that moves up with swallowing may indicate a thyroid goitre. Symptoms associated with thyroid diseases may also be present.

      Knowing the characteristics of these common masses can help individuals determine when to seek medical attention.

    • This question is part of the following fields:

      • ENT
      42.5
      Seconds
  • Question 74 - A 54-year-old man presented to the Emergency Department with a 1-day history of...

    Correct

    • A 54-year-old man presented to the Emergency Department with a 1-day history of blurring of vision and headache. He does not complain of any pain when touching the scalp or any pain when eating and chewing food.
      Past medical history includes hypertension and type 2 diabetes mellitus, which is well controlled with metformin.
      On further history taking, he tells you that he has a family history of brain cancer and he is afraid that this could be relevant to his symptoms.
      On examination, his visual acuity is 6/18 in both eyes. On dilated fundoscopy, you could see some arterioles narrower than others. You also see venules being compressed by arterioles. There are also some dot-and-blot and flame-shaped haemorrhages, as well as some cotton-wool spots. There is no optic disc swelling.
      His vital observations are as follows:
      Heart rate 80 bpm
      Blood pressure 221/119 mmHg
      Oxygen saturation 98% on room air
      Respiratory rate 14 per minute
      Temperature 37 °C
      According to the Keith-Wagener-Barker classification of hypertensive retinopathy, what grade of hypertensive retinopathy is this?

      Your Answer: Grade 3

      Explanation:

      Stages of Diabetic Retinopathy

      Diabetic retinopathy is a condition that affects the eyes of people with diabetes. It is important to detect and treat it early to prevent vision loss. There are different stages of diabetic retinopathy, each with its own set of features.

      Grade 1 is characterized by arteriolar narrowing. Grade 2 includes features of grade 1 and arteriovenous nipping. Grade 3 includes features of grade 2 and microaneurysms, dot-and-blot haemorrhages, flame-shaped haemorrhages, cotton-wool spots, and hard exudates. Grade 4 includes features of grade 3 and optic disc swelling.

      It is important to have regular eye exams if you have diabetes to detect any signs of diabetic retinopathy early. With proper management and treatment, vision loss can be prevented or delayed.

    • This question is part of the following fields:

      • Ophthalmology
      41
      Seconds
  • Question 75 - A 30-year-old male presents with a 3-month history of numbness in his right...

    Correct

    • A 30-year-old male presents with a 3-month history of numbness in his right hand. During examination, you observe a loss of sensation in the palmar and dorsal regions of the 5th digit, while the sensation of the forearm remains intact. What is the probable diagnosis?

      Your Answer: Cubital tunnel syndrome

      Explanation:

      The correct answer is cubital tunnel syndrome. This condition is characterized by ulnar nerve neuropathy, which affects the sensory innervation of the palmar and dorsal aspects of 1.5 fingers medially. It can also cause wasting and paralysis of intrinsic hand muscles (except lateral two lumbricals) and the hypothenar muscles. To test for ulnar neuropathy, Froment’s test can be used to assess the function of the adductor pollicis muscle.

      Axillary nerve neuropathy is not the correct answer. The axillary nerve has both motor and sensory functions, innervating the deltoid and teres minor muscles, as well as providing sensory innervation to the skin over the lower two-thirds of the posterior part of the deltoid and the long head of the triceps brachii.

      C8/T1 radiculopathy is also not the correct answer. While it can mimic ulnar nerve neuropathy, the preserved sensation of the forearm would suggest cubital tunnel syndrome instead. The medial antebrachial cutaneous nerve (C8 and T1) provides sensation to the medial forearm, not the ulnar nerve.

      Carpal tunnel syndrome is also not the correct answer. This condition is caused by median nerve dysfunction, resulting in sensory loss over the lateral 3.5 digits and loss of motor function to the flexor muscles of the forearm and hand, as well as those responsible for thumb movement.

      The Ulnar Nerve: Overview, Branches, and Patterns of Damage

      The ulnar nerve is a nerve that arises from the medial cord of the brachial plexus, specifically from the C8 and T1 spinal nerves. It provides motor innervation to several muscles in the hand, including the medial two lumbricals, adductor pollicis, interossei, hypothenar muscles (abductor digiti minimi, flexor digiti minimi), and flexor carpi ulnaris. It also provides sensory innervation to the medial 1 1/2 fingers on both the palmar and dorsal aspects.

      The ulnar nerve travels through the posteromedial aspect of the upper arm before entering the palm of the hand via the Guyon’s canal, which is located superficial to the flexor retinaculum and lateral to the pisiform bone. The nerve has several branches, including the muscular branch, palmar cutaneous branch, dorsal cutaneous branch, superficial branch, and deep branch. These branches supply various muscles and skin areas in the hand.

      Damage to the ulnar nerve can occur at the wrist or elbow. When damaged at the wrist, it can result in a claw hand deformity, which involves hyperextension of the metacarpophalangeal joints and flexion at the distal and proximal interphalangeal joints of the 4th and 5th digits. There may also be wasting and paralysis of intrinsic hand muscles (except lateral two lumbricals) and hypothenar muscles, as well as sensory loss to the medial 1 1/2 fingers. When damaged at the elbow, the same symptoms may occur, but with the addition of radial deviation of the wrist. It is important to note that in distal lesions, the clawing may be more severe, which is known as the ulnar paradox.

    • This question is part of the following fields:

      • Neurology
      14.4
      Seconds
  • Question 76 - A 58-year-old man contacts his General Practitioner to request a repeat prescription of...

    Correct

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

      Your Answer: Rebound nasal congestion

      Explanation:

      Understanding the Side Effects of Long-Term Nasal Decongestant Use

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

    • This question is part of the following fields:

      • ENT
      11.3
      Seconds
  • Question 77 - A 35-year-old man with type 1 diabetes visits his GP for a check-up...

    Incorrect

    • A 35-year-old man with type 1 diabetes visits his GP for a check-up on his blood sugar levels. He has been monitoring his daily blood glucose readings and the GP calculates an average of 7.8 mmol/L, indicating the need for better control. However, his HbA1c level is 41.5 mmol/mol (5.9%), indicating good glycaemic control. What could be causing this inconsistency?

      Your Answer: Iron-deficiency anaemia

      Correct Answer: Sickle-cell anaemia

      Explanation:

      Individuals with sickle cell anaemia and other haemoglobinopathies may have inaccurate HbA1c readings due to the shortened lifespan of their red blood cells, resulting in lower than actual levels. Conversely, conditions such as splenectomy, iron-deficiency anaemia, B12 deficiency, and alcoholism can lead to falsely elevated HbA1c levels. The accuracy of HbA1c as a measure of average blood glucose concentration is dependent on the lifespan of red blood cells.

      Understanding Glycosylated Haemoglobin (HbA1c) in Diabetes Mellitus

      Glycosylated haemoglobin (HbA1c) is a commonly used measure of long-term blood sugar control in diabetes mellitus. It is produced when glucose attaches to haemoglobin in the blood at a rate proportional to the glucose concentration. The level of HbA1c is influenced by the lifespan of red blood cells and the average blood glucose concentration. However, certain conditions such as sickle-cell anaemia, GP6D deficiency, and haemodialysis can interfere with accurate interpretation of HbA1c levels.

      HbA1c is believed to reflect the blood glucose levels over the past 2-4 weeks, although it is generally thought to represent the previous 3 months. It is recommended that HbA1c be checked every 3-6 months until stable, then every 6 months. The Diabetes Control and Complications Trial (DCCT) has studied the complex relationship between HbA1c and average blood glucose. The International Federation of Clinical Chemistry (IFCC) has developed a new standardised method for reporting HbA1c in mmol per mol of haemoglobin without glucose attached.

      Understanding HbA1c is crucial in managing diabetes mellitus and achieving optimal blood sugar control.

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      15.3
      Seconds
  • Question 78 - A 49-year-old male presents to the neurology clinic with concerns about increasing numbness...

    Incorrect

    • A 49-year-old male presents to the neurology clinic with concerns about increasing numbness in his fingers and soles of his feet. He was diagnosed with epilepsy in his early twenties and has been managing his seizures effectively. Which medication is most likely responsible for his symptoms?

      Your Answer: Lamotrigine

      Correct Answer: Phenytoin

      Explanation:

      Phenytoin is recognized to cause peripheral neuropathy as a side effect.

      Phenytoin: Mechanism of Action and Adverse Effects

      Phenytoin is a medication used to manage seizures. Its mechanism of action involves binding to sodium channels, which increases their refractory period. However, the drug is associated with a large number of adverse effects, which can be categorized as acute, chronic, idiosyncratic, and teratogenic. Acute effects include dizziness, diplopia, nystagmus, slurred speech, ataxia, confusion, and seizures. Chronic effects include gingival hyperplasia, hirsutism, coarsening of facial features, drowsiness, megaloblastic anemia, peripheral neuropathy, enhanced vitamin D metabolism causing osteomalacia, lymphadenopathy, and dyskinesia. Idiosyncratic effects include fever, rashes, hepatitis, Dupuytren’s contracture, aplastic anemia, and drug-induced lupus. Teratogenic effects are associated with cleft palate and congenital heart disease. Although routine monitoring of phenytoin levels is not necessary, trough levels should be checked before dosing in cases of dose adjustment, suspected toxicity, or non-adherence to the prescribed medication.

    • This question is part of the following fields:

      • Neurology
      12.5
      Seconds
  • Question 79 - As a junior doctor on the neonatal ward, you are called to a...

    Correct

    • As a junior doctor on the neonatal ward, you are called to a forceps delivery. During the delivery, the midwives notice shoulder dystocia in a newborn. What is the initial management approach for shoulder dystocia in a neonate?

      Your Answer: McRoberts manoeuvre (hyperflexion of the legs)

      Explanation:

      The McRoberts maneuver involves hyperflexing the legs.

      Shoulder dystocia is a complication that can occur during vaginal delivery when the body of the fetus cannot be delivered after the head has already been delivered. This is usually due to the anterior shoulder of the fetus becoming stuck on the mother’s pubic bone. Shoulder dystocia can cause harm to both the mother and the fetus. Risk factors for shoulder dystocia include fetal macrosomia, high maternal body mass index, diabetes mellitus, and prolonged labor.

      If shoulder dystocia is identified, it is important to call for senior help immediately. The McRoberts’ maneuver is often performed, which involves flexing and abducting the mother’s hips to increase the angle of the pelvis and facilitate delivery. An episiotomy may be performed to provide better access for internal maneuvers, but it will not relieve the bony obstruction. Symphysiotomy and the Zavanelli maneuver are not recommended as they can cause significant maternal morbidity. Oxytocin administration is not indicated for shoulder dystocia.

      Complications of shoulder dystocia can include postpartum hemorrhage and perineal tears for the mother, and brachial plexus injury and neonatal death for the fetus. It is important to manage shoulder dystocia promptly and appropriately to minimize the risk of these complications.

    • This question is part of the following fields:

      • Paediatrics
      13.9
      Seconds
  • Question 80 - A 67-year-old man attending the respiratory clinic receives a suspected diagnosis of chronic...

    Incorrect

    • A 67-year-old man attending the respiratory clinic receives a suspected diagnosis of chronic obstructive pulmonary disease.
      Which of the following is the most appropriate investigation to confirm diagnosis?

      Your Answer: Peak flow

      Correct Answer: Spirometry

      Explanation:

      Investigations for COPD: Spirometry is Key

      COPD is a chronic obstructive airway disease that is diagnosed through a combination of clinical history, signs, and investigations. While several investigations may be used to support a diagnosis of COPD, spirometry is the most useful and important tool. A spirometer is used to measure functional lung volumes, including forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC). The FEV1:FVC ratio provides an estimate of the severity of airflow obstruction, with a normal ratio being 75-80%. In patients with COPD, the ratio is typically <0.7 and FEV1 <80% predicted. Spirometry is essential for establishing a baseline for disease severity, monitoring disease progression, and assessing the effects of treatment. Other investigations, such as echocardiography, chest radiography, ECG, and peak flow, may be used to exclude other pathologies or assess comorbidities, but spirometry remains the key investigation for diagnosing and managing COPD.

    • This question is part of the following fields:

      • Respiratory Medicine
      9.6
      Seconds
  • Question 81 - You are assessing a 50-year-old man who has been diagnosed with Barrett's oesophagus...

    Correct

    • 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: 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
      14.1
      Seconds
  • Question 82 - A 55-year-old man is referred to the Haematology Clinic under the 2-week-wait rule...

    Incorrect

    • A 55-year-old man is referred to the Haematology Clinic under the 2-week-wait rule with significant fatigue and frequent infections over the past six months. His blood results confirm a diagnosis of chronic lymphocytic leukaemia (CLL) with a 17p chromosome deletion.
      Which of the following is the most appropriate first-line treatment?

      Your Answer: Imatinib

      Correct Answer: Acalabrutinib

      Explanation:

      Treatment Options for Chronic Lymphocytic Leukaemia (CLL)

      The National Institute for Health and Care Excellence (NICE) has released new guidelines for managing newly diagnosed CLL in adults. Acalabrutinib is recommended as a monotherapy option if the patient has a 17p deletion or TP53 mutation, or if fludarabine plus cyclophosphamide and rituximab (FCR) or bendamustine plus rituximab (BR) are unsuitable. Prednisolone, a glucocorticoid commonly used in treating lymphoma, has no role in managing CLL. If there is no 17p deletion or TP53 mutation, FCR or BR would be the most appropriate first-line treatment. Conservative management is not recommended as the patient has developed signs of bone marrow dysfunction. Imatinib, the first-line treatment for CML, would not be useful for CLL.

    • This question is part of the following fields:

      • Haematology/Oncology
      13.9
      Seconds
  • Question 83 - You are reviewing an elderly patient's blood results:

    K+ 6.2 mmol/l

    Which medication is the...

    Correct

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

      K+ 6.2 mmol/l

      Which medication is the most probable cause of this outcome?

      Your Answer: Spironolactone

      Explanation:

      Understanding Hyperkalaemia: Causes and Symptoms

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

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

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

    • This question is part of the following fields:

      • Pharmacology/Therapeutics
      6.4
      Seconds
  • Question 84 - A 6-week-old baby is brought in by his first-time mother concerned about a...

    Correct

    • A 6-week-old baby is brought in by his first-time mother concerned about a flaky/scaly rash on his scalp.
      Which of the following is the diagnosis?

      Your Answer: Seborrhoeic dermatitis

      Explanation:

      Understanding Infantile Seborrhoeic Dermatitis (Cradle Cap)

      Infantile seborrhoeic dermatitis, commonly known as cradle cap, is a condition that typically affects infants between the second week of life and the sixth month. It presents as a yellow scaly/flaky rash on the scalp, but can also affect other areas such as the ears, neck, face, and napkin area. While the condition is not harmful, it can be unsightly and uncomfortable for the infant.

      Management of cradle cap involves simple measures such as regular washing of the scalp with baby shampoo, softening of scales with baby oil or soaking the crusts overnight with white petroleum jelly, then shampooing in the morning. If these measures are not effective, topical imidazole cream can be used.

      It is important to note that cradle cap is not a fungal infection, eczema, erythema toxicum neonatorum (ETN), or scalp psoriasis. These conditions have different presentations and require different management strategies. Understanding the differences between these conditions can help parents and caregivers provide appropriate care for their infants.

    • This question is part of the following fields:

      • Paediatrics
      7.6
      Seconds
  • Question 85 - A 16-year-old female comes in for a follow-up. Three days ago she visited...

    Incorrect

    • A 16-year-old female comes in for a follow-up. Three days ago she visited her physician with complaints of a severe sore throat, fatigue, and headache. The doctor prescribed amoxicillin to treat an upper respiratory tract infection. However, two days ago she developed a pruritic maculopapular rash that has spread throughout her body. Additionally, her initial symptoms have not improved. What is the probable diagnosis?

      Your Answer: Beta-lactamase producing streptococcal sore throat

      Correct Answer: Infectious mononucleosis

      Explanation:

      Patients with infectious mononucleosis should not be prescribed amoxicillin. Instead, supportive treatment is recommended for their care.

      Understanding Infectious Mononucleosis

      Infectious mononucleosis, also known as glandular fever, is a viral infection caused by the Epstein-Barr virus (EBV) in 90% of cases. It is most commonly seen in adolescents and young adults. The classic triad of symptoms includes sore throat, pyrexia, and lymphadenopathy, which are present in around 98% of patients. Other symptoms include malaise, anorexia, headache, palatal petechiae, splenomegaly, hepatitis, lymphocytosis, haemolytic anaemia, and a maculopapular rash. The symptoms typically resolve after 2-4 weeks.

      The diagnosis of infectious mononucleosis is confirmed through a heterophil antibody test (Monospot test) in the second week of the illness. Management is supportive and includes rest, drinking plenty of fluids, avoiding alcohol, and taking simple analgesia for any aches or pains. It is recommended to avoid playing contact sports for 4 weeks after having glandular fever to reduce the risk of splenic rupture.

      Interestingly, there is a correlation between EBV and socioeconomic groups. Lower socioeconomic groups have high rates of EBV seropositivity, having frequently acquired EBV in early childhood when the primary infection is often subclinical. However, higher socioeconomic groups show a higher incidence of infectious mononucleosis, as acquiring EBV in adolescence or early adulthood results in symptomatic disease.

    • This question is part of the following fields:

      • Dermatology
      13.4
      Seconds
  • Question 86 - A 65-year-old woman is being evaluated one week after being diagnosed with a...

    Correct

    • A 65-year-old woman is being evaluated one week after being diagnosed with a deep vein thrombosis in her left leg. She has been administered low-molecular weight heparin for five days and has now been prescribed warfarin. The patient has a medical history of osteoporosis, breast cancer, type 2 diabetes, and depression. Which medication she is currently taking is most likely to have contributed to her increased risk of developing a deep vein thrombosis?

      Your Answer: Tamoxifen

      Explanation:

      Prior to initiating tamoxifen treatment, women should be informed about the elevated risk of VTE, which is one of the most significant side effects of the medication. Additionally, tamoxifen has been linked to an increased risk of endometrial cancer.

      Venous Thromboembolism: Common Risk Factors

      Venous thromboembolism (VTE) is a condition where blood clots form in the veins, which can lead to serious complications such as pulmonary embolism (PE). While there are many factors that can increase the risk of VTE, some are more common than others. These include malignancy, pregnancy, and the period following an operation. Other general risk factors include advancing age, obesity, family history of VTE, immobility, hospitalization, anaesthesia, and the use of central venous catheters. Underlying conditions such as heart failure, thrombophilia, and antiphospholipid syndrome can also increase the risk of VTE. Additionally, certain medications like the combined oral contraceptive pill, hormone replacement therapy, raloxifene, tamoxifen, and antipsychotics have been shown to be risk factors.

      It is important to note that while these factors can increase the risk of VTE, around 40% of patients diagnosed with a PE have no major risk factors.

    • This question is part of the following fields:

      • Haematology/Oncology
      19
      Seconds
  • Question 87 - As a physician on the night shift cardiac arrest team, you receive an...

    Correct

    • As a physician on the night shift cardiac arrest team, you receive an emergency page requesting immediate assistance on the geriatric ward. Upon arrival, you discover the nursing staff performing chest compressions on an unresponsive patient with no carotid pulse. You instruct them to continue compressions while you apply defibrillator pads to the patient's chest. After a brief pause in compressions, the defibrillator monitor displays a monomorphic, broad complex tachycardia. What is the next best course of action?

      Your Answer: Immediately give 1 defibrillator shock followed by CPR

      Explanation:

      When pulseless ventricular tachycardia (VT) is identified, the immediate and correct treatment is a single defibrillator shock followed by 2 minutes of CPR. This is in contrast to using intravenous adenosine or amiodarone, which are not appropriate in this scenario. The Resuscitation Council (UK) guidelines now recommend a single shock for ventricular fibrillation (VF) or pulseless VT. Administering 3 back-to-back shocks followed by 1 minute of CPR is part of the Advanced Life Support (ALS) algorithm, but it is not the most appropriate next step in management for a delayed recognition of rhythm like in the above case. In contrast, continued CPR with 30 chest compressions to 2 breaths is appropriate in a basic life support scenario where a defibrillator is not yet available.

      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
      24.8
      Seconds
  • Question 88 - A 47-year-old woman from Nigeria complains of fatigue, back pain and excessive thirst....

    Incorrect

    • A 47-year-old woman from Nigeria complains of fatigue, back pain and excessive thirst. Her ESR is elevated and she has normocytic/normochromic anemia.
      What is the most probable diagnosis?

      Your Answer: Paget’s disease of bone

      Correct Answer: Multiple myeloma

      Explanation:

      Distinguishing Multiple Myeloma from Other Bone Diseases

      Multiple Myeloma: A Malignant Disease of Plasma Cells

      Multiple myeloma is a type of cancer that affects the plasma cells in the bone marrow. It is more common in black Africans and rare in Asians, with a median age of onset over 60. Patients may not show any symptoms and are often diagnosed through routine blood tests. However, they are more susceptible to infections and may have low white blood cell counts. Elevated levels of ESR and CRP are almost always present. Diagnosis is confirmed when two out of three of the following are present: paraproteinaemia or Bence Jones protein, radiological evidence of lytic bone lesions, and an increase in bone marrow plasma cells. Patients may experience bone pain, lethargy, thirst, and anaemia, which are all signs of multiple myeloma.

      Calcium Pyrophosphate Arthropathy: Shedding of Crystals into Joints

      Calcium pyrophosphate arthropathy, also known as pseudogout, is caused by the shedding of calcium pyrophosphate crystals into the joint. It typically presents as an acute-onset monoarticular arthritis, usually in the knee or wrist. The joint will be hot, red, tender, and swollen. Rhomboid-shaped crystals that are weakly positively birefringent under polarised light will be visible in synovial fluid.

      Osteoporosis: Fragility Fractures

      Osteoporosis is characterised by fragility fractures, such as vertebral crush fractures, Colles fractures, and fractures of the proximal femur. It is uncommon in men at this age, unless associated with hypogonadism. Anaemia and elevated ESR are not seen in osteoporosis.

      Osteoarthritis: Joint Pain and Stiffness

      Osteoarthritis presents with joint pain, stiffness, and reduced function. The weight-bearing joints, such as the hip and knee, and the small joints of the hand are commonly affected. Patients do not experience symptoms such as thirst and lethargy, which are due to hypercalcaemia. Blood biochemistry is normal in osteoarthritis.

      Paget’s Disease of Bone: Bone Remodelling

      Paget’s disease of the bone is rare in individuals under 40 years old. It is characterised by bone pain, deformity, fragility fractures, and complications from nerve compression

    • This question is part of the following fields:

      • Haematology/Oncology
      16.5
      Seconds
  • Question 89 - A 30-year-old woman expecting her second child and who is 28 weeks pregnant...

    Correct

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

      Your Answer: Labetalol

      Explanation:

      Treatment Options for Pre-eclampsia in Pregnancy

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

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

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

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

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

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

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

    • This question is part of the following fields:

      • Cardiovascular
      18.3
      Seconds
  • Question 90 - For which condition is the Mini-Mental State Examination (MMSE) a screening questionnaire? ...

    Correct

    • For which condition is the Mini-Mental State Examination (MMSE) a screening questionnaire?

      Your Answer: Cognitive impairment

      Explanation:

      The MMSE as a Screening Tool for Cognitive Impairment and Dementia

      The Mini-Mental State Examination (MMSE) is a widely used screening tool for cognitive impairment and dementia. It assesses cognitive functioning and gives a score out of 30, which can be used to identify individuals who may require further investigation for dementia. However, the MMSE is sensitive to education, and individuals with limited education may have lower scores without cognitive impairment.

      While the MMSE is a valuable screening tool for moderate and severe dementia, it cannot make a diagnosis of any type of dementia on its own. It detects cognitive impairment, not cognitive decline, which requires a history. Additionally, there is no reliable test that assesses mental illnesses as a whole.

      Nevertheless, the MMSE has been used in many community studies of older people and has proved to be a valuable screening tool for various types of dementia, including vascular dementia. Overall, the MMSE is a useful tool for identifying cognitive impairment and potential dementia, but it should be used in conjunction with other assessments and evaluations.

    • This question is part of the following fields:

      • Neurology
      10.4
      Seconds
  • Question 91 - A 20 year-old female patient visits her GP to request a refill of...

    Incorrect

    • A 20 year-old female patient visits her GP to request a refill of her COCP prescription. She reports experiencing intense headaches on the left side of her head, accompanied by visual disturbances prior to the onset of the headache. Upon examination, no abnormalities are detected. What is the best course of action for managing her symptoms?

      Your Answer: Refer her to a neurologist

      Correct Answer: Stop the COCP and start treatment on a progesterone only contraceptive pill.

      Explanation:

      The woman is experiencing migraines with aura, a condition that can be exacerbated by the use of COCP. If a woman has migraine with aura, it is recommended that she discontinue the use of the pill immediately. This is because the oestrogen component of COCP can increase the risk of ischaemic stroke. The only alternative contraceptive medication that can be prescribed is a progesterone-only contraceptive pill, as other options contain oestrogen.

      Counselling for Women Considering the Combined Oral Contraceptive Pill

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

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

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

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

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

    • This question is part of the following fields:

      • Neurology
      22.9
      Seconds
  • Question 92 - A 5-year-old girl is seen in the Paediatric Admissions Unit with a fever...

    Incorrect

    • A 5-year-old girl is seen in the Paediatric Admissions Unit with a fever lasting for a week. During examination, she presents with red, painful lips and conjunctival injection. Additionally, her hands are swollen and red. Blood tests reveal the following results: Hb 13.1 g/dl, WBC 12.7 *109/l, Platelets 520 *109/l, and CRP 96 mg/L. What is the probable diagnosis?

      Your Answer: Still's disease

      Correct Answer: Kawasaki disease

      Explanation:

      Understanding Kawasaki Disease

      Kawasaki disease is a rare type of vasculitis that primarily affects children. It is important to identify this disease early on as it can lead to serious complications, such as coronary artery aneurysms. The disease is characterized by a high-grade fever that lasts for more than five days and is resistant to antipyretics. Other symptoms include conjunctival injection, bright red, cracked lips, strawberry tongue, cervical lymphadenopathy, and red palms and soles that later peel.

      Diagnosis of Kawasaki disease is based on clinical presentation as there is no specific diagnostic test available. Management of the disease involves high-dose aspirin, which is one of the few indications for aspirin use in children. Intravenous immunoglobulin is also used as a treatment option. Echocardiogram is the initial screening test for coronary artery aneurysms, rather than angiography.

      Complications of Kawasaki disease can be serious, with coronary artery aneurysm being the most common. It is important to recognize the symptoms of Kawasaki disease early on and seek medical attention promptly to prevent potential complications.

    • This question is part of the following fields:

      • Paediatrics
      15.6
      Seconds
  • Question 93 - A 26-year-old woman visits her GP on a Friday afternoon with concerns about...

    Correct

    • A 26-year-old woman visits her GP on a Friday afternoon with concerns about her chances of getting pregnant. She engaged in unprotected sexual intercourse (UPSI) on Sunday at 9 pm, which was five days ago. The patient has no medical history of note and is not taking any regular medications. However, she reports experiencing abnormal discharge and intermenstrual bleeding for the past two weeks. What emergency contraception method would you suggest?

      Your Answer: Ulipristal acetate

      Explanation:

      Ulipristal, also known as EllaOne, is a form of emergency hormonal contraception that can be taken within 120 hours after engaging in unprotected sexual intercourse.

      Emergency contraception is available in the UK through two methods: emergency hormonal contraception and intrauterine device (IUD). Emergency hormonal contraception includes two types of pills: levonorgestrel and ulipristal. Levonorgestrel works by stopping ovulation and inhibiting implantation, while ulipristal primarily inhibits ovulation. Levonorgestrel should be taken as soon as possible after unprotected sexual intercourse, within 72 hours, and is 84% effective when used within this time frame. The dose should be doubled for those with a BMI over 26 or weight over 70kg. Ulipristal should be taken within 120 hours of intercourse and may reduce the effectiveness of hormonal contraception. The most effective method of emergency contraception is the copper IUD, which can be inserted within 5 days of unprotected intercourse or up to 5 days after the likely ovulation date. It may inhibit fertilization or implantation and is 99% effective regardless of where it is used in the cycle. Prophylactic antibiotics may be given if the patient is at high risk of sexually transmitted infection.

    • This question is part of the following fields:

      • Reproductive Medicine
      11.7
      Seconds
  • Question 94 - A 65-year-old woman with suspected dementia is referred by her General Practitioner to...

    Incorrect

    • A 65-year-old woman with suspected dementia is referred by her General Practitioner to the Memory Clinic. A dementia blood screen is performed and is normal.
      What is an indication for performing structural neuroimaging (CT or MRI head) in the workup for investigating patients with dementia?

      Your Answer: Only performed when focal neurology is found

      Correct Answer: Ruling out reversible causes of cognitive decline

      Explanation:

      The Importance of Neuroimaging in the Diagnosis of Dementia

      Neuroimaging plays a crucial role in the diagnosis of dementia and ruling out reversible causes of cognitive decline. Structural imaging should be offered to assist with subtype diagnosis and exclude other reversible conditions unless dementia is well established and the subtype is clear. In primary care, a blood screen is usually sent to exclude reversible causes, while in secondary care, neuroimaging is performed to provide information on aetiology to guide prognosis and management. Focal neurology and cardiovascular abnormalities are not indications for performing structural imaging of the brain. However, neuroimaging is required in the workup of dementia in all age groups, including patients over 75 years old and those under 65 years old with suspected early-onset dementia. The 2011 National Institute for Health and Care Excellence (NICE) guidelines state that structural imaging is essential in the investigation of dementia.

    • This question is part of the following fields:

      • Neurology
      18
      Seconds
  • Question 95 - A 35-year-old man presents to his General Practitioner (GP) with concerns about a...

    Correct

    • A 35-year-old man presents to his General Practitioner (GP) with concerns about a mole on his leg. He has noticed over the past few months that it has increased in size. On examination, the mole is 7 mm in diameter and has an irregular border but is a consistent colour.
      What is the most appropriate management option for this patient?

      Your Answer: 2-week wait referral to dermatology

      Explanation:

      Understanding Referral Guidelines for Suspicious Pigmented Lesions

      When assessing pigmented lesions, the National Institute of Health and Care Excellence (NICE) recommends using the 7-point scoring system.
      The 7-point checklist includes:
      Major features (2 points each):
      change in size
      irregular shape or border
      irregular colour.
      Minor features (1 point each):
      > 7 mm at greatest diameter
      inflammation
      oozing or crusting
      change in sensation including itch.

      Lesions scoring 3 or more or with other suspicious features of melanoma should be referred urgently via the cancer fast-track pathway to dermatology.

      For lesions with a low suspicion of melanoma, a photo should be taken with a ruler and the patient advised to return in eight weeks for review. However, lesions scoring 5 on the checklist, like those with a change in size, irregular shape or border, and irregular color, should be referred urgently to a dermatologist to avoid any delay in diagnosis and subsequent treatment.

      Excision of lesions suspicious of melanoma should be avoided in primary care as this can delay treatment, and incomplete excision is more common. Routine referral to dermatology would be suitable for a pigmented lesion which scores less than 3 on the 7-point checklist if there are no other features to suggest melanoma. Referral to genetics is recommended if three or more family members have been diagnosed with melanoma.

      It is important to understand these referral guidelines to ensure timely and appropriate management of suspicious pigmented lesions.

    • This question is part of the following fields:

      • Dermatology
      17.6
      Seconds
  • Question 96 - A 35-year-old woman came to your GP clinic with a cold sore and...

    Correct

    • A 35-year-old woman came to your GP clinic with a cold sore and left eye discomfort. She reported experiencing a red, painful eye with watering and sensitivity to light for the past 3 days. During fluorescein examination, you observed a dendritic ulcer on the cornea that was stained with fluorescein.

      What is the primary treatment for this condition?

      Your Answer: Topical aciclovir drops

      Explanation:

      The appropriate treatment for herpes simplex keratitis is the use of topical aciclovir. Antibiotics are ineffective against viral infections and should not be used. The use of steroids can worsen the condition and should be avoided. If the patient is already using topical steroids for another eye condition, the dosage should be decreased.

      Understanding Herpes Simplex Keratitis

      Herpes simplex keratitis is a condition that affects the cornea of the eye and is caused by the herpes simplex virus. The most common symptom of this condition is a dendritic corneal ulcer, which can cause a red, painful eye, photophobia, and epiphora. In some cases, visual acuity may also be decreased. Fluorescein staining may show an epithelial ulcer, which can help with diagnosis. One common treatment for this condition is topical aciclovir, which can help to reduce the severity of symptoms and prevent further damage to the cornea.

    • This question is part of the following fields:

      • Ophthalmology
      20.2
      Seconds
  • Question 97 - Which one of the following statements regarding the typical menstrual cycle is inaccurate?...

    Incorrect

    • Which one of the following statements regarding the typical menstrual cycle is inaccurate?

      Your Answer: The follicular phase follows menstruation and occurs around day 5 - 13

      Correct Answer: A surge of FSH causes ovulation

      Explanation:

      Ovulation is caused by the LH surge.

      Phases of the Menstrual Cycle

      The menstrual cycle is a complex process that can be divided into four phases: menstruation, follicular phase, ovulation, and luteal phase. During the follicular phase, a number of follicles develop in the ovaries, with one follicle becoming dominant around the mid-follicular phase. At the same time, the endometrium begins to proliferate. This phase is characterized by a rise in follicle-stimulating hormone (FSH), which results in the development of follicles that secrete oestradiol.

      During ovulation, the mature egg is released from the dominant follicle and triggers the acute release of luteinizing hormone (LH). This phase occurs on day 14 of the menstrual cycle. Following ovulation, the luteal phase begins, during which the corpus luteum secretes progesterone. This hormone causes the endometrium to change into a secretory lining. If fertilization does not occur, the corpus luteum will degenerate, and progesterone levels will fall.

      The cervical mucus also changes throughout the menstrual cycle. Following menstruation, the mucus is thick and forms a plug across the external os. Just prior to ovulation, the mucus becomes clear, acellular, and low viscosity. It also becomes ‘stretchy’ – a quality termed spinnbarkeit. Under the influence of progesterone, it becomes thick, scant, and tacky.

      Basal body temperature is another indicator of the menstrual cycle. It falls prior to ovulation due to the influence of oestradiol and rises following ovulation in response to higher progesterone levels. Understanding the different phases of the menstrual cycle can help individuals track their fertility and plan for pregnancy.

    • This question is part of the following fields:

      • Reproductive Medicine
      13.1
      Seconds
  • Question 98 - A 27-year-old woman arrives at the emergency department complaining of sudden abdominal pain...

    Incorrect

    • A 27-year-old woman arrives at the emergency department complaining of sudden abdominal pain and vaginal bleeding. She had her last period 6 weeks ago and is sexually active without using any hormonal contraception. She has no significant medical history. Upon examination, she has a heart rate of 84 bpm and a blood pressure of 128/78 mmHg. There is tenderness in the left iliac fossa. A pregnancy test confirms that she is pregnant, and further investigations reveal a 40 mm left adnexal mass with no heartbeat. The serum b-hCG level is 6200 IU/L. What is the most appropriate course of action for her management?

      Your Answer: Laparoscopic salpingotomy and monitoring

      Correct Answer: Laparoscopic salpingectomy and monitoring

      Explanation:

      For women with no other risk factors for infertility, salpingectomy is the first-line treatment for ectopic pregnancy requiring surgical management, rather than salpingotomy. In the case of a patient with acute-onset abdominal pain and vaginal bleeding after 6-8 weeks following her last period, a positive pregnancy test, and ultrasound findings confirming an ectopic pregnancy, laparoscopic salpingectomy and monitoring is the correct course of action. This is especially true if the size of the ectopic pregnancy is greater than 35 mm and the beta-hCG levels are higher than 5000 IU/L. Salpingotomy may require further treatment with methotrexate and may not remove the ectopic pregnancy entirely, making salpingectomy the preferred method. Expectant management and monitoring, laparoscopic salpingotomy and monitoring, and methotrexate and monitoring are all inappropriate for this patient’s case.

      Ectopic pregnancy is a serious condition that requires prompt investigation and management. Women who are stable are typically investigated and managed in an early pregnancy assessment unit, while those who are unstable should be referred to the emergency department. The investigation of choice for ectopic pregnancy is a transvaginal ultrasound, which will confirm the presence of a positive pregnancy test.

      There are three ways to manage ectopic pregnancies: expectant management, medical management, and surgical management. The choice of management will depend on various criteria, such as the size of the ectopic pregnancy, whether it is ruptured or not, and the patient’s symptoms and hCG levels. Expectant management involves closely monitoring the patient over 48 hours, while medical management involves giving the patient methotrexate and requires follow-up. Surgical management can involve salpingectomy or salpingotomy, depending on the patient’s risk factors for infertility.

      Salpingectomy is the first-line treatment for women with no other risk factors for infertility, while salpingotomy should be considered for women with contralateral tube damage. However, around 1 in 5 women who undergo a salpingotomy require further treatment, such as methotrexate and/or a salpingectomy. It is important to carefully consider the patient’s individual circumstances and make a decision that will provide the best possible outcome.

    • This question is part of the following fields:

      • Reproductive Medicine
      28.3
      Seconds
  • Question 99 - An 80-year-old man visits his GP complaining of a painful lesion on his...

    Incorrect

    • An 80-year-old man visits his GP complaining of a painful lesion on his ear that has been bothering him for a year. The lesion has remained the same for several months but is causing him significant discomfort when he lies down. He reports no other symptoms.
      Upon examination, the doctor observes a well-defined, 10mm, flesh-colored nodule on the superior helix of the ear. The nodule is firm, very tender to touch, and covered with some scales.
      What is the most probable diagnosis?

      Your Answer: Keratoacanthoma

      Correct Answer: Chondrodermatitis nodularis helicis

      Explanation:

      Chondrodermatitis nodularis helicis is a painful, non-cancerous nodule that commonly occurs on the ear, particularly in men. Based on the patient’s level of pain and the stable nature of the lesion, this is the most likely diagnosis. While squamous cell carcinoma is a possible differential, it typically progresses more rapidly than this lesion. Similarly, basal cell carcinoma usually develops gradually and is not typically associated with significant pain. Although actinic keratosis can cause a scaly lesion on the ear, it is usually not as painful as chondrodermatitis nodularis helicis and tends to progress slowly over time.

      Understanding Chondrodermatitis Nodularis Helicis

      Chondrodermatitis nodularis helicis (CNH) is a harmless condition that is characterized by the formation of a painful nodule on the ear. It is believed to be caused by various factors such as continuous pressure on the ear, trauma, or exposure to cold. This condition is more prevalent in men and tends to occur more frequently as one ages.

      To manage CNH, it is essential to reduce pressure on the ear. This can be achieved by using foam ear protectors while sleeping. Other treatment options include cryotherapy, steroid injection, and collagen injection. However, surgical treatment may be necessary in some cases, although there is a high likelihood of recurrence.

      Overall, understanding CNH is crucial in managing this condition effectively. By taking the necessary precautions and seeking appropriate treatment, individuals can alleviate the pain and discomfort associated with CNH.

    • This question is part of the following fields:

      • Dermatology
      21.2
      Seconds
  • Question 100 - A 55-year-old man visits his General Practitioner (GP) complaining of tingling in both...

    Incorrect

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

      Your Answer: Serum growth hormone

      Correct Answer: Serum IGF1 levels

      Explanation:

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

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

    • This question is part of the following fields:

      • Endocrinology/Metabolic Disease
      23.5
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Immunology/Allergy (0/2) 0%
ENT (4/5) 80%
Paediatrics (3/9) 33%
Reproductive Medicine (7/10) 70%
Musculoskeletal (2/6) 33%
Dermatology (6/10) 60%
Gastroenterology/Nutrition (3/5) 60%
Pharmacology/Therapeutics (4/7) 57%
Endocrinology/Metabolic Disease (2/9) 22%
Cardiovascular (7/11) 64%
Ophthalmology (3/5) 60%
Haematology/Oncology (1/4) 25%
Renal Medicine/Urology (3/3) 100%
Psychiatry (1/2) 50%
Neurology (4/8) 50%
Infectious Diseases (2/3) 67%
Respiratory Medicine (0/1) 0%
Passmed