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Question 1
Correct
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Which one of the following features is least associated with Waldenström's macroglobulinemia?
Your Answer: Bone pain
Explanation:Waldenström’s macroglobulinemia (also called lymphoplasmacytic lymphoma) is an uncommon type of non-Hodgkin lymphoma seen in older people. It is a lymphoplasmacytoid malignancy characterised by the secretion of a monoclonal IgM paraprotein. Its features include weight loss and lethargy; monoclonal IgM paraproteinemia; hyperviscosity syndrome leading to bilateral central retinal vein occlusion (CRVO) and hence, visual disturbances; hepatosplenomegaly and lymphadenopathy; and cryoglobulinemia. It is not, however, associated with bone pain.
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This question is part of the following fields:
- Haematology & Oncology
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Question 2
Correct
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A 26-year-old male has been taken to the emergency department with chest pain and increasing shortness of breath. He revealed that he has been a heavy smoker for the last 4 years, but doesn't have any past medical history. Which of the following is the most likely diagnosis?
Your Answer: Pneumothorax
Explanation:Increasing shortness of breath, chest pain, and no previous medical history are consistent with a pneumothorax diagnosis. Heavy tobacco use is also a risk factor for developing this condition spontaneously.
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This question is part of the following fields:
- Emergency & Critical Care
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Question 3
Correct
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A 46-year-old male, known with Rheumatoid Arthritis presents with a swollen and painful right ankle. No drug allergies are reported. On examination, the vitals are as follows:
Temp: 38.8
BP: 90/60 mmHg
Pulse: 110/min.
Right ankle examination reveals tenderness, warmth, erythema and tense joint effusion. Blood samples including blood cultures are collected and fluid resuscitation is initiated. Which of the following interventions would be most appropriate for this man?Your Answer: Administer i.v. flucloxacillin, and arrange joint aspiration urgently
Explanation:Although microscopic analysis of joint fluid aspirate and culture is the basis of septic arthritis diagnosis and should usually be collected before the administration of antibiotics, the patient is showing signs of septic shock. A delay in antibiotics might lead to worsening of symptoms so they are administered first.
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This question is part of the following fields:
- Musculoskeletal System
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Question 4
Incorrect
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Which one of the following statements is true regarding autosomal recessive polycystic kidney disease?
Your Answer: Onset is typically in the third decade
Correct Answer: May be diagnosed on prenatal ultrasound
Explanation:Autosomal recessive polycystic kidney disease (ARPKD) is less common than ADPKD (dominant form) but can already present with symptoms and be diagnosed on prenatal ultrasound.
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This question is part of the following fields:
- Renal System
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Question 5
Correct
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A 23-year-old female is admitted with acute severe asthma. Treatment is initiated with 100% oxygen, nebulised salbutamol and ipratropium bromide nebulisers and IV hydrocortisone. There is no improvement despite initial treatment.
What is the next step in management?Your Answer: IV magnesium sulphate
Explanation:A single dose of intravenous magnesium sulphate is safe and may improve lung function and reduce intubation rates in patients with acute severe asthma. Intravenous magnesium sulphate may also reduce hospital admissions in adults with acute asthma who have had little or no response to standard treatment.
Consider giving a single dose of intravenous magnesium sulphate to patients with acute severe asthma (PEF <50% best or predicted) who have not had a good initial response to inhaled bronchodilator therapy. Magnesium sulphate (1.2-2 g IV infusion over 20 minutes) should only be used following consultation with senior medical staff.
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This question is part of the following fields:
- Respiratory System
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Question 6
Incorrect
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A 28-year-old male is complaining about sore feet and lower back pain. He says it feels like walking on gravel. He also mentioned have some urethral discharge that he had not received any treatment for. He had a holiday in Morocco recently. What is the most likely diagnosis?
Your Answer: Reactive arthritis
Correct Answer: Sjogren's Syndrome
Explanation:This is a case of Sjogren Syndrome (aka Reiter’s disease). It is characterised by a triad of: seronegative arthritis mostly sacroiliitis (walking on gravel reflects planter fasciitis), urethritis and conjunctivitis. Sjogren Syndrome usually follows gastroenteritis or non specific urethritis. On the other hand gonococcal arthritis usually occurs in patients who are systemically unwell.
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This question is part of the following fields:
- Musculoskeletal System
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Question 7
Correct
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A 47-year-old woman is being treated with steroids for her diagnosis of giant cell arteritis (GCA). What is the other drug that can be added to this?
Your Answer: Aspirin
Explanation:Low dose aspirin is proven efficient in aversion of complications connected with giant cell arteritis such as stroke.
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This question is part of the following fields:
- Pharmacology
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Question 8
Incorrect
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A 25-year-old woman comes to the endocrine clinic for her regular follow up. She has hypertension, controlled by a combination of Ramipril and indapamide and was diagnosed with 11-beta hydroxylase deficiency since birth when she was found to have clitoromegaly.
Which of the following is most likely to be elevated?Your Answer: 17-OH progesterone
Correct Answer: 11-Deoxycortisol
Explanation:11-beta hydroxylase is stimulated by ACTH and responsible for conversion of 11-deoxycortisol to cortisol and deoxycorticosterone to corticosterone.
In 11-beta hydroxylase deficiency, the previously mentioned conversions are partially blocked, leading to:
– Increased levels of ACTH
– Accumulation of 11-deoxycortisol (which has limited biological activity) and deoxycorticosterone (which has mineralocorticoid activity)
– Overproduction of adrenal androgens (DHEA, androstenedione, and testosterone) -
This question is part of the following fields:
- Endocrine System & Metabolism
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Question 9
Correct
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A 27-year-old female diagnosed with rheumatoid arthritis has failed to respond to methotrexate and sulfasalazine. Her GP decides to start her on etanercept injections. Which one among the following is an adverse effect associated with the use of etanercept?
Your Answer: Reactivation of tuberculosis
Explanation:Among the give options, reactivation of tuberculosis may occur in a patient under treatment with etanercept.
Etanercept is a biological TNF inhibit commonly used to control ankylosing spondylitis, juvenile idiopathic arthritis, plaque psoriasis, psoriatic arthritis, and rheumatoid arthritis.
Etanercept is a soluble receptor that binds both TNF-alpha and TNF-beta to inhibit the inflammatory response in joints and skin that is characteristic of these autoimmune disorders.
The most common adverse effects include infections (viral, bacterial, and fungal – mostly upper respiratory tract infections) and injection site reaction (erythema, itching, pain, swelling, bleeding, bruising).
Rarely it can also cause, reactivation of hepatitis B and TB, pneumocystis pneumonia, congestive cardiac failure, Steven-Johnson syndrome, toxic epidermal necrolysis, etc. -
This question is part of the following fields:
- Musculoskeletal System
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Question 10
Incorrect
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A 70-year-old woman is having trouble in speaking following a stroke. Her limbs are paralyzed, both left upper and lower limbs. Which anatomical site is most likely affected?
Your Answer: Thalamus
Correct Answer: Internal capsule
Explanation:– The given scenario is typical of lesion in internal capsule.
– Memory impairment is caused by a hippocampal lesion,
– Impairment of arousal, facial paresis, visual field defect, facial paresis, hemiataxia, and hemispacial neglect are just some of the conditions caused by thalamic lesion.
– Brainstem stroke on the other hand causes breathing abnormality, altered consciousness, and blood pressure disorder. -
This question is part of the following fields:
- Geriatric Medicine
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