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Question 1
Correct
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A 63-year-old woman visits the diabetes clinic for review. She has had type-2 diabetes for 9 years and is now on insulin therapy. She has diabetic nephropathy, as exemplified by hypertension and proteinuria (urinary PCR 155); a recent creatinine level was 205 μmol/l and eGFR 24 ml/min. Which of the following options best fits her prognosis or management?
Your Answer: Treatment with ARB or ACE-I may slow further deterioration in renal function
Explanation:Treatment with ARB or ACE-I may slow further deterioration in renal function in this patient, as studies have shown that blocking of the RAS in type 2 diabetic patients improve renal function.
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This question is part of the following fields:
- Nephrology
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Question 2
Correct
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A 52-year-old woman with polycystic kidney disease and a slowly rising creatinine, which was 320 μmol/L at her last clinic visit 3 weeks ago, is brought into the Emergency Department having been found collapsed at home by her partner. She is now fully conscious but complains of a headache. What is the most likely diagnosis?
Your Answer: Subarachnoid haemorrhage
Explanation:One of the most important complications in patients with PKD is being affected by berry aneurysms that may burst, causing a subarachnoid haemorrhage, which seems to be the case in this patient.
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This question is part of the following fields:
- Nephrology
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Question 3
Correct
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A 57-year-old man, who suffers from biventricular cardiac failure, comes to his doctor for a review. His symptoms are currently well controlled; he is taking Ramipril 10mg, Spironolactone 25mg, Bisoprolol 10mg, and Furosemide 40mg. His main complaint is of painful gynaecomastia that he says has developed over the past 6 months. Physical exam reveals a blood pressure of 125/80 mmHg and no residual signs of cardiac failure. Renal function is unchanged from 6 months earlier, with stable creatinine at 125 µmol/l. Which of the following is the most appropriate next step?
Your Answer: Change the spironolactone to eplerenone
Explanation:Spironolactone is an aldosterone antagonist diuretic that is well-known to cause gynaecomastia because it increases testosterone clearance and oestradiol production. The patient’s primary complaint of gynaecomastia should immediately prompt discontinuation of spironolactone and replacement with Eplerenone, which lacks the antiandrogenic effects, and thus there is less risk of gynaecomastia.
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This question is part of the following fields:
- Nephrology
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Question 4
Incorrect
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A 50-year-old gentleman with renal cell carcinoma has a haemoglobin of 19 g/dl. Which investigation will conclusively prove that this patient has secondary polycythaemia?
Your Answer: Reticulocyte count
Correct Answer: Erythropoietin level
Explanation:Erythropoietin (EPO) is used to distinguish between primary and secondary polycythaemia. Secondary polycythaemia can be caused by tumours in the kidney that may secrete EPO or EPO-like proteins.
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This question is part of the following fields:
- Nephrology
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Question 5
Correct
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A 3-year old boy presents with an abdominal mass. Which of the following is associated with Wilm’s tumour (nephroblastoma)?
Your Answer: Beckwith-Wiedemann syndrome
Explanation:Beckwith-Wiedemann syndrome is a inherited condition associated with organomegaly, macroglossia, abdominal wall defects, Wilm’s tumour and neonatal hypoglycaemia. Wilm’s tumour is a kidney cancer that usually occurs in children. The causes are unknown, however, risk factors include race and family history. Of note, Wilm’s tumour can occur as part of the following syndromes: WAGR syndrome, Denys-Drash syndrome, and Beckwith-Wiedmann syndrome and not the other listed options in this question.
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This question is part of the following fields:
- Nephrology
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Question 6
Correct
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A 23-year-old pregnant woman presents with glycosuria. What is the most likely mechanism?
Your Answer: Reduced renal reabsorption
Explanation:Throughout pregnancy the tubular reabsorption of glucose is less effective than in the non-pregnant state, this leads to glycosuria.
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This question is part of the following fields:
- Nephrology
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Question 7
Correct
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A 65-year-old gentleman with a history of chronic renal failure due to diabetes comes to the clinic for review. He has reported increasing bone and muscle aches over the past few weeks. Medications include ramipril, amlodipine and indapamide for blood pressure control, atorvastatin for lipid management, and insulin for control of his blood sugar. On examination his BP is 148/80 mmHg, his pulse is 79 and regular. His BMI is 28. Investigations show: Haemoglobin 10.7 g/dl (13.5-17.7) White cell count 8.2 x 10(9)/l (4-11) Platelets 202 x 10(9)/l (150-400) Serum sodium 140 mmol/l (135-146) Serum potassium 5.0 mmol/l (3.5-5) Creatinine 192 μmol/l (79-118) Calcium 2.18 mmol/l (2.2-2.67) Phosphate 1.9 mmol/l (0.7-1.5) He has tried following a low phosphate diet. Which of the following would be the next most appropriate step in controlling his phosphate levels?
Your Answer: Sevelamer
Explanation:Sevelamer is a phosphate-binding drug that can lower raised serum phosphate levels in chronic kidney disease. Because of its aluminium-related side-effects, aluminium hydroxide is no longer the drug of choice.
The other options are calcium-containing salts that may increase risks of tissue calcification. -
This question is part of the following fields:
- Nephrology
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Question 8
Correct
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A 20-year-old woman presents to casualty with flank pain and a 48 hour history of dysuria. Her past medical history includes polycystic ovarian syndrome. She is not in a steady relationship at present. There is haematuria and proteinuria on urine dipstick testing. Examination reveals a pyrexia of 38.1 °C and flank pain. What diagnosis fits best with this clinical picture?
Your Answer: Pyelonephritis
Explanation:The patient presents with flank pain and fever with haematuria and proteinuria associated with a social history of not being in a steady relationship. This patient is a young presumably sexually active female, so the diagnosis is most likely pyelonephritis which has an increased incidence in young sexually active women or men of >50 years of age.
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This question is part of the following fields:
- Nephrology
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Question 9
Correct
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A 61-year-old gentleman presents with pain in his right flank and haematuria. A CT scan of the abdomen reveals a large 8 × 8cm solid mass in the right kidney and a 3 × 3cm solid mass occupying the upper pole of the left kidney. What is the most appropriate treatment for this patient?
Your Answer: Right radical nephrectomy and left partial nephrectomy
Explanation:This patient presents with the classic triad of renal carcinoma: haematuria, loin pain and a mass in the kidneys. Management will entail right radical nephrectomy because of the 8x8cm solid mass and a left partial nephrectomy of the 3x3cm solid mass.
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This question is part of the following fields:
- Nephrology
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Question 10
Correct
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In idiopathic hypercalciuria, what management should be initiated if there is renal stone disease or bone demineralization?
Your Answer: Dietary modification and thiazide diuretics
Explanation:Idiopathic hypercalciuria presents with excess calcium in the urine without an apparent cause. Dietary modification is the first step in addressing this condition, however, because hypercalciuria increases the risk of developing renal stones and bone demineralisation, thiazide diuretics should be prescribed to increase calcium reabsorption when these symptoms are also present.
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This question is part of the following fields:
- Nephrology
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