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Question 1
Correct
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A 40-year-old woman presents to her GP with malaise, anorexia, and weight loss. Screening blood samples reveals urea of 50.1 mmol/l and serum creatinine of 690 μmol/l. Her past history includes frequent headaches, but nothing else of note. She has, however, failed to attend her routine ‘well-woman’ appointments. Ultrasound reveals bilateral hydronephrosis and a suspicion of a central pelvic mass. What diagnosis is most likely to be responsible for this woman’s hydronephrosis?
Your Answer: Cervical carcinoma
Explanation:The patient’s history of recent weight loss and malaise, paired with enlarged kidneys and renal failure, as well as a suspected central pelvic mass on ultrasound, gives a suspicion of cervical carcinoma.
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This question is part of the following fields:
- Nephrology
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Question 2
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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Question 3
Incorrect
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In diabetes, what is the most common finding on renal biopsy?
Your Answer: Loss of foot processes
Correct Answer: Glomerulosclerosis
Explanation:Glomerulosclerosis is the scarring and hardening of the glomeruli known as diabetic glomerulosclerosis occurring in long-standing diabetes.
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This question is part of the following fields:
- Nephrology
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Question 4
Correct
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A 64-year-old woman presents with malaise, ankle swelling and shortness of breath. Her blood pressure is 215/140 mmHg, she has +2 peripheral oedema and the skin over her fingers appears very tight. Fundoscopy discloses bilateral papilledema. Plasma creatinine concentration is 370 μmol/l, potassium is 4.9 mmol/l, haemoglobin is 8.9 g/dl and her platelet count is 90 x 109 /ml. What is the pathological hallmark of this condition?
Your Answer: Mucoid intimal thickening of vascular endothelium
Explanation:The history is suggestive of scleroderma renal crisis, where we would expect thrombotic microangiopathy process with vascular endothelium involvement manifesting as mucoid intimal thickening or onion skin effect.
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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 recurrent urinary tract infections. What is the most common cause for this problem in a child of this age?
Your Answer: Vesicoureteric reflux
Explanation:Vesicoureteral reflux is the condition when the urine flows backwards from the bladder into the kidneys, which is the most common cause of UTI in patients this age.
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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 70-year-old complains of lower urinary tract symptoms. Which one of the following statements regarding benign prostatic hyperplasia is incorrect?
Your Answer: Goserelin is licensed for refractory cases
Explanation:Goserelin (Zoladex) is usually prescribed to treat hormone-sensitive cancers of the breast and prostate not for BPH. All other statements are correct.
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This question is part of the following fields:
- Nephrology
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Question 7
Incorrect
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A 68-year-old gentleman has been receiving dialysis for 6 years. His PTH is elevated at 345 pg/ml (NR 25-65), phosphate 2.13 mmol/l and corrected calcium 2.01 mmol/l. Of the following, which is most likely responsible for renal osteodystrophy?
Your Answer: Increased levels of 1,25-dihydroxy-cholecalciferol
Correct Answer: Diminished activity of renal 1-α-hydroxylase
Explanation:Renal osteodystrophy is a metabolic bone disease often affecting long-term dialysis patients. The kidneys are no longer able to maintain the calcium levels in the blood, thus the PTH increases as the body attempts to raise blood calcium levels. Osteomalacia in these cases is most likely caused by the diminished activity of renal 1-a-hydroxylase that is important for hydroxylation of Calciferol to calcitriol (Vitamin D). This bioactive form of Vitamin D is responsible for increasing intestinal absorption of calcium.
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This question is part of the following fields:
- Nephrology
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Question 8
Correct
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An 83-year-old gentleman presents to his GP with increasing oedema and ascites. He is hypertensive, for which he takes amlodipine. There is shortness of breath on exercise. His alcohol history is two cans of stout per day. ECG is normal, and CXR reveals normal heart size and no signs of cardiac failure. Serum albumin is 23 g/dl; urinary albumin excretion is 7 g/24 h, with no haematuria. He has mild anaemia with a normal MCV. Total cholesterol is elevated. What diagnosis fits best with this clinical picture?
Your Answer: Nephrotic syndrome
Explanation:Nephrotic syndrome usually presents with the symptoms in this patient: low albumin, abnormal cholesterol, increased urinary albumin excretion, oedema, and as a consequence, hypertension as well.
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This question is part of the following fields:
- Nephrology
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Question 9
Incorrect
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A 28 year old female presents to her GP with joint pain , fever, a butterfly rash and fatigue. She has marked peripheral oedema. She is found to be hypertensive, in acute renal failure, low albumin levels and proteinuria. A renal biopsy is performed and reveals focal glomerulonephritis with subendothelial and mesangial immune deposits. What is the most likely diagnosis?
Your Answer: Lupus nephritis class II
Correct Answer: Lupus nephritis Class III
Explanation:This case presents with characteristic symptoms of SLE and with her renal biopsy results of focal glomerulonephritis, this is clearly Class III SLE.
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This question is part of the following fields:
- Nephrology
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Question 10
Correct
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Which of the following is most helpful in differentiating chronic from acute renal failure?
Your Answer: Kidney size at ultrasound scan
Explanation:The size of the kidneys on ultrasound would differentiate chronic from acute renal failures. Chronic renal failure is more associated with small-sized kidneys.
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This question is part of the following fields:
- Nephrology
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SESSION STATS - PERFORMANCE PER SPECIALTY
