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Question 1
Incorrect
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A 15-year-old boy presented to a urologist with a complaint of blood in the urine and pain in his abdomen. On examination, abdominal swelling is present and blood pressure is elevated. Which of the following is the most appropriate investigation in this case?
Your Answer: Urine analysis
Correct Answer: Ultrasound
Explanation:Haematuria and abdominal swelling may indicate either polycystic kidney disease or a tumour. Because of the patient’s age, the likelihood of a tumorous growth is small, thus an ultrasound is the best choice for this case.
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This question is part of the following fields:
- Renal
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Question 2
Correct
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A 11-year-old boy is admitted to the hospital with diarrhoea and lethargy. There is a known local outbreak of E coli 0157:H7, and his initial bloods show evidence of acute renal failure. Given the likely diagnosis, which one of the following investigation results would be expected?
Your Answer: Fragmented red blood cells
Explanation:The likely diagnosis in this case is Haemolytic Uremic Syndrome (HUS), which is generally seen in young children presenting with a triad of symptoms, namely: acute renal failure, microangiopathic haemolytic anaemia, and thrombocytopenia. The typical cause of HUS is ingestion of a strain of Escherichia coli. The laboratory results will usually include fragmented RBCs, decreased serum haptoglobin, reduced platelet count, nonspecific WBC changes, and normal coagulation tests (PTT included).
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This question is part of the following fields:
- Renal
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Question 3
Incorrect
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A 16-year-old boy suffers recurrent episodes of haematuria following a flu-like illness. He is otherwise well. Physical examination is normal. Urinalysis reveals no proteinuria, blood ++, and 2–3 white blood cells/mm3. What is the most probable diagnosis?
Your Answer: Post-streptococcal glomerulonephritis
Correct Answer: IgA nephropathy
Explanation:IgA nephropathy’s characteristic presentation is haematuria following a non-specific upper respiratory infection as was evident in this case. IgA nephropathy also usually occurs in children and young males, like this patient.
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This question is part of the following fields:
- Renal
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Question 4
Correct
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A 2-month-old infant was brought to the paediatrics ward by her mother with a complaint of excessive crying during urination. The urine culture of the infant revealed E.coli. Which of the following investigations should be done next?
Your Answer: US
Explanation:Urine culture confirms a diagnosis of a UTI. A kidney ultrasound will be the next best investigation because it will help us to visualise the bladder, kidneys, and ureters to rule out any congenital obstruction in the urinary tract that might be the actual cause of infection in this 2-month old girl.
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This question is part of the following fields:
- Renal
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Question 5
Correct
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A 7-year-old female presented with complaints of haematuria and fatigue. She had a history of bloody diarrhoea starting 7 days previously. On investigation, her serum urea and creatinine were raised and proteinuria was present. Which of the following is the most suitable diagnosis for her?
Your Answer: Haemolytic-uremic syndrome (HUS)
Explanation:HUS syndrome occurs mostly in children after some days of bloody diarrhoea. Damaged red blood cells also damage the kidney filtering unit and lead to sudden renal failure.
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This question is part of the following fields:
- Renal
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Question 6
Incorrect
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A 13-year-old male presented in the OPD with bilateral ankle oedema. On examination, his BP was normal. Urinalysis showed a high degree of proteinuria was present. Which of the following is the most probable diagnosis in this patient?
Your Answer: Nephrotic syndrome
Correct Answer: Minimal change GN
Explanation:Minimal change disease is a type of glomerulonephritis that mostly affects younger children. Proteinuria is present which leads to body oedema. But in these patients blood pressure is normal.
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This question is part of the following fields:
- Renal
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Question 7
Correct
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A 7-year-old girl is given cephalexin to treat an infection and develops hives, with localised facial oedema. Which of the following conditions will cause localised oedema?
Your Answer: Angio-oedema
Explanation:Angio-oedema, is the rapid swelling of the skin, mucosa and submucosal tissues. The underlying mechanism typically involves histamine or bradykinin. The version related to histamine is to due an allergic reaction to agents such as insect bites, food, or medications. The version related to bradykinin may occur due to an inherited C1 esterase inhibitor deficiency, medications e.g. angiotensin converting enzyme inhibitors, or a lymphoproliferative disorder.
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This question is part of the following fields:
- Renal
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Question 8
Incorrect
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A 7-year-old child presented to the paediatric clinic with a swollen face, hands and feet. She gained 2 kilograms over the last month despite poor feeding. What is the investigation of choice in this case?
Your Answer: Thyroid function tests
Correct Answer: Urinary albumin
Explanation:This is a case of nephrotic syndrome that can be confirmed by the presence of urinary albumin. It should be further investigated by a tissue sample to confirm the diagnosis.
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This question is part of the following fields:
- Renal
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Question 9
Incorrect
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A 4 year old girl is brought to the emergency due to fever and urinary urgency. The temperature is recorded to be 39C. Which of the following is the best investigation in this case?
Your Answer: Catheter catch of urine
Correct Answer: Clean catch of urine
Explanation:Urine culture and sensitivity is used to diagnose a urinary tract infection (UTI). A mid-stream clean catch urine sample is the most common type of sample collected. It is important to follow the clean catch process to have accurate results from an uncontaminated sample. Urine cultures can also check for infections of the bladder or kidney.
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This question is part of the following fields:
- Renal
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Question 10
Correct
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A 7-year-old boy with facial oedema was brought to the hospital by his parents. Renal function is normal and urinalysis revealed the presence of a profound proteinuria. Which of the following is the most probable cause of these findings?
Your Answer: Minimal-change disease
Explanation:Minimal-change disease (MCD) refers to a histopathologic glomerular lesion, typically found in children, that is almost always associated with nephrotic syndrome. The most noticeable symptom of MCD is oedema, which can develop very rapidly. Due to the renal loss of proteins muscle wasting and growth failure may be seen in children. Renal function is usually not affected and a proteinuria of more than 40 mg/h/m2 is the only abnormal finding in urinalysis.
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This question is part of the following fields:
- Renal
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