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Question 1
Incorrect
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A 11-year-old boy has a history of tonsillitis followed by haematuria and hypertension about 10 days later.What would be the characteristic blood test finding in this condition?
Your Answer: Low C4 level
Correct Answer: Depressed CH 50 level
Explanation:Because the medical history included tonsillitis followed by haematuria and hypertension, there is a strong suspicion of a case of post-streptococcal glomerulonephritis (PSGN). Patients with PSGN usually have serological findings showing depressed serum haemolytic component CH50 and serum concentrations of C3. Sometimes depressed C4 levels are also apparent, but not always, therefore, the answer to this question is: depressed CH50 level.
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This question is part of the following fields:
- Renal
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Question 2
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:
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 3
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:
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 4
Incorrect
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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:
Correct 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 5
Incorrect
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A 12 year old boy has a high HbA1c and is being checked by the diabetic specialist nurse. He has been skipping meals lately and his school teachers have noticed that he's been unhappy. Who do you suggest his parents take him to?
Your Answer:
Correct Answer: Clinical psychologist
Explanation:The boy is most probably a type 1 diabetic patient. Such a condition can affect the behaviour and psychological state of a young child reflected in their behaviour. The parents should seek the help of a clinical psychologist.
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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 10 year old boy presents with generalized swelling. This includes puffiness in the face and swollen ankles - these symptoms have been present for 4 days. The swelling began just a few days after he suffered from a mild cold with a runny nose. His only past medical history is that of eczema. His urine analysis showed the following: haematuria; proteinuria (10g/24h); creat60umol/l; and albumin of 15g/l. From the list of options, what is the single most likely diagnosis for this patient?
Your Answer:
Correct Answer: IgA nephropathy
Explanation:A 10 year old child, with a history of URTI and haematuria, presents a picture consistent with a diagnosis of IgA nephropathy. This condition can present with proteinuria and generalized swelling. However, an important differentiating point from rapidly progressive GN is the duration. IgA nephropathy is usually <10 days (commonly 4-5 day history of infection).
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This question is part of the following fields:
- Renal
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Question 7
Incorrect
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A 16-year-old girl developed haemoptysis with acute kidney injury requiring dialysis. She suffered from recurrent epistaxis for the past 2 weeks. Renal biopsy showed crescentic glomerulonephritis. Which antibody would you expect to be positive?
Your Answer:
Correct Answer: Antiproteinase 3
Explanation:This patient has pulmonary renal syndrome which is most commonly due to an ANCA positive vasculitis. The history of recurrent epistaxis makes Wegener’s granulomatosis the most probable diagnosis. Wegener’s granulomatosis, microscopic polyangiitis, and idiopathic pauci-immune necrotizing crescentic glomerulonephritis (NCGN) are strongly associated with antineutrophil cytoplasmic autoantibodies (ANCAs) directed against either proteinase 3 (anti-PR3) or myeloperoxidase (anti-MPO).
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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 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:
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 9
Incorrect
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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:
Correct 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 10
Incorrect
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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:
Correct 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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