This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': 'Sustained severe hypertension in children is most commonly suggestive of - \nSelect and explain. \nA. Coarctation of aorta, B. Pheochromocytoma, C. Renal parenchymatous disease, D. Drug induced', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Renal Parenchymatous disease o Essential hypertension is relatively uncommon (10%) in children in contrast to aged persons, o The four most common causes of hypertension in children are:-i) Chronic glomerulonephritis (most common) - 25 %ii) Chronic pyelonephritis - 10%iii) Renal artery stenosis - 10%iv) Essential hypertension - 10 %", 'role': 'assistant'}]