This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, 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: Hypertension in children\n\nHypertension is defined as the arterial blood pressure above 95th percentile with reference to age and sex.\nBetween the 90th and 95" percentile it is called borderline high blood pressure. \n\tCauses of hypertension in children\nEssential hypertension is relatively uncommon (10%) in children in contrast to aged persons.\nThe four most common causes of hypertension in children are : -\n\ni)\xa0\xa0 Chronic glomerulonephritis (most common) —>\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 25 %\nii)\xa0Chronic pyelonephritis\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 —>\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 10 %\niii) Renal artery stenosis\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 -->\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 10 %\niv) Essential hypertension\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 —>\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 10 %\nRemember\n\nMC cause of hypertension in children chronic glomerulonephritis.\nMC cause renovascular hypertension in children —› renal artery stenosis.', 'role': 'assistant'}]