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': 'A 10 year old boy is having hypeension. There is no other significant history and urine analysis is cause for his hypeension ? \nSelect and explain. \nA. Chronic glomerulonephritis, B. Polycystic kidney disease, C. Reflux nephropathy, D. Renal Parenchymal disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: All these renal disease leads to hypeension. But except in polycystic kidney disease, all other will show characteristics urine findings. Polycystic kidney disease is usually asymptotic. Hypeension devolops about 10 to 20 years of age. Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]