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': '8 year old child with hematuria in 5 days after throat infection? \nSelect and explain. \nA. Post streptococcal nephropathy, B. Ig A nephropathy, C. Nephrotic syndrome, D. can be a or b', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b'i.e., Ig A Nephnopathy IgA nephropathy Predominant deposition of IgA in glomeruli. RECURRENT episode of gross rematuria that also precipitation by UI in last 2-5 days. PSGN Acute GN following infection by group A - -hemolytic streptococci. Common in school age children. o Streptococcal infection usually of throat (4 or 12 strain) or skin (strain 49) by 1-4 week prior to AGN. Edema, oliguria, hypeension, ARF, hematurea of abrupt onset.", 'role': 'assistant'}]