This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'Proliferative glomerular deposits are found in \nSelect and explain. \nA. Amyloidosis, B. IgA nephropathy, C. Diabetes mellitus, D. Membranous glomerulonephritis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IgA nephropathy is an immune complex-mediated glomerulonephritis defined by the presence of diffuse mesangial IgA deposits often associated with mesangial hypercellularity. ref - Harrisons internal medicine 20e pg2135-2140', 'role': 'assistant'}]