This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Urinary Tract), Subject name: Pathology
[{'content': 'Henoch schonlein purpura is associated with following deposits? \nSelect and explain. \nA. Ig M, B. Ig A, C. IgD, D. IgE', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' i.e. IgA o There is deposion of IgA, sometimes with IgG and C3, in the mesangial region in HSRo IgA is deposited in the glomerular mesangium in a distribution similar to that of IgA nephropathy. This has led to the concept that IgA nephropathy and Henoch-Schonlein purpura are spectra of the same disease.", 'role': 'assistant'}]