This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Feature of microscopic polyangitis is: \nSelect and explain. \nA. IgG deposits in kidney, B. Bronchospasm, C. Renal involvement in 80% of cases, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Renal involvement is seen in at least 80% ofpatients with MPA. Renal involvement is seen in at least 80% of patients with MPA Renal involvement is seen in at least 80% of patients with MPA - CRDT Glomerulonephritis occurs in atleast 79% of patients - Harrison Microscopic polyangitis is not associated with IgG Deposits in kidney Microscopic Polyangitis is a pauci-immune glomerulonephritis. Immunofluorescence and electron microscopy show no immune deposits Microscopic Polyangitis is not associated with bronchospasm Asthma (bronchospasm) and Eosinophilia are features of Churg-Strauss Syndrome and are typically absent in microscopic polyangitis. REF: Harrison book of internal medicine 21ST EDITION', 'role': 'assistant'}]