This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nephrotic and Nephritic syndrome, Subject name: Medicine
[{'content': 'Renal biopsy in a patient of microscopic polyangiitis (MPA) will yield which of the following findings? \nSelect and explain. \nA. Subepithelial humps on electron microscopy, B. Deposits showing apple-green birefringence on polarized light, C. Pauci-immune crescentic glomerulonephritis, D. Normal renal histology', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Option A: Feature seen in MGN Option B: Feature seen in Amyloidosis Option C: Pauci-immune crescentic glomerulonephritis', 'role': 'assistant'}]