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': 'First line treatment of RPGN is? \nSelect and explain. \nA. Wait and watch, B. Sirolimus, C. Methylprednisolone, D. Plasma exchange', 'role': 'user'}, {'content': 'Answer: C \nExplanation: * For management of acute GN/ RPGN give 500-1000 mg methylprednisolone while awaiting biopsy results. * Consider plasmapheresis for fuher treatment based on underlying disease.', 'role': 'assistant'}]