This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'A patient presents with respiratory symptoms i.e. cough, hemoptysis and glomerulonephritis. His C-ANCA levels in serum were found to be raised. The most likely diagnosis is – \nSelect and explain. \nA. Goodpasteur’s syndrome, B. Classic polyarteritisnodosa, C. Wegener’s granulomatosis, D. Kawasaki syndrome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Renal and pulmonary symptoms with positive c-ANCA suggest the diagnosis of wegner’sglomerulonepritis\nClinical syndrome of wegner granulomatosis may be very similar to classical PAN or microscopic polyangitis.', 'role': 'assistant'}]