This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
[{'content': 'Lung is characteristically involved in: \nSelect and explain. \nA. Churg-Strauss syndrome, B. HSP, C. PAN, D. ITP', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Churg-Strauss syndrome(Ref: Nelson's 20/e p 1221-1223, Ghai 8/e p 631-635)Churg Strauss syndrome: It is a small vessel necrotizing granulomatous vasculitis associated with a history of refractory asthma & peripheral eosinophilia.", 'role': 'assistant'}]