This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pediatrics
[{'content': 'Traetment of choice in brochiolitis in \nSelect and explain. \nA. Ribavirin, B. Amantadine, C. Vidarabine, D. Zidovudine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Antibiotics have no role. Ribavirin an antiviral agent has no role in treatment of infants who were previously healthy.It shoens the course of illness in infants with underlying congenital hea disease, chronic lung diseases,and immunodeficiency.Ribavirin is delivered by a nebulizer 16 hours a day for 3-5 days in such cases. Ref : Essential Pediatrics,O.P.Ghai,7t edition,pg no:358', 'role': 'assistant'}]