This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Viral Diseases in Children, Subject name: Pediatrics
[{'content': 'Most common complication of mumps in children: \nSelect and explain. \nA. Orchitis, B. Aseptic meningitis, C. Myocarditis, D. Pancreatitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most common complications of mumps are meningitis, with or without encephalitis, and gonadal involvement In adolescent and adult males, orchitis is second only to parotitis as a common finding in mumps. Orchitis is extremely rare in prepubescent boys', 'role': 'assistant'}]