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: Pediatrics
[{'content': 'Which of the following is true of mumps – \nSelect and explain. \nA. Salivary gland involvement is limited to the parotids, B. The patient is not infectious prior to clinical parotid enlargement, C. Menigoencephalitis can precede parotitis, D. Mumps orchitis frequently leads to infertility', 'role': 'user'}, {'content': 'Answer: C \nExplanation: "Aseptic meningitis may develop before, during, after or in the absence of parotids." - Harrison 17th/e-1220\nAbout other options\n\nMainly parotid glands are involved, but sublingual and submaxillary glands may also be involved.\nThe patient is infectious 4-6 days before the onset of swelling.\nSterility after mumps orchitis is rare.', 'role': 'assistant'}]