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
Which of the following is true of mumps ? 
Select and explain. 
A. 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 infeility
C: Menigoencephalitis can precede parotitis
Answer: C: Menigoencephalitis can precede parotitis 
Explanation: Ans. is 'c' i.e., Meningoencephalitis can precede parotitis "Aseptic meningitis may develop before, during, after or in the absence of parotitis." About other options o Mainly parotid glands are involved, but sublingual and submaxillary glands may also be involved. o Patient is infectious 4-6 days before the onset of swelling. Sterility after mumps orchitis is rare.