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Dentistry · Oral medicine and oral cancer: mumps parotitis
Sample itemA 7-year-old unvaccinated child has fever and painful bilateral swelling in front of and below the ears. A red swollen opening of Stensen's duct is seen. What is the likely cause?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Mumps virus
Mumps is a paramyxovirus infection causing parotitis, often bilateral, with swelling and redness at the orifice of Stensen's duct. Orchitis and aseptic meningitis are complications.
Option by option
A. Streptococcus mutans
S. mutans causes dental caries and not parotid swelling.
B. Staphylococcus aureus
S. aureus causes unilateral suppurative parotitis, usually in dehydrated adults.
C. Coxsackie A virus
Coxsackie A gives hand, foot and mouth disease and herpangina.
D. Mumps virus (correct)
Correct. Bilateral parotitis in an unvaccinated child suggests mumps.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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