Which may contribute to otitis media? (Select all that apply.)
a. Exposure to cigarette smoke
b. Allergies
c. Upper respiratory infections
d. Swimming
e. Trauma
f.
Prolonged exposure to loud noise
ANS: A, B, C
Otitis media is usually caused by an upper respiratory infection with gram-negative bacteria, such as Proteus, Klebsiella, and Pseudomonas. In addition, allergy, exposure to cigarette smoke, mycoplasma, and several viruses may be factors.
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Fill in the blank(s) with correct word