A 4-year-old boy has had otitis media with effusion (OME) for several weeks, and his condition has recently progressed to acute otitis media (AOM)
Which of the following factors could have contributed to his AOM? Select all that apply.
A)
Reflux of fluid from the boy's nose into his middle ear
B)
A deficiency in immunoglobulin M
C)
Accumulation of cerumen in the external acoustic meatus
D)
Sensorineural deficits in the auditory control apparatus
E)
Exposure to respiratory virus
Ans:
A, E
Feedback:
Reflux via the eustachian tubes, IgG deficiency, and exposure to RSV have all been implicated in the development of AOM. Cerumen accumulation in the outer ear, deficient IgM, and sensorineural deficits are unlikely to contribute to AOM.
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