Laurie Has Normal Hearing; However,her Air Conduction Test Results Are,on

Laurie has normal hearing; however,her air conduction test results are,on average,5 dB higher than her bone conduction test results in both ears.What accounts for these results?

A) Laurie has an undiagnosed sensorineural hearing loss
B) At time of testing Laurie was experiencing a mild upper respiratory infection causing slight accumulation of fluid in the middle ear.
C) In air conduction testing,the sound bypassed the outer and middle ear measuring only the sensitivity of the inner ear
D) In bone conduction testing,the sound bypassed the outer and middle ear measuring only the sensitivity of the inner ear
E) B and D

Correct Answer:

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