In the middle ear

safaTerkawi

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2022-08-11

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In the middle ear.

Destruction of the auditory ossicles abolishes hearing.
Paralysis of the auditory muscles makes sounds more faint.
Immobilization of the stapes causes greater deafness than removal of the ossicles.
Air pressure is normally atmospheric pressure.
The round window moves reciprocally with the oval window.

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safaTerkawi

2022-08-11

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A. False Sound can still be transmitted by bone conduction.

B. False These muscles damp vibration of the ossicles reflexly in response to loud noises.

C. True Immobilization prevents the oval window vibrating and causes severe deafness.

D. True Air pressure is atmospheric, due to the patency of the pharyngotympanic tubes connecting the pharynx to the middle ear.

E. True Fluid (endolymph) cannot be compressed; as the oval window moves in, the round window moves out.

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