The nurse is caring for a client who just returned from a trip requiring an airline flight. The client commented on how his ears hurt upon descent. The nurse is correct in stating which site as being the pressure equalizer in the ear?
A) Eustachian tube
B) Auricle
C) Tympanic membrane
D) Labyrinth
A
Feedback:
The eustachian tube extends from the floor of the middle ear to the pharynx. It equalizes air pressure in the middle ear. The auricle is the fleshy portion of the outer ear which funnels sound waves to the inner ear. The tympanic membrane is the eardrum. The labyrinth is the inner ear which contains fluid.
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