Which ear structure is responsible for equalizing atmospheric pressure when swallowing, sneezing, and yawning?
A)Eustachian tube
B)Inner ear
C)Semicircular canals
D)Triangular fossa
E)Oval window

Question

Quizplus · Accepted Answer

The eustachian tube is a cartilaginous and bony passageway between the nasopharynx and the middle ear that opens briefly to equalize the middle ear pressure with that of the atmospheric pressure when swallowing, yawning, or sneezing.

Which Ear Structure Is Responsible for Equalizing Atmospheric Pressure When