The opening in the nasopharynax tht permits air pressure on both sides of tympanic membrane of the ear to be kept equal is
The opening in the nasopharynax tht permits air pressure on both sides of tympanic membrane of the ear to be kept equal is
A. Oval window
B. Tube of cochlea
C. Auditory nerve
D. Eustachian tube
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Correct Answer - D
The function of eustachian tube is to equalize air pressure of both side (external and middle ear) of typpanic memrbanbe.
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