Question

“Popping” of the ears is often experienced when taking off on a plane flight because pressure changes in the ear cause slight displacement of the tympanic membrane. Which of the following is caused by displacement?
A. The middle bone of the ear cannot move, temporarily.
B. The calcareous structures in the inner ear cannot move, temporarily.
C. The hollow tube in the inner ear that contains the sensory organs of hearing changes position.
D. The thin membrane that closes the cavity of the middle ear from the outside changes position.

Answer 1

Correct answer: D). The thin membrane that closes the cavity of the middle ear from the outside changes position.

The popping sound is often experienced by the ears during the taking off on a plane flight, it is because the air at the higher surface is less dense than the air near the surface. The air in inner air is trapped in and as there is a change in atmospheric pressure, it causes pressure on the eardrum which changes its position and we experienced popping of the sound.

Hence, the correct answer would be option D.

Answer 2

The best and most correct answer among the choices provided by your question is the fourth choice or letter D "The thin membrane that closes the cavity of the middle ear from the outside changes position."

Your ears pop in airplanes because the air high above the surface of Earth is less dense than air near the surface, because air near the surface has all the air above it pushing down. Your inner ear has air trapped in it and as the atmospheric pressure changes, it causes pressure on your eardrum.

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