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Sarkari MCQs Government Exam Question Bank
Question no. 88126

Incoming acoustic waves stimulate which initial anatomical component of the ear _______________?

Select your answer for: Incoming acoustic waves stimulate which initial anatomical component of the ear _______________?
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Answer: B. eardrum

Explanation

Acoustic sound waves travel through the auditory canal and strike the eardrum initially. The eardrum vibrates in response to fluctuating air pressure changes caused by sound waves. This initial mechanical vibration is subsequently transmitted to the middle ear ossicles. The outer ear funnels sound waves inward toward the tympanic membrane barrier. The tympanic membrane separates the external auditory canal from the fluid filled middle ear. Auditory transduction converts mechanical sound energy into neural impulses within the inner ear.

Eardrum perforations caused by trauma or infection can severely impair initial sound wave conduction. Medical professionals use otoscopes to inspect the integrity and movement of the tympanic membrane. Hearing protection devices block excessive acoustic waves before they reach the sensitive eardrum. Option A refers to the middle ear bones which receive vibrations after the eardrum. Option C names an inner ear structure involved in frequency analysis far down the pathway. Option D is a cochlear membrane located within the inner ear rather than the initial entry point.

Subject
Psychology
Category
Psychology
Topic
—
Difficulty
medium

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