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Tom is a 45-year-old male that has lost his ability to hear high frequency sounds. The most likely explanation for this would be ________.

A. damage to the hair cells near the oval window in the cochlear duct
B. an overgrowth of bony tissue, fusing the ossicles together
C. a perforated tympanic membrane
D. a middle ear infection

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Answer:

A. damage to the hair cells near the oval window in the cochlear duct

Explanation:

High frequency sounds are sounds received  from the range between  2,000 to 8,000 Hertz (Hz). Hearing impairment which causes inability to hear sounds within this range is termed as High Frequency Hearing Loss.

This situation occurs when sensory hearing cells also known as stereocilia within the ear's cochlea are damaged or dead. The role of the hairs cells are to create electrical impulses from the sounds that are collected by ears.