Jefferson Has Had Years of Exposure to High-Amplitude Sound Through

question 98

Multiple Choice

Jefferson has had years of exposure to high-amplitude sound through his work as a helicopter mechanic.Lately he has noticed that he is losing his ability to detect high-frequency sounds.What has Jefferson most likely damaged

• A) his eardrum 
• B) the tiny bones of his middle ear 
• C) his cochlea 
• D) his auditory canal

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Definitions:

Middle Ear

The middle ear is the part of the ear located between the eardrum and the inner ear, containing three bones known as the ossicles that transmit sound vibrations.

Bones

Rigid organs that constitute part of the endoskeleton of vertebrates, providing structure, protecting organs, and facilitating movement.

Sound Waves

Waves of sound that propagate through air or other materials, perceived when they make contact with an individual's or an animal's ear.

Amplitude

In physics, it is the maximum extent of a vibration or oscillation, measured from the position of equilibrium.