Hearing Loss Can Occur Due to a Lifetime of Exposing

question 24

Multiple Choice

Hearing loss can occur due to a lifetime of exposing oneself to loud noises.What is the best clinical explanation for hearing loss in an individual who worked in road construction for their entire career?

• A)Loud noises cause the fluid within the vestibular canal to exert more pressure and the basilar membrane to vibrate to a greater extent.This can lead to damage of the stereociliA.
• B)Loud noises cause the fluid within the vestibular canal to exert less pressure on the basilar membrane which causes it to vibrate to a lesser extent.This can lead to damage of the stereocilia.
• C)Loud noises cause the fluid within the vestibular canal to exert more pressure and the cochlear nerve to vibrate to a greater extent.This can lead to damage of the stereocilia.
• D)Loud noises cause the fluid within the vestibular canal to exert more pressure on the cochlear nerve.
• E)Loud noises cause the fluid within the vestibular canal to exert more pressure and the basilar membrane to vibrate to a greater extent.This can lead to damage of the tympanic membranE.

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Definitions:

Perfectly Competitive

A market structure characterized by many small firms, identical products, free entry and exit, and full information, leading to firms being price takers.

Marginal Cost

The additional cost incurred from making one more unit of a good or service.

Optimal-output

The level of production that maximizes a firm's profit, where marginal cost equals marginal revenue.

Break-even

The point at which cost or expenses and revenue are equal, resulting in neither profit nor loss.