Grandpa can't ever seem to hear what his little granddaughters say. He also can't hear that high-pitched whine in the Subaru engine that everyone else seems to hear. You suspect that grandpa has too much ear wax built up in his external auditory canal, and therefore has developed conduction deafness has damage to the vestibulocochlear nerve has damaged either the utricle or the saccule, though it will be hard to tell which one without further testing has damaged the hair cells closest to the oval window has "selective" hearing loss, because the granddaughters are always trying to get him to play with them when he's tired, and he doesn't want to work on that darned car anymore either.

The ear is a complex sensory organ that is responsible for both hearing and balance. Sound waves…

Answered: Grandpa can't ever seem to hear what…

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter14: Sensory Systems

Section: Chapter Questions

Problem 3CT: Jill is diagnosed with sensorineural deafness, a disorder in which sound waves are transmitted...

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Grandpa can't ever seem to hear what his little granddaughters say. He also can't hear that high-pitched whine in the Subaru engine that everyone else seems to hear. You suspect that grandpa

		has too much ear wax built up in his external auditory canal, and therefore has developed conduction deafness
		has damage to the vestibulocochlear nerve
		has damaged either the utricle or the saccule, though it will be hard to tell which one without further testing
		has damaged the hair cells closest to the oval window
		has "selective" hearing loss, because the granddaughters are always trying to get him to play with them when he's tired, and he doesn't want to work on that darned car anymore either.

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