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.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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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