Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 50, Problem 5TYU
The transduction of sound waves into action potentials occurs
(A) in the tectorial membrane as it is stimulated by hair cells.
(B) when hair cells are bent against the tectorial membrane, causing them to depolarize and release neurotransmitter that stimulates sensory neurons.
(C) as the basilar membrane vibrates at different frequencies in response to the varying volume of sounds.
(D) within the middle ear as the vibrations are amplified by the malleus, incus, and stapes.
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The transduction of sound waves into action potentials occurs(A) in the tectorial membrane as it is stimulated by hair cells.(B) when hair cells are bent against the tectorial membrane,causing them to depolarize and release neurotransmitterthat stimulates sensory neurons.(C) as the basilar membrane vibrates at different frequenciesin response to the varying volume of sounds.(D) within the middle ear as the vibrations are amplified by themalleus, incus, and stapes
(a) choose one part of the auditory conductive mechanism--the outer ear or middle ear--and describe how sound is transduced (changed from acoustic energy to mechanical energy) through that part of the auditory system, and
(b) comment on how the anatomy of that part of the ear enables normal auditory conductive physiology.
The transmission of sound vibrations through the internal ear occurs chiefly through (a) nerve fibers, (b) air, (c) fluid, (d) bone.
Chapter 50 Solutions
Bio 121 Campbell Biology Truman College
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