The bending of the hair cells stereocilla allows for an action potential to travel by the cranial nerve VIII to the temporal lobe of the brain so sound can be interpreted. True False
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Sound waves cause the hair cells in the inner ear to bend. This bending triggers an action potential. Show more…
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True or false: Hair cells in the spiral organ will depolarize or hyperpolarize, depending on the direction in which the stereocilia are bent
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Question 12 As you know, hair cells only generate receptor potentials oscillate in phase with the sound pressure wave. What description below would be the most likely explanation for the cellular mechanism that enables hair cells to precisely mimic the sound pressure wave? -rising phase depolarization is mediated by mechanically gated ion channels allowing for cation influx / falling phase repolarization is mediated cation efflux -The rising and falling phases are mediated by opening of voltage-gated cation channels -The rising and falling phases are mediate by opening of mechanically gated cation followed by anion channels -rising phase depolarization is mediated by voltage-gated ion channels // falling phase repolarization is mediated by mechanically gated cation channels Question 13 Antibiotics can cause hearing loss by killing hair cells. True False
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