The swaying of stereocilia in response to sound waves results in an influx of _______ at the base of the hair cell, leading to neurotransmitter release.

Question

Quizplus · Accepted Answer

The influx of calcium ions (Ca2+) at the base of the hair cell is necessary for neurotransmitter release, which occurs at the synapse between the hair cell and auditory nerve fibers. Therefore, option D, which includes Ca2+ in its answer choice, is the correct choice. Option A (Na+), option B (K+), and option C (Cl-) are not involved in neurotransmitter release at the hair cell synapse.

The Swaying of Stereocilia in Response to Sound Waves Results