Question

which of the following does not occur when neurons are stimulated? group of answer choices recovery involves the movement of na out of the cell and k into the cell, resulting in the membrane regaining its resting potential. local depolarization results from the opening of na ion channels allowing na to exit the cell. depolarization stimulates the opening of ion-gated k channels, resulting in repolarization. na ion channels open in response to the change in membrane potential, resulting in momentary local depolarization of the membrane.

Answer 1

Local depolarization results from the opening of Na ion channels allowing Na to exit the cell.

What is depolarization?

The membrane potential depolarizes when it gets less negative (more positive)

Depolarization, a sudden rise in potential, occurs all-or-nothing in neurons and is brought on by the opening of sodium ion channels in the plasma membrane. Repolarization, the ensuing restoration to the resting potential, is mediated by the opening of potassium ion channels.

The gated sodium ion channels on the membrane of the neuron rapidly open during the depolarization phase, allowing sodium ions (Na+) that are present outside the membrane to rush into the cell. The intrinsic charge of the neuron decreases from -70 mV to -55 mV when the sodium ions swiftly enter the cell.

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