When a neuron is activated by a threshold stimulation, _________ channels open, which allows these ions to quickly
A)sodium ion; diffuse into the neuron.
B)sodium ion; diffuse out of the neuron.
C)potassium ion; diffuse into the neuron.
D)potassium ion; diffuse out of the neuron.

Question

Quizplus · Accepted Answer

When a neuron is activated by a threshold stimulation, sodium ion channels open, which allows these ions to quickly diffuse into the neuron. This influx of positive charge leads to the depolarization of the neuron and generation of an action potential.

When a Neuron Is Activated by a Threshold Stimulation, _________