Where are the sodium channels that trigger an action potential located?
A) axon dendrite
B) axon hillock
C) axon terminal
D) axon cell body

Question

Quizplus · Accepted Answer

The sodium channels that trigger an action potential are primarily located in the axon hillock, the region where the axon originates from the cell body. This is because the axon hillock has a high density of voltage-gated sodium channels that are necessary for the initiation of an action potential. While sodium channels may be present in other regions of the neuron, such as the axon and dendrites, they are not as abundant or as critical for generating action potentials.

Where Are the Sodium Channels That Trigger an Action Potential