In a neuron, where is the greatest concentration of voltage -gated sodium and voltage -gated potassium channels?
A) axon
B) soma
C) axon terminal
D) axon hillock
E) dendrites

Question

Quizplus · Accepted Answer

The axon hillock has the greatest concentration of voltage-gated sodium and potassium channels, which are crucial for the initiation of action potentials. This area acts as a critical threshold zone for the neuron to "decide" whether or not to fire an action potential.

In a Neuron, Where Is the Greatest Concentration of Voltage