When threshold potential is reached, ____. A) the activation gates of Na⁺channels open B) the inactivation gates of Na⁺channels open C) the activation gates of K⁺channels open D) Na⁺/K⁺active transport pumps are activated

Question

Quizplus · Accepted Answer

When the threshold potential is reached, the activation gates of Na+ channels open, allowing Na+ ions to rush into the neuron, initiating the depolarization phase of the action potential.

When Threshold Potential Is Reached, ____