The depolarization of the cell membrane produced when the threshold is reached results in which of the following?
A)Sodium ions entering the axon 500 times faster than normal
B)Potassium ions exiting the axon 500 times faster than normal
C)Sodium ions entering the axon 1,000 times faster than normal
D)Sodium ions entering the axon 700 times faster than normal

Question

Quizplus · Accepted Answer

When the threshold is reached, voltage-gated sodium channels open, allowing sodium ions to enter the axon much faster than normal, specifically around 500 times faster, leading to depolarization of the cell membrane.

The Depolarization of the Cell Membrane Produced When the Threshold