If the permeability of a resting axon to sodium ion increases,
A) the membrane potential will depolarize.
B) outward movement of sodium ion will decrease.
C) inward movement of sodium ion will increase.
D) the membrane potential will hyperpolarize.
E) both A and C

Question

Quizplus · Accepted Answer

Increasing the permeability to sodium ions allows more sodium to enter the cell, leading to depolarization (A) and an increase in inward sodium movement (C).

If the Permeability of a Resting Axon to Sodium Ion