What happens when the plasma membrane of a neuron becomes more permeable to potassium?
A) Potassium leaves the cell.
B) Potassium enters the cell.
C) Sodium enters the cell.
D) Sodium leaves the cell.

Question

Quizplus · Accepted Answer

When the plasma membrane of a neuron becomes more permeable to potassium, potassium ions tend to move out of the cell, following their concentration gradient from a region of higher concentration inside the cell to a lower concentration outside the cell.

What Happens When the Plasma Membrane of a Neuron Becomes