When a neuron's plasma membrane 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 a neuron's plasma membrane becomes more permeable to potassium, potassium ions move down their concentration gradient from inside the cell to outside the cell, resulting in the exit of potassium ions from the cell.

When a Neuron's Plasma Membrane Becomes More Permeable to Potassium