A nerve cell membrane becomes depolarized as a result of
A)Ca⁺² leaving the nerve cell.
B)Na⁺ ion channels being opened and Na⁺ ions diffusing into the cell.
C)the relative ease with which K⁺ diffuses into the nerve cell.
D)Na⁺ being prevented from passing through the membrane.

Question

Quizplus · Accepted Answer

When Na⁺ ion channels open, Na⁺ ions diffuse into the cell, causing the membrane to become depolarized.

A Nerve Cell Membrane Becomes Depolarized as a Result of