A neuron recharges when Na⁺ ions
A) are actively pumped against their concentration gradient.
B) spontaneously move down their concentration gradient.
C) spontaneously move against their concentration gradient.
D) are actively pumped down their concentration gradient.

Question

Quizplus · Accepted Answer

Neurons take potassium ions into themselves and eject sodium when recharging after transmitting a message.

A Neuron Recharges When Na⁺ Ions