Which of the following occurs when voltage-gated Na⁺ channels have just closed in a neuron?
A)The membrane becomes less polarized than when at rest.
B)The membrane becomes more polarized than when at rest.
C)The membrane becomes polarized to the same degree as when at rest.
D)The membrane becomes hyperpolarized.

Question

Quizplus · Accepted Answer

When voltage-gated Na⁺ channels have just closed in a neuron, the membrane becomes less polarized than when at rest. This is because the influx of Na⁺ ions during the action potential has made the inside of the neuron more positive.

Which of the Following Occurs When Voltage-Gated Na⁺ Channels Have