After the Depolarization Phase of an Action Potential, the Resting

question 19

Multiple Choice

After the depolarization phase of an action potential, the resting potential is restored by

• A) the opening of sodium activation gates.
• B) the opening of voltage-gated potassium channels and the closing of sodium channels.
• C) a decrease in the membrane's permeability to potassium and chloride ions.
• D) a brief inhibition of the sodium-potassium pump.
• E) the opening of more voltage-gated sodium channels.

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