After the Depolarization Phase of an Action Potential,the Resting Potential

question 21

Multiple Choice

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

• A)the opening of voltage-gated sodium channels.
• 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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