After the Depolarisation Phase of an Action Potential, the Resting

question 59

Multiple Choice

After the depolarisation phase of an action potential, the resting potential is restored by ________.

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

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