Which One of the Following Happens During Repolarization of a Neuron

question 78

Multiple Choice

Which one of the following happens during repolarization of a neuron?

• A) Sodium channels close, and potassium rushes out of the cell to temporarily reestablish the membrane potential.
• B) Potassium channels close, preventing further loss of positive ions.
• C) The sodium-potassium pump is turned off.
• D) Sodium channels open to allow sodium ions to rush back out of the cell.
• E) The membrane potential is eliminated.

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