What Causes the Membrane Potential to Return to the Normal

question 43

Multiple Choice

What causes the membrane potential to return to the normal negative value after an action potential has occurred?

• A)opening of a voltage-gated K+ channel
• B)opening of a voltage-gated Na+ channel
• C)closing of a voltage-gated K+ channel
• D)opening of a ligand-gated Na+ channel
• E)opening of a voltage-gated K+ facilitated transporter

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