Which of the Following Statements About the Action Potential Is

question 93

Multiple Choice

Which of the following statements about the action potential is false?

• A)The rapid depolarization phase is caused by the entry of potassium ions.
• B)During the repolarization phase,sodium channels close and potassium channels open.
• C)During the depolarization phase,membrane potential becomes positive.
• D)In the after-hyperpolarization phase,membrane potential approaches the potassium equilibrium potential.
• E)Repolarization occurs as potassium ions leave the axon.