Which of These Lists the Events of an Action Potential

question 45

Multiple Choice

Which of these lists the events of an action potential in the correct order?

• A) Na+ gates open→inside of axon becomes positive→Na+ gates close→K+ gates open→inside of axon becomes negative
• B) K+ gates open→inside of axon becomes positive→K+ gates close→Na+ gates open→inside of axon becomes negative
• C) K+ gates open→inside of axon becomes negative→K+ gates close→Na+ gates open→inside of axon becomes positive
• D) Na+ gates open→inside of axon becomes negative→Na+ gates close→K+ gates open→inside of axon becomes positive
• E) Na+ gates open→inside of axon becomes positive→K+ gates close→Na+ gates open→inside of axon becomes negative

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