Why Do Action Potentials Only Travel Down the Axon and Not

question 94

Multiple Choice

Why do action potentials only travel down the axon and not the other direction?

• A) An area where an action potential just occurred is still in a refractory period.
• B) Resting potentials change with direction of the nerve impulse.
• C) Sodium-potassium pumps only act in one direction.
• D) Actions potential do not cause depolarization.

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