Action Potentials Are All-Or-None and Self-Regenerating Events

question 90

Multiple Choice

Action potentials are all-or-none and self-regenerating events.These two properties contribute to which characteristic of action potentials?

• A) Each action potential will contribute to further membrane depolarization.
• B) Action potentials can travel faster in smaller axons.
• C) The activation and inactivation gates on Na⁺ channels open simultaneously.
• D) Action potentials are conducted without any loss of signal strength.
• E) Depolarization of the membrane causes voltage-gated Na⁺ channels to close, depolarizing the membrane even more.

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