Which of the Following Is TRUE Regarding Action Potentials

question 130

Multiple Choice

Which of the following is TRUE regarding action potentials?

• A)Partial action potentials result in fewer neurotransmitter molecules being released than whole action potentials.
• B)Action potentials operate under the "all-or-none law," which means that action potentials either move all sodium ions across the membrane or none of the sodium ions across the membrane.
• C)Once an action potential is started, it is self-sustaining and continues to the end of the axon.
• D)Action potentials regenerate themselves during their refractory periods when the axon membrane is depolarized.

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