Which of the following is NOT true about the neuronal action potential? - PhysiologyWeb

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Physiology Test Question

Which of the following is NOT true about the neuronal action potential?

	(A) Action potentials are all-or-nothing.
	(B) Action potentials travel along axons in a non-decremental fashion.
	(C) The spike phase of the action potential is due to the opening of voltage-gated Na⁺ channels.
	(D) Repolarization and hyperpolarization are due to the activity of K⁺ channels.
	(E) All of the above are true about action potentials.

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Posted: Wednesday, July 16, 2014
Last updated: Thursday, July 10, 2014