Which of the following is NOT true about the absolute refractory period? - PhysiologyWeb

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Physiology Test Question

Which of the following is NOT true about the absolute refractory period?

	(A) Na⁺ channel inactivation is responsible for the absolute refractory period.
	(B) The absolute refractory period is the time during which another stimulus given to the cell (no matter how strong) will not lead to a second action potential.
	(C) In typical neurons, the absolute refractory period takes about 5 ms.
	(D) The molecular basis of the absolute refractory period is described by the ball-and-chain model.
	(E) All of the above are true about the absolute refractory period.

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