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11. Nervous Tissue and Nervous System - Part 2 of 2

11. Nervous Tissue and Nervous System / The Refractory Period / Problem 4

Which of the following describes the absolute refractory period?

A

It happens when the neuron is completely insensitive to a second stimulus.

B

This follows shortly after the firing of a nerve fiber.

C

It contains recovering sodium channels.

D

All of the above

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