Physiology Membrane Potentials and Action Potentials 51f2ced1

The hyperpolarization phase of the action potential is due to?

Opening of voltage-gated Cl- channels

Prolonged opening of voltage-gated K+ channels

Closure of resting Na-t- channels

Closure of Cl- channels

High-Yield Explanation

ANSWER: (B) Prolonged opening of voltage-gated K+ channelsREF: Guyton's physiology 12th ed page 61, BRS physiology 4th ed page 11See Physiology 2013 Session 2 for "IONIC BASIS OF NERVE ACTION POTENTIAL"

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The hyperpolarization phase of the action potential is due to?

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