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    Exam 39: The Nervous System
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    During the Repolarization Phase of an Action Potential, the Membrane
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During the Repolarization Phase of an Action Potential, the Membrane

Question 39

Question 39

Multiple Choice

During the repolarization phase of an action potential, the membrane potential falls from +60 to - 70 mV. This drop is due mostly to the movement of _ ions.


A) calcium
B) sodium
C) potassium
D) hydrogen
E) chloride

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