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Action Potentials

Action Potentials

11. Nervous Tissue and Nervous System / Action Potentials / Problem 1

How does high concentration of potassium in the extracellular fluid affect the potential gradient across the cell membrane?

ANSWERS OPTIONS

A

Makes the resting membrane potential more negative.

B

Makes the resting membrane potential more positive.

C

Increases the magnitude of the action potential.

D

Speeds up the repolarization of the cell membrane.

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