A Cell Is Isolated,and Electrophysiology Studies Reveal That the Resting

A cell is isolated,and electrophysiology studies reveal that the resting membrane potential is -70 millivolts.The predominant intracellular ion is Na⁺,and the predominant extracellular ion is K⁺.With voltage change,which of the following would result in an action potential?

A) K⁺ rushing into the cell
B) Na⁺ rushing into the cell
C) Na⁺ rushing out of the cell
D) K⁺ rushing out of the cell

Correct Answer:

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