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?

Question

Quizplus · Accepted Answer

With voltage change,potassium rushes into the cell.
Potassium,not sodium,rushes into the cell.
Potassium,not sodium,is involved in the process,and potassium moves into the cells,not out.
Potassium rushes into the cell,not out.

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