What happens to the interior of a cell during the upstroke phase of an action potential?

Show Answers

Overall current flows outward from the cellThe inside of the cell becomes more negatively chargedThe inside of the cell becomes less negatively chargedNone of these options apply

Explanation

During the upstroke of an action potential, the cell membrane depolarizes, causing the interior to become less negative as positive ions enter the cell. This results in a reduction of the negative charge inside the cell.