What happens during the rising phase of the action potential? A)P_K+ is much greater than P_Na+. B)P_Na+ is much greater than P_K+. C) P_K+ is the same as P_Na+.

Question

Quizplus · Accepted Answer

During the rising phase of the action potential, the influx of sodium ions (P_Na+) is much greater than the efflux of potassium ions (P_K+). This creates a positive charge inside the cell and leads to depolarization.

What Happens During the Rising Phase of the Action Potential