The Relative Refractory Period Occurs After the Action Potential Is

Multiple Choice

The relative refractory period occurs after the action potential is complete because of the

A) lingering inactivation of the voltage-gated Na⁺ channels
B) slowness of the voltage-gated K⁺ channels
C) action of the sodium-potassium pumps
D) lingering inactivation of the voltage-gated Na⁺ channels and slowness of the voltage-gated K⁺ channels
E) slowness of the voltage-gated K⁺ channels and action of the sodium-potassium pumps