Which of the following statements is true regarding the relative refractory period of the cardiac action potential?
A) During the relative refractory period, a stronger than normal stimulus is required to elicit a response.
B) The relative refractory period occurs during the rapid depolarization phase of the action potential.
C) The relative refractory period is shorter than the absolute refractory period.
D) During the relative refractory period, no stimulus can elicit a response.
