Problem:
Question: The purpose of the AV node delay is to
a. allow the atria and ventricles to depolarize and contract simulataneously.
b. allow the ventricles to depolarize and contract before the atria.
c. allow the atria to depolarize and contract before the ventricles and allow the ventricles to fill
d. allow the right side of the heart to depolarize and contract before the left side of the heart.
Give reasoning with your answer.