In a Normal Electrocardiogram (ECG or EKG)

Multiple Choice

In a normal electrocardiogram (ECG or EKG) ,

A) the P wave results from repolarization of the atria.
B) the QRS complex results from depolarization of the ventricles.
C) the T wave represents repolarization of the ventricles.
D) during the P-R interval, the ventricles contract.
E) Both the QRS complex results from depolarization of the ventricles and the T wave represents repolarization of the ventricles are correct relationships.