In a normal electrocardiogram, the
A) P wave results from repolarization of the atria.
B) QRS complex results from ventricular depolarization.
C) P wave occurs after the QRS complex but before the T wave.
D) T wave represents depolarization of the atria.
E) repolarization of the atria is clearly visible.

Question

Quizplus · Accepted Answer

The QRS complex in an electrocardiogram represents ventricular depolarization, which is the process of the ventricles preparing to contract and pump blood out of the heart.

In a Normal Electrocardiogram, the