Which wave pattern of an electrocardiogram represents the return of the ventricles to the electrical state that preceded contraction?
A) P
B) T
C) QRS
D) R
E) S

Question

Quizplus · Accepted Answer

The T wave represents the repolarization of the ventricles, which is the return of the ventricles to the electrical state that preceded contraction. The P wave represents atrial depolarization, the QRS complex represents ventricular depolarization and the R and S waves are part of the QRS complex.

Which Wave Pattern of an Electrocardiogram Represents the Return of the Ventricles