The nurse is reviewing a normal electrocardiogram.The nurse assesses the PR interval because it represents:
A) Atrial depolarization
B) Ventricular depolarization
C) Onset of atrial activation to onset of ventricular activity
D) "Electrical systole" of the ventricles

Question

Quizplus · Accepted Answer

The PR interval represents the onset of atrial activation to the onset of ventricular activity.
The P wave represents atrial depolarization.
The QRS complex represents ventricular depolarization.
The QT interval represents "electrical systole" of the ventricles.

The Nurse Is Reviewing a Normal Electrocardiogram