The PR interval is considered normal if it is between:
A) 0.04 and 0.08 seconds.
B) 0.12 and 0.20 seconds.
C) 0.20 and 0.24 seconds.
D) 0.02 and 0.12 seconds.

Question

Quizplus · Accepted Answer

The PR interval represents the time it takes for an electrical impulse to travel from the sinoatrial node (SA node) through the atria to the atrioventricular node (AV node). A normal PR interval ranges from 0.12 to 0.20 seconds. Therefore, choice B is the correct answer.

The PR Interval Is Considered Normal If It Is Between