Author Question: The PR interval begins at the first sign of the P wave and ends at the first sign of the next ... (Read 53 times)

biggirl4568 · **on:** Jul 2, 2018

The PR interval begins at the first sign of the P wave and ends at the first sign of the next deflection, which is called the:

A) T wave.
B) S wave.
C) PR segment.
D) QRS complex.

Question 2

The short period of electrical inactivity between the end of the P wave and the start of the QRS complex is called the:

A) P pause.
B) PR segment.
C) PR interval.
D) PR pause.