Author Question: In First Degree Heart Block, the PR interval is ________ sec. A) less than 0.12 B) 0.12-0.16 C) ... (Read 223 times)

bobypop · **on:** Jul 2, 2018

In First Degree Heart Block, the PR interval is ________ sec.

A) less than 0.12
B) 0.12-0.16
C) 0.16-0.20
D) greater than 0.20

Question 2

In First Degree Heart Block, conduction through the AV node is:

A) prolonged on every beat.
B) blocked completely.
C) conducted only intermittently.
D) normal on every beat.