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.