Question 1

A prolonged PR interval is the hallmark of ________ degree block and is most commonly the only variation in the EKG strip.

Accepted Answer

A)  first- 
B)  second- 
C)  third- 
D)  fourth-

Question 2

This rhythm is not a true block; there is a delay at the AV node,and each impulse is eventually conducted.

Accepted Answer

A)  First degree 
B)  Second degree type I 
C)  Second degree type II 
D)  Third degree

Question 3

The other characteristic in second-degree type I block is that the impulse is not conducted and the ________ is dropped.

Accepted Answer

A)  QRS 
B)  ST 
C)  PVC 
D)  AED

Exam 11: Introducing the Heart Block Rhythms

A prolonged PR interval is the hallmark of ________ degree block and is most commonly the only variation in the EKG strip.