Multiple Choice
In 2:1 AV block, the PR interval _____.
A) shortens
B) lengthens
C) is absent
D) remains constant
Correct Answer:

Verified
Correct Answer:
Verified
Q36: The ventricular rhythm is regular in second-degree
Q37: The QRS complex associated with a third-degree
Q38: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"
Q39: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"
Q40: Second-degree AV block type I is characterized
Q42: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"
Q43: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"
Q44: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"
Q45: An ECG rhythm strip shows a regular
Q46: Identify the following rhythm: _<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1372/.jpg"