Question 1

In third-degree AV block,_____ sinus impulses get through to the ventricles.

Accepted Answer

The answer of In third-degree AV block,_____ sinus impulses get...

Question 2

In first-degree AV block,the site of the block is the

Accepted Answer

A)  Sinus node.
B)  AV node.
C)  Interatrial tracts.
D)  Bundle branches.E) B) and D)
F) A) and C)

Question 3

All AV blocks involve a disturbance in conduction somewhere between the atria and the ventricles.

Accepted Answer

A) True 
 B)False

Question 4

In AV blocks,the P-P interval is

Accepted Answer

A)  Regular.
B)  Irregular.
C)  Absent.
D)  The same as the R-R interval.E) A) and B)
F) None of the above A

Question 5

The origin of the P waves in AV blocks is the _____.

Accepted Answer

The answer of The origin of the P waves in...

Question 6

Wenckebach usually does not need treatment.

Accepted Answer

A) True 
 B)False  True

Question 7

Mobitz II second-degree AV block involves a block at either the AV node or the _____.

Accepted Answer

The answer of Mobitz II second-degree AV block involves a...

Question 8

The PR interval in Figure 18

Accepted Answer

A)  Is constant.
B)  Varies.
C)  Is about 0.12 seconds.
D)  Is about 0.20 seconds.E) C) and D)
F) B) and C)

Question 9

First-degree AV block is characterized by a prolonged QRS interval.

Accepted Answer

A) True 
 B)False

Question 10

What kind of symptoms does first-degree AV block cause? _____.

Accepted Answer

The answer of What kind of symptoms does first-degree AV...

Question 11

In AV blocks,the underlying rhythm is _____.

Accepted Answer

The answer of In AV blocks,the underlying rhythm is _____....

Question 12

Treatment for third-degree AV block usually includes

Accepted Answer

A)  Digitalis.
B)  Lidocaine.
C)  Amiodarone.
D)  Pacemaker.E) B) and C)
F) All of the above

Question 13

In third-degree AV block,if the block is at the AV node,

Accepted Answer

A)  The QRS will be wide and bizarre.
B)  The P waves will be tall and pointy.
C)  The QRS will be narrow.
D)  There will be no P waves.E) A) and B)
F) B) and D)

Question 14

2:1 AV block is characterized by two P waves to every QRS.

Accepted Answer

A) True 
 B)False

Question 15

In third-degree AV block,none of the sinus impulses get through to the ventricles.

Accepted Answer

A) True 
 B)False  True

Question 16

The AV blocks with a constant PR interval are

Accepted Answer

A)  First-degree AV block and Wenckebach.
B)  Wenckebach and third-degree AV block.
C)  First-degree AV block and Mobitz II second-degree AV block.
D)  First-degree AV block and third-degree AV block.E) B) and C)
F) None of the above

Question 17

Pacemakers are typically used for Mobitz II second-degree AV block and third-degree AV block.

Accepted Answer

A) True 
 B)False

Question 18

Wenckebach is also known as _____.

Accepted Answer

Type I sec...

Question 19

Treatment for first-degree AV block involves

Accepted Answer

A)  Atropine.
B)  Digitalis.
C)  Electrical shock to the heart.
D)  Removing the cause.E) A) and D)
F) None of the above

Question 20

Complete heart block is another name for

Accepted Answer

A)  Wenckebach.
B)  Mobitz II second-degree AV block.
C)  Third-degree AV block.
D)  First-degree AV block.E) B) and D)
F) None of the above

Exam 11: Av Blocks

In third-degree AV block,_____ sinus impulses get through to the ventricles.

Correct AnswerverifiedShow Answer

In first-degree AV block,the site of the block is the

Correct AnswerverifiedShow Answer

All AV blocks involve a disturbance in conduction somewhere between the atria and the ventricles.

Correct AnswerverifiedShow Answer

In AV blocks,the P-P interval is

Correct AnswerverifiedA

The origin of the P waves in AV blocks is the _____.

Correct AnswerverifiedShow Answer

Wenckebach usually does not need treatment.

Correct AnswerverifiedTrue

Mobitz II second-degree AV block involves a block at either the AV node or the _____.

Correct AnswerverifiedShow Answer

The PR interval in Figure 18

Correct AnswerverifiedShow Answer

First-degree AV block is characterized by a prolonged QRS interval.

Correct AnswerverifiedShow Answer

What kind of symptoms does first-degree AV block cause? _____.

Correct AnswerverifiedShow Answer

In AV blocks,the underlying rhythm is _____.

Correct AnswerverifiedShow Answer

Treatment for third-degree AV block usually includes

Correct AnswerverifiedShow Answer

In third-degree AV block,if the block is at the AV node,

Correct AnswerverifiedShow Answer

2:1 AV block is characterized by two P waves to every QRS.

Correct AnswerverifiedShow Answer

In third-degree AV block,none of the sinus impulses get through to the ventricles.

Correct AnswerverifiedTrue

The AV blocks with a constant PR interval are

Correct AnswerverifiedShow Answer

Pacemakers are typically used for Mobitz II second-degree AV block and third-degree AV block.

Correct AnswerverifiedShow Answer

Wenckebach is also known as _____.

Correct AnswerverifiedType I sec...View AnswerShow Answer

Treatment for first-degree AV block involves

Correct AnswerverifiedShow Answer

Complete heart block is another name for

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Type I sec...
View Answer

Correct Answer
verified

Correct Answer
verified