Question 1

The most usual form of block results from excessive conduction delay in the AV node and is termed:

Accepted Answer

A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block. 
A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block. A

Question 2

The second-degree block, type II, represents a complete block of:

Accepted Answer

A)  one of the bundle branches and a partial block of the other branch. 
B)  both of the bundle branches and partial block of the bundle of His. 
C)  all of the intranodal pathways and the AV node. 
D)  the AV node as well as a partial block of the SA node. 
A)  one of the bundle branches and a partial block of the other branch. 
B)  both of the bundle branches and partial block of the bundle of His. 
C)  all of the intranodal pathways and the AV node. 
D)  the AV node as well as a partial block of the SA node. A

Question 3

Wenckebach differs from complete heart block in that complete heart block usually has:

Accepted Answer

A)  a faster rate. 
B)  no QRS. 
C)  a constant PR interval. 
D)  a regular R to R interval. 
E)  None of the above 
A)  a faster rate. 
B)  no QRS. 
C)  a constant PR interval. 
D)  a regular R to R interval. 
E)  None of the above D

Question 4

The treatment for a patient with a third-degree block and that is hemodynamically unstable is:

Accepted Answer

A)  synchronized cardioversion. 
B)  transcutaneous pacing. 
C)  defibrillation. 
D)  endotracheal intubation. 
A)  synchronized cardioversion. 
B)  transcutaneous pacing. 
C)  defibrillation. 
D)  endotracheal intubation.

Question 5

All the parameters with a first-degree block are within normal limits EXCEPT:

Accepted Answer

A)  heart rate. 
B)  rhythm. 
C)  PR interval. 
D)  QRS interval. 
A)  heart rate. 
B)  rhythm. 
C)  PR interval. 
D)  QRS interval.

Question 6

Heart blocks are:

Accepted Answer

A)  early ectopic beats that originate outside the SA node. 
B)  partial delay or complete interruptions in the cardiac conduction pathway between the atria and ventricles. 
C)  a shifting of the pacemaker site between the SA node, atria, and/or AV junction. 
D)  the result of accessory conduction pathways between the atria and ventricles. 
A)  early ectopic beats that originate outside the SA node. 
B)  partial delay or complete interruptions in the cardiac conduction pathway between the atria and ventricles. 
C)  a shifting of the pacemaker site between the SA node, atria, and/or AV junction. 
D)  the result of accessory conduction pathways between the atria and ventricles.

Question 7

Second-degree block is also known as:

Accepted Answer

A)  Mobitz type 4. 
B)  Mobitz type 5. 
C)  Mobitz type 1. 
D)  Mobitz type 3. 
A)  Mobitz type 4. 
B)  Mobitz type 5. 
C)  Mobitz type 1. 
D)  Mobitz type 3.

Question 8

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

Question 9

The heart block rhythm that most closely resembles a normal sinus rhythm is a:

Accepted Answer

A)  third-degree block. 
B)  first-degree block. 
C)  second-degree block, type I. 
D)  second-degree block, type II. 
A)  third-degree block. 
B)  first-degree block. 
C)  second-degree block, type I. 
D)  second-degree block, type II.

Question 10

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

Question 11

AV dissociation is associated with the ________ degree block.

Accepted Answer

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

Question 12

An EKG rhythm that has no correlation between the P waves and the QRS complexes is:

Accepted Answer

A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block. 
A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block.

Question 13

With a second-degree block, type I, the PR intervals:

Accepted Answer

A)  get progressively shorter. 
B)  get progressively longer. 
C)  are all the same at 0.20. 
D)  are all inverted. 
A)  get progressively shorter. 
B)  get progressively longer. 
C)  are all the same at 0.20. 
D)  are all inverted.

Question 14

This rhythm has a PR interval that gets progressively longer until a P wave fails to conduct, resulting in a dropped QRS complex.

Accepted Answer

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

Question 15

The rhythm that occurs when there is an intermittent interruption in the electrical conduction system near or below the AV Junction is:

Accepted Answer

A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block. 
A)  first-degree block. 
B)  second-degree block type I. 
C)  second-degree block type II. 
D)  third-degree block.

Question 16

With first-degree AV block:

Accepted Answer

A)  the PR intervals are less than 0.20 seconds. 
B)  the P waves are inverted. 
C)  the PR intervals are greater than 0.20 seconds. 
D)  not all the P waves are followed by a QRS. 
A)  the PR intervals are less than 0.20 seconds. 
B)  the P waves are inverted. 
C)  the PR intervals are greater than 0.20 seconds. 
D)  not all the P waves are followed by a QRS.

Question 17

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

Question 18

With second-degree block, type II:

Accepted Answer

A)  the P waves are all inverted. 
B)  a QRS complex follows each P wave. 
C)  the pacemaker site is in the AV junction. 
D)  the ventricular rate is less than the atrial rate. 
A)  the P waves are all inverted. 
B)  a QRS complex follows each P wave. 
C)  the pacemaker site is in the AV junction. 
D)  the ventricular rate is less than the atrial rate.

Question 19

Which of the following blocks is most often irregular?

Accepted Answer

A)  First degree 
B)  Second degree type II 
C)  Third degree 
D)  All of the above 
A)  First degree 
B)  Second degree type II 
C)  Third degree 
D)  All of the above

Question 20

The second-degree type I heart block is also known as the:

Accepted Answer

A)  Beasley phenomenon. 
B)  His phenomenon. 
C)  Purkinje phenomenon. 
D)  Wenckebach phenomenon. 
A)  Beasley phenomenon. 
B)  His phenomenon. 
C)  Purkinje phenomenon. 
D)  Wenckebach phenomenon.

The most usual form of block results from excessive conduction delay in the AV node and is termed:

The second-degree block, type II, represents a complete block of:

Wenckebach differs from complete heart block in that complete heart block usually has:

The treatment for a patient with a third-degree block and that is hemodynamically unstable is:

All the parameters with a first-degree block are within normal limits EXCEPT:

Heart blocks are:

Second-degree block is also known as:

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

The heart block rhythm that most closely resembles a normal sinus rhythm is a:

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

AV dissociation is associated with the ________ degree block.

An EKG rhythm that has no correlation between the P waves and the QRS complexes is:

With a second-degree block, type I, the PR intervals:

This rhythm has a PR interval that gets progressively longer until a P wave fails to conduct, resulting in a dropped QRS complex.

The rhythm that occurs when there is an intermittent interruption in the electrical conduction system near or below the AV Junction is:

With first-degree AV block:

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

With second-degree block, type II:

Which of the following blocks is most often irregular?

The second-degree type I heart block is also known as the:

The Anatomy of the Heart: Structure

Cardiovascular Physiology: Function

Basic Electrophysiology

The Electrical Conduction System

The Electrocardiogram

Interpretation of an Ekg Strips

Introducing the Sinus Rhythms

Introducing the Atrial Rhythms

Introducing the Junctional Rhythms

Introducing the Ventricular Rhythms

Introducing the Pacemaker Rhythms

Assessment and Treatment of the Patient With Cardiac Emergencies

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Exam 11: Introducing the Heart Block Rhythms

The most usual form of block results from excessive conduction delay in the AV node and is termed:

The second-degree block, type II, represents a complete block of:

Wenckebach differs from complete heart block in that complete heart block usually has:

The treatment for a patient with a third-degree block and that is hemodynamically unstable is:

All the parameters with a first-degree block are within normal limits EXCEPT:

Heart blocks are:

Second-degree block is also known as:

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

The heart block rhythm that most closely resembles a normal sinus rhythm is a:

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

AV dissociation is associated with the ________ degree block.

An EKG rhythm that has no correlation between the P waves and the QRS complexes is:

With a second-degree block, type I, the PR intervals:

This rhythm has a PR interval that gets progressively longer until a P wave fails to conduct, resulting in a dropped QRS complex.

The rhythm that occurs when there is an intermittent interruption in the electrical conduction system near or below the AV Junction is:

With first-degree AV block:

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

With second-degree block, type II:

Which of the following blocks is most often irregular?

The second-degree type I heart block is also known as the:

The Anatomy of the Heart: Structure

Cardiovascular Physiology: Function

Basic Electrophysiology

The Electrical Conduction System

The Electrocardiogram

Interpretation of an Ekg Strips

Introducing the Sinus Rhythms

Introducing the Atrial Rhythms

Introducing the Junctional Rhythms

Introducing the Ventricular Rhythms

Introducing the Pacemaker Rhythms

Assessment and Treatment of the Patient With Cardiac Emergencies

Filters