Question 1

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 B

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

A)  a constant PR interval. 
B)  a regular R to R interval. 
C)  a faster rate. 
D)  no QRS. 
A)  a constant PR interval. 
B)  a regular R to R interval. 
C)  a faster rate. 
D)  no QRS.

Question 5

With first-degree AV block:

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

AV dissociation is associated with the ________ degree block.

Accepted Answer

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

Question 8

Heart blocks are:

Accepted Answer

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

Question 9

A Mobitz type II may present as the appearance of two P waves per QRS,three P waves per QRS,or four P waves per QRS.

Accepted Answer

A) True 
 B)False

Question 10

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

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

With second-degree block,type II:

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

The PR interval in Mobitz type II is constant,or regular,for every conducted beat.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

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

Question 17

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 18

Second-degree block is also known as:

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

This rhythm has a complete block at or below the AV node and there is no relationship between the P waves and the 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

Which of the following blocks is most often irregular?

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

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

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

With first-degree AV block:

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

AV dissociation is associated with the ________ degree block.

Heart blocks are:

A Mobitz type II may present as the appearance of two P waves per QRS,three P waves per QRS,or four P waves per QRS.

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

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

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

With second-degree block,type II:

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

The PR interval in Mobitz type II is constant,or regular,for every conducted beat.

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

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

Second-degree block is also known as:

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

This rhythm has a complete block at or below the AV node and there is no relationship between the P waves and the QRS complex.

The Anatomy of the Heart Structure

Cardio Vascular 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

Which of the following blocks is most often irregular?

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

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

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

With first-degree AV block:

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

AV dissociation is associated with the ________ degree block.

Heart blocks are:

A Mobitz type II may present as the appearance of two P waves per QRS,three P waves per QRS,or four P waves per QRS.

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

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

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

With second-degree block,type II:

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

The PR interval in Mobitz type II is constant,or regular,for every conducted beat.

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

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

Second-degree block is also known as:

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

This rhythm has a complete block at or below the AV node and there is no relationship between the P waves and the QRS complex.

The Anatomy of the Heart Structure

Cardio Vascular 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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