Question 1

A junctional escape rhythm occurs because of _____.

Accepted Answer

A)   severe chronic obstructive pulmonary disease
B)   multiple irritable sites firing within the AV junction
C)   slowing of the rate of the heart's primary pacemaker
D)   intrathoracic pressure changes associated with the normal respiratory cycleE) None of the above
F) B) and D)

Question 2

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus tachycardia at...

Question 3

Identify the following rhythm (lead II): ____________________

Accepted Answer

Accelerate...

Question 4

Identify the following rhythm: ____________________

Accepted Answer

Accelerated junction...

Question 5

If seen,the P wave of a rhythm originating in the AV junction will appear _____ in lead II.

Accepted Answer

A)   upright
B)   inverted
C)   tall and peaked
D)   wide and notchedE) A) and D)
F) C) and D)

Question 6

Identify the following rhythm: ____________________

Accepted Answer

Junctional rhythm at...

Question 7

Identify the following rhythm: ____________________

Accepted Answer

Sinus rhythm at 63 b...

Question 8

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial and ventricular depolarization occur simultaneously?

Accepted Answer

A)   Before the QRS complex
B)   During the QRS complex
C)   After the QRS complexD) None of the above
E) A) and B)

Question 9

If the AV junction paces the heart,the electrical impulse must travel in a backward direction to activate the atria.This is called _____ conduction.

Accepted Answer

The answer of If the AV junction paces the heart,the...

Question 10

A beat originating from the AV junction that appears later than the next expected sinus beat is called a _____.

Accepted Answer

A)   junctional escape beat
B)   period of SA block
C)   premature junctional complex (PJ
C)  
D)   premature atrial complex (PA
C)  E) None of the above
F) C) and D)

Question 11

The pacemaker cells in the AV junction are located near the nonbranching portion of the bundle of His.

Accepted Answer

A) True 
 B)False

Question 12

Identify the following rhythm (lead II) .

Accepted Answer

A)   Junctional tachycardia
B)   Sinus rhythm with PACs
C)   Sinus rhythm with PJCs
D)   Accelerated junctional rhythmE) None of the above
F) B) and C)

Question 13

A(n)_____ pause often follows a PJC and represents the delay during which the SA node resets its rhythm for the next beat.

Accepted Answer

The answer of A(n)_____ pause often follows a PJC and...

Question 14

Identify the following rhythm (lead II): ____________________

Accepted Answer

Accelerate...

Question 15

Identify the following rhythm: ____________________

Accepted Answer

Sinus bradycardia at...

Question 16

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhythm at 64 b...

Question 17

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhyt...

Question 18

Identify the following rhythm (lead II): ____________________

Accepted Answer

Sinus rhythm changin...

Question 19

Identify the following rhythm (lead II) .

Accepted Answer

A)   Accelerated junctional rhythm
B)   Sinus rhythm
C)   Junctional rhythm
D)   Sinus arrhythmiaE) C) and D)
F) B) and C)

Question 20

The usual rate of nonparoxysmal junctional tachycardia is _____ beats/min.

Accepted Answer

A)   50 to 80
B)   80 to 120
C)   101 to 140
D)   150 to 300E) A) and B)
F) A) and C)

Exam 5: Junctional Rhythms

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedAccelerate...View AnswerShow Answer

In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial and ventricular depolarization occur simultaneously?

Correct AnswerverifiedShow Answer

If the AV junction paces the heart,the electrical impulse must travel in a backward direction to activate the atria.This is called _____ conduction.

Correct AnswerverifiedShow Answer

Identify the following rhythm: ____________________

Correct AnswerverifiedSinus bradycardia at...View AnswerShow Answer

Identify the following rhythm: ____________________

Correct AnswerverifiedAccelerated junction...View AnswerShow Answer

Identify the following rhythm (lead II) .

Correct AnswerverifiedShow Answer

Identify the following rhythm (lead II) .

Correct AnswerverifiedShow Answer

A(n)_____ pause often follows a PJC and represents the delay during which the SA node resets its rhythm for the next beat.

Correct AnswerverifiedShow Answer

Identify the following rhythm: ____________________

Correct AnswerverifiedSinus rhythm at 63 b...View AnswerShow Answer

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedSinus rhyt...View AnswerShow Answer

A junctional escape rhythm occurs because of _____.

Correct AnswerverifiedShow Answer

The usual rate of nonparoxysmal junctional tachycardia is _____ beats/min.

Correct AnswerverifiedShow Answer

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedAccelerate...View AnswerShow Answer

If seen,the P wave of a rhythm originating in the AV junction will appear _____ in lead II.

Correct AnswerverifiedShow Answer

The pacemaker cells in the AV junction are located near the nonbranching portion of the bundle of His.

Correct AnswerverifiedShow Answer

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedSinus rhythm at 64 b...View AnswerShow Answer

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedSinus rhythm changin...View AnswerShow Answer

A beat originating from the AV junction that appears later than the next expected sinus beat is called a _____.

Correct AnswerverifiedShow Answer

Identify the following rhythm (lead II): ____________________

Correct AnswerverifiedSinus tachycardia at...View AnswerShow Answer

Identify the following rhythm: ____________________

Correct AnswerverifiedJunctional rhythm at...View AnswerShow Answer

Correct Answer
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Accelerate...
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Correct Answer
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Correct Answer
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Correct Answer
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Sinus bradycardia at...
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Correct Answer
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Accelerated junction...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Sinus rhythm at 63 b...
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Correct Answer
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Sinus rhyt...
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Correct Answer
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Correct Answer
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Correct Answer
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Accelerate...
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Correct Answer
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Correct Answer
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Correct Answer
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Sinus rhythm at 64 b...
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Correct Answer
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Sinus rhythm changin...
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Correct Answer
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Correct Answer
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Sinus tachycardia at...
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Correct Answer
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Junctional rhythm at...
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