Question 1

In a Junctional Escape Rhythm,the QRS complex is ________ sec.

Accepted Answer

A) less than 0.12 
B) 0.12-0.16 
C) 0.16-0.20 
D) greater than 0.20 A

Question 2

In a junctional rhythm,the pacemaking impulses originate in the:

Accepted Answer

A) bundle branches. 
B) atrial junction. 
C) AV junction. 
D) SA node. C

Question 3

Which of the following is NOT true about the P wave in all junctional rhythms?

Accepted Answer

A) It can fall before or after the QRS. 
B) It will be inverted in Lead II. 
C) It is unrelated to the QRS. 
D) It can be hidden in the QRS. C

Question 4

The rate for an Accelerated Junctional Rhythm is ________ bpm.

Accepted Answer

A) 40-60 
B) 60-100 
C) 100-120 
D) 100-180

Question 5

Which of the following is NOT true about Junctional Tachycardia?

Accepted Answer

A) It is irregular in a pattern of grouped beating. 
B) It has inverted P waves. 
C) It has a narrow QRS. 
D) It is a very rapid rhythm.

Question 6

The normal inherent rate of the AV junction is:

Accepted Answer

A) 20-40 bpm. 
B) 40-60 bpm. 
C) 60-100 bpm. 
D) over 100 bpm.

Question 7

The mechanism in which the atria are depolarized with a backward flow of electricity is called ________ conduction.

Accepted Answer

A) retrograde 
B) negative 
C) backward 
D) junctional

Question 8

In Lead II,the junctional impulse that depolarizes the atria is traveling away from the positive electrode,thus producing a P wave that is:

Accepted Answer

A) flat. 
B) biphasic. 
C) inverted. 
D) inconsistent.

Question 9

Which of the following arrhythmias is NOT in the category called Supraventricular Tachycardia?

Accepted Answer

A) Sinus Tachycardia 
B) Atrial Flutter 
C) Accelerated Junctional Rhythm 
D) Junctional Tachycardia

Question 10

Which of the following terms does NOT apply to Premature Junctional Complex?

Accepted Answer

A) Ectopic 
B) Retrograde conduction 
C) Irritability 
D) Suppression

Question 11

A basic rule of electricity is that current flowing toward a positive electrode (or away from a negative electrode)produces a deflection that is:

Accepted Answer

A) upright. 
B) retrograde. 
C) flat. 
D) strong.

Question 12

The rate for Junctional Tachycardia is ________ bpm.

Accepted Answer

A) 40-60 
B) 60-100 
C) 100-120 
D) 100-180

Question 13

When a rhythm is regular,with narrow QRS complexes,but firing at a rate so fast that you can't distinguish the P waves to identify it more accurately,you can call the rhythm:

Accepted Answer

A) supraventricular tachycardia. 
B) rapid ventricular response. 
C) unidentifiable tachyarrhythmia. 
D) tachycardia of unknown origin.

Question 14

The rate for Junctional Escape Rhythm is ________ bpm.

Accepted Answer

A) 20-40 
B) 40-60 
C) 60-100 
D) 100-120

Question 15

In junctional rhythms,the P wave will always be:

Accepted Answer

A) in front of the QRS. 
B) missing. 
C) biphasic. 
D) inverted.

Question 16

A Premature Junctional Complex is a:

Accepted Answer

A) pattern of grouped beating. 
B) tachycardia. 
C) regular arrhythmia. 
D) single ectopic beat.

Exam 6: Junctional Rhythms