Deck 6: Junctional Rhythms

Question 1

The rate for Junctional Escape Rhythm is ________ bpm.

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

Answer 1

B

Question 2

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

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

Answer 2

A

Question 3

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

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

Answer 3

C

Question 4

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

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

Question 5

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

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

Question 6

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

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

Question 7

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:

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

Question 8

The rate for an Accelerated Junctional Rhythm is ________ bpm.

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

Question 9

A Premature Junctional Complex is a:

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

Question 10

In junctional rhythms,the P wave will always be:

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

Question 11

The normal inherent rate of the AV junction is:

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

Question 12

Which of the following is NOT true about Junctional Tachycardia?

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 13

The rate for Junctional Tachycardia is ________ bpm.

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

Question 14

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

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

Question 15

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

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.

Question 16

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

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