Deck 6: Junctional Rhythms

Question 1

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)inconsistent
B)inverted
C)biphasic
D)flat

Answer 1

B

Question 2

In junctional rhythms, the P wave will always be:

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

Answer 2

B

Question 3

The rate for Junctional Escape Rhythm is bpm.

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

Answer 3

A

Question 4

The rate for Junctional Tachycardia is bpm.

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

Question 5

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

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

Question 6

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

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

Question 7

The normal inherent rate of the AV junction is:

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

Question 8

Which of the following is NOT true about Junctional Tachycardia?

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

Question 9

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

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

Question 10

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

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

Question 11

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

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

Question 12

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)tachycardia of unknown origin.
D)unidentifiable tachyarrhythmia.

Question 13

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

A)retrograde conduction
B)suppression
C)ectopic
D)irritability

Question 14

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

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

Question 15

A Premature Junctional Complex is a:

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

Question 16

The rate for an Accelerated Junctional Rhythm is bpm.

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