Deck 7: Introducing the Sinus Rhythms

Question 1

Which of the following terms indicates "fast"?

A) Paroxysmal
B) Tachy
C) Absent
D) Brady

Answer 1

B

Question 2

Rhythms are classified according to the heart structure or structures in which they begin. This is called:

A) paroxysmal.
B) site of origin.
C) reentry.
D) normal.

Answer 2

B

Question 3

The area of the conduction system that is defined as the "gatekeeper" to the ventricles is the:

A) AV node.
B) Purkinje network.
C) SA node.
D) bundle of His.

Answer 3

A

Question 4

A patient is termed ________ when he or she is considered medically asymptomatic.

A) critical
B) low priority
C) stable
D) borderline

Question 5

All of the following are signs of cardiac compromise EXCEPT:

A) tachycardia.
B) hypotension.
C) hypertension.
D) pale,clammy skin.

Question 6

The irregular rhythm produced with the P to P intervals and the R to R intervals change with respirations is called:

A) bradycardia.
B) sinus arrhythmia.
C) tachycardia.
D) sinus dysrhythmia.

Question 7

The primary pacemaker cell of the heart is the:

A) SA node.
B) bundle of His.
C) AV node.
D) Purkinje network.

Question 8

External pacing is also referred to as ________ pacing.

A) anterior
B) supraventricular
C) transcutaneous
D) subcutaneous

Question 9

The intrinsic firing rate of the AV node is which of the following?

A) <40 BPM
B) 60-100 BPM
C) 20-40 BPM
D) 40-60 BPM

Question 10

When the sinus node fails to discharge,the absence of a PQRST interval is noted on the rhythm and is called:

A) sinus rhythm.
B) sinus dysrhythmia.
C) sinus bradycardia.
D) sinus arrest.

Question 11

The rhythm in which the SA node discharges impulses at a rate less than 60 is called:

A) sinus bradycardia.
B) sinus dysrhythmia.
C) sinus tachycardia.
D) normal sinus rhythm.

Question 12

The treatment of sinus tachycardia is aimed at finding and treating the underlying cause.

Question 13

The part of the conduction system that is located on the floor of the right atrium is the:

A) Purkinje network.
B) SA node.
C) AV node.
D) bundle of His.

Question 14

Which of the following is the correct order of the conduction system of the heart?

A) SA node,AV node,bundle of His,Purkinje network
B) AV node,SA node,bundle of his,Purkinje network
C) Bundle of His,AV node,Purkinje network
D) Purkinje network,bundle of His,AV node,SA node

Question 15

An "out of place" complex is called:

A) compromise.
B) arrest.
C) funny looking beat.
D) ectopic.

Question 16

The rhythm that occurs when the SA node has generated an impulse that follows the normal pathway through the electrical conduction system is defined as normal sinus:

A) bradycardia.
B) arrhythmia.
C) rhythm.
D) tachycardia.

Question 17

Which of the following describes an EKG with a rate of 140?

A) Third-degree block
B) Tachycardia
C) Bradycardia
D) Normal

Question 18

The rhythm in which the SA node discharges impulses at a rate between 100 and 160 is called:

A) sinus bradycardia.
B) sinus tachycardia.
C) normal sinus rhythm.
D) sinus arrhythmia.

Question 19

An abnormal heart rhythm is most commonly referred to as a(n):

A) dysrhythmia.
B) arrhythmia.
C) byrhythmia.
D) All of the above

Question 20

The part of the conduction system that is located in the septum and in the ventricles is the:

A) SA node.
B) bundle of His.
C) AV node.
D) Purkinje network.