Sinus Rhythms Quiz Flashcards
An abnormal heart rhythm is most commonly referred to as a:
Select one:
a. arrhythmia
b. dysrhythmia
c. byrhythmia
d. All of the above
b. dysrhythmia
Rhythms are classified according to the heart structure or structures in which they begin. This is called:
Select one:
a. site of origin.
b. normal.
c. paroxysmal
d. reentry.
a. site of origin.
A patient is termed ________ when he or she is considered medically asymptomatic.
Select one:
a. low priority
b. stable
c. borderline
d. critical
b. stable
External pacing is also referred to as ________ pacing.
Select one:
a. transcutaneous
b. supraventricular
c. subcutaneous
d. anterior
a. transcutaneous
The intrinsic firing rate of the AV node is which of the following?
Select one:
a. 60–100 BPM
b. 40–60 BPM
c. 20–40 BPM
d. <40 BPM
b. 40-60 BPM
The primary pacemaker cell of the heart is the:
Select one:
a. AV node.
b. bundle of His.
c. Purkinje network.
d. SA node.
d. SA node.
The part of the conduction system that is located in the septum and in the ventricles is the:
Select one:
a. SA node.
b. AV node.
c. bundle of His.
d. Purkinje network.
d. Purkinje network.
The part of the conduction system that is located on the floor of the right atrium is the:
Select one:
a. SA node.
b. AV node.
c. bundle of His.
d. Purkinje network.
b. AV node.
The area of the conduction system that is defined as the “gatekeeper” to the ventricles is the:
Select one:
a. Purkinje network.
b. bundle of His.
c. AV node.
d. SA node.
c. AV node.
Which of the following is the correct order of the conduction system of the heart?
Select one:
a. AV node, SA node, bundle of his, Purkinje network
b. Bundle of His, AV node, Purkinje network
c. Purkinje network, bundle of His, AV node, SA node
d. SA node, AV node, bundle of His, Purkinje network
d. SA node, AV node, bundle of His, Purkinje network
