Conduction system
Authored by Amandeep Chann
Other
12th Grade
Used 6+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the SA node?
It serves as the electrical gateway to the ventricles.
It delays the passage of electrical impulses to the ventricles.
It initiates all heartbeats and determines heart rate.
It represents ventricular repolarization.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the AV node located?
Within the ventricular myocardium.
At the apex of the heart.
On the other side of the right atrium, near the AV valve.
Near the entrance of the superior vena cava.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the QRS complex represent?
Atrial depolarization.
The delay of electrical impulses to the ventricles.
Ventricular repolarization.
Ventricular depolarization.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component acts as the natural pacemaker of the heart?
Purkinje fibers
Bundle of His
AV node
SA node
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is represented by the T wave on an ECG?
Atrial depolarization
Ventricular depolarization
Ventricular repolarization
Atrial repolarization
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What event does the P wave on the ECG correspond to?
The delay of electrical impulses at the AV node
Ventricular repolarization
Ventricular depolarization
Atrial depolarization
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a part of the cardiac conduction system?
Mitral valve
Purkinje fibers
AV node
SA node
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