Understanding Cardiac Cycle Control
Authored by James Pryke
Physical Ed
12th Grade
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the cardiac conduction system?
To pump blood through the heart
To generate and conduct electrical impulses
To regulate blood pressure
To filter blood
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the cardiac conduction system is known as the natural pacemaker of the heart?
Atrioventricular (AV) node
Bundle of His
Sinoatrial (SA) node
Purkinje fibres
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the atrioventricular (AV) node in the cardiac conduction system?
To initiate the heartbeat
To delay the electrical impulse
To contract the ventricles
To supply blood to the heart muscle
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which structure in the cardiac conduction system conducts impulses from the AV node to the ventricles?
Purkinje fibres
Bundle of His
Sinoatrial (SA) node
Atrioventricular (AV) node
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sequence of electrical conduction in the heart?
SA node → AV node → Bundle of His → Purkinje fibres
AV node → SA node → Purkinje fibres → Bundle of His
Purkinje fibres → Bundle of His → AV node → SA node
Bundle of His → Purkinje fibres → SA node → AV node
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