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Questions and Answers
What is the function of the coronary artery?
What is the function of the coronary artery?
- To facilitate gas exchange in the pulmonary circulation
- To nourish the heart with oxygen-rich blood (correct)
- To deliver blood to organs
- To provide the heart with an automatic rhythmic beat
Where is the primary pacemaker of the heart located?
Where is the primary pacemaker of the heart located?
- Junction of SVC and RA (correct)
- Interatrial septum
- Interventricular septum
- Walls of the ventricles
What is the role of the AV node in the heart's conduction system?
What is the role of the AV node in the heart's conduction system?
- To stimulate the heart to contract and pump blood
- To divide into R and L main bundle branches
- To delay the electrical impulse to allow ventricular filling (correct)
- To provide the heart with an automatic rhythmic beat
What happens at the interventricular septum?
What happens at the interventricular septum?
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What triggers myocardial contraction in the heart?
What triggers myocardial contraction in the heart?
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What is the function of the SA node in the heart's conduction system?
What is the function of the SA node in the heart's conduction system?
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What is the role of the AV node in the heart's conduction system?
What is the role of the AV node in the heart's conduction system?
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What occurs in the pulmonary circulation?
What occurs in the pulmonary circulation?
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What is the function of the coronary artery?
What is the function of the coronary artery?
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Where are the Purkinje fibers located in the heart?
Where are the Purkinje fibers located in the heart?
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