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Questions and Answers
What would most likely occur if the blocked artery in the coronary circulation is not restored?
What would most likely occur if the blocked artery in the coronary circulation is not restored?
- The myocardium supplied by the blocked artery would die (correct)
- The coronary sinus would drain into the left atrium
- The patient would experience temporary chest pain
- The patient would experience increased blood pressure
What is the primary reason for performing a coronary artery bypass grafting?
What is the primary reason for performing a coronary artery bypass grafting?
- To reduce blood pressure
- To relieve angina that is not amenable to pharmacological control (correct)
- To treat aortic stenosis
- To widen the coronary sinus
Which branch of the right coronary artery supplies the S-A node?
Which branch of the right coronary artery supplies the S-A node?
- Anterior interventricular branch
- Posterior interventricular branch
- Left coronary artery
- Nodal branch (correct)
What is the origin of the left coronary artery?
What is the origin of the left coronary artery?
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Where does the coronary sinus drain into?
Where does the coronary sinus drain into?
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Which vein drains directly into the right atrium crossing the atrioventricular groove?
Which vein drains directly into the right atrium crossing the atrioventricular groove?
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Where is the sino-atrial (SA) node located?
Where is the sino-atrial (SA) node located?
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Which artery does the middle cardiac vein follow?
Which artery does the middle cardiac vein follow?
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What effect does the parasympathetic nerve supply have on the heart?
What effect does the parasympathetic nerve supply have on the heart?
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Where do the Purkinje fibers lie within the heart?
Where do the Purkinje fibers lie within the heart?
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