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Questions and Answers
Where is the sinuatrial node located in the heart?
Where is the sinuatrial node located in the heart?
- To the right of the superior vena cava
- At the junction of the atria and ventricles
- At the lower end of the crista terminalis
- To the left of the superior vena cava (correct)
What prevents random propagation of conduction to the ventricles in the heart?
What prevents random propagation of conduction to the ventricles in the heart?
- The tricuspid valve
- The interventricular septum
- The figure-of-eight fibrous skeleton (correct)
- The moderator band
Where does the bundle of His run through in the heart?
Where does the bundle of His run through in the heart?
- The moderator band into the right ventricle
- The tricuspid valve into the left ventricle
- The fibrous skeleton into the interventricular septum (correct)
- The crista terminalis into the atria
What divides into left and right bundles to supply each ventricle in the heart?
What divides into left and right bundles to supply each ventricle in the heart?
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Where is the pacemaker of the heart located?
Where is the pacemaker of the heart located?
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