The coronary sinus opens into the
A) right atrium
B) left atrium
C) right ventricle
D) left ventricle
E) superior vena cava
Correct Answer:
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Q34: The heart chamber that pumps blood out
Q35: The component of the conduction system that
Q36: Semilunar valves prevent the flow of blood
Q37: An operation that attempts to repair the
Q38: Oxygenated blood enters the left atrium through
Q40: The internal surface of the ventricles is
Q41: All of the following have the same
Q42: The first heart sound is heard just
Q43: Heart sounds are caused by
A) semilunar valves
B)
Q44: About 70% of the blood that is
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