The coronary arteries are branches of the ____ and supply ____ to the myocardium.
A) pulmonary artery/nutrients
B) aorta/oxygen
C) superior vena cava/nutrients
D) inferior vena cava/oxygen
Correct Answer:
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Q48: In one cardiac cycle, when the ventricles
Q49: The term for contraction of chambers of
Q50: The coronary sinus is the union of
Q51: During one cardiac cycle:
A)the atria contract together,
Q52: With respect to the heart, systole means
Q54: The pulmonary semilunar valve prevents backflow of
Q55: The valve that prevents backflow of blood
Q56: The aortic and pulmonary semilunar valves prevent
Q57: In the cardiac cycle, which statement is
Q58: The cardiac cycle is the:
A)sequence in which
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