Which of the following is true of the coronary arteries
A) They branch off the pulmonary veins.
B) Together they supply part of the heart muscle with oxygen.
C) They originate at the base of the aorta and are the first branches off this vessel.
D) They open and close in pulsation with the contraction and relaxation of the heart ventricles.
E) None of the answers are correct.
Correct Answer:
Verified
Q22: The left atrium receives blood from the
A)coronary
Q23: The most serious place for a blockage
Q24: The left ventricle pumps blood into the
A)pulmonary
Q25: The moderator band is located in the
A)left
Q26: Which of the following empty directly into
Q28: The thick muscular partition that separates the
Q29: The wall between the atria is called
Q30: Which of the chambers of the heart
Q31: Which of the following is an incorrect
Q32: The superior end of the right ventricle
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