A patient has a problem with semilunar valve function.You would expect to see a problem with the normal structure in the heart intended to
A) prevent arterial blood from reentering the ventricles.
B) prevent blood from re-entering the atria when ventricles contract.
C) prevent the backflow of blood in large veins.
D) are located between the atria and ventricles.
E) prevent blood from entering the arteries.
Correct Answer:
Verified
Q15: The simplest animals with a closed circulatory
Q17: The middle layer of the wall of
Q18: Vertebrates with a four-chambered heart include
A) fish.
B)
Q19: The capillary wall consists only of
A) a
Q21: The narrowing of blood vessels is
A) vasoconstriction.
B)
Q22: Diastolic pressure reflects the
A) contraction of the
Q23: In lab,you are asked to decide what
Q24: The abundant protein in blood,which is arguably
Q25: The widening of blood vessels is
A) vasoconstriction.
B)
Q35: A heartbeat begins in the
A) atrioventricular valve.
B)
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