The semilunar valves:
A) Prevent arterial blood from reentering the ventricles
B) Prevent blood from reentering the atria when ventricles contract
C) Prevent the back flow of blood in large veins
D) Are located between the atria and ventricles
E) Prevent blood from entering the arteries
Correct Answer:
Verified
Q11: Vertebrates with a four-chambered heart include:
A)Fish
B)Reptiles
C)Birds
D)Amphibians
E)Annelids
Q12: A heart murmur is caused by:
A)A greater
Q13: The myocardium is the:
A)Sac surrounding the heart
B)The
Q14: Vertebrates with a three-chambered heart include:
A)Fish
B)Amphibians
C)Birds
D)Mammals
E)Annelids
Q15: A heartbeat begins in the:
A)Atrioventricular valve
B)Atrioventricular node
C)Sinoatrial
Q17: The chamber of the heart that is
Q18: The upper chambers of the mammalian heart
Q19: Cardiac output may increase by:
A)A greater than
Q20: The large vessels that carry blood to
Q21: The major vein receiving blood draining from
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