A heart murmur is caused by:
A) A greater than normal force of contraction of the right atrium
B) A constriction of the pulmonary artery
C) Blockage of the aorta
D) The heart valves not functioning properly
E) A greater than normal force of contraction of the left atrium
Correct Answer:
Verified
Q7: The large vessels of the circulatory system
Q8: Vertebrates with a two-chambered heart include:
A)Amphibians
B)Reptiles
C)Birds
D)Fish
E)Mammals
Q9: Which of the following is an artery
Q10: The tough connective tissue sac surrounding the
Q11: Vertebrates with a four-chambered heart include:
A)Fish
B)Reptiles
C)Birds
D)Amphibians
E)Annelids
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
Q16: The semilunar valves:
A)Prevent arterial blood from reentering
Q17: The chamber of the heart that is
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