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End of Chapter Quiz
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1
Which of the following is not a function of the circulatory system?
A)regulation of some body processes and characteristics
B)protection against injury, foreign toxins, and microbes
C)transportation of materials in the body
D)All of the above are functions of the circulatory system.
2
How do some vertebrates maintain body temperature in cold environments?
A)by mixing cold blood with warm blood in the heart
B)by pumping more warm blood to the extremities
C)by passing warm blood near cold blood in the extremities to warm the blood
D)All of the above are used by vertebrates in cold environments.
3
Exchange of waste material, oxygen, carbon dioxide, and metabolites such as salts and food molecules, takes place in the
A)capillaries.
B)venules.
C)arterioles.
D)arteries.
4
The lymphatic system is like the circulatory system in that they both
A)have nodes that filter out pathogens.
B)are made up of arteries.
C)deliver blood to the heart.
D)carry fluids.
5
The most numerous blood cell is the
A)macrophage.
B)leukocyte.
C)platelet.
D)erythrocyte.
6
What advancement in fish led to a more efficient circulatory system?
A)A muscular pump is first seen in fishes.
B)A closed circulatory system is first seen in fishes.
C)A heart with separate chambers is first seen in fishes.
D)A double loop system is first seen in fishes.
7
Additional septa in the amphibian and reptile heart allow for
A)higher blood pressure to move blood faster.
B)better separation of oxygenated and deoxygenated blood.
C)better body temperature regulation.
D)better transport of food to needy tissues.
8
Which of the following statements is false?
A)Only arteries carry oxygenated blood.
B)Both arteries and veins have a layer of smooth muscle.
C)Capillary beds lie between arteries and veins.
D)Sphincters regulate the flow of blood through capillaries.
9
The four-chambered heart and double loop vessel system is thought to be important in the evolution of
A)locomotion.
B)ectothermy.
C)exothermy.
D)endothermy.
10
Which of the following statements is false?
A)Cardiovascular disease is the number one killer in the United States.
B)Cardiovascular disease is limited to problems with the heart.
C)Atherosclerosis leads to blocked arteries.
D)Changes in lifestyle can reduce your risk for cardiovascular disease.





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