Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Mature red blood cells a. | can live for about a year. | c. | promote clotting. | b. | are the largest
cells in the blood. | d. | do not have a
nucleus. | | | | |
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2.
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Red
blood cells a. | transport
respiratory gases. | c. | destroy
viruses. | b. | combat bacterial infection. | d. | transport cholesterol. | | | | |
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3.
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The
heart chamber that receives blood from the venae cavae is the a. | left
atrium. | c. | left
ventricle. | b. | right atrium. | d. | right ventricle. | | | | |
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4.
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Refer
to the illustration above. The vessels indicated by C carry deoxygenated blood. The vessels
are a. | the pulmonary
arteries. | c. | parts of the
aorta. | b. | the pulmonary veins. | d. | part of the atria. | | | | |
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5.
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A
respiratory disease in which airways in the lungs become narrow because of sensitivity to certain
stimuli is called a. | asthma. | c. | emphysema. | b. | bronchitis. | d. | alveolar reduction. | | | | |
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