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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Mucus
is produced by the cells lining the walls of the bronchi and bronchioles a. | only when a
person has a severe respiratory infection. | b. | to allow oxygen to diffuse into the blood more
efficiently. | c. | as a lubricant for the expulsion of food that might go
“down the wrong tube.” | d. | to protect against microbes that might be
inhaled. | | |
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2.
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Moderate fevers (below 39°C or 103°F) a. | damage essential
proteins in your body. | b. | inhibit the growth of pathogens and stimulate macrophage
action. | c. | occur late in the disease process after the pathogen is almost
eliminated. | d. | require emergency treatment. | | |
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3.
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neutrophils : releasing chemicals :: a. | macrophages :
releasing chemicals | b. | natural killer cells : releasing
chemicals | c. | natural killer cells : puncturing cell
membranes | d. | macrophages : puncturing their
membranes | | |
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4.
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Ways
you can avoid becoming ill include a. | staying at home and only interacting with your
family. | b. | taking lots of different medications before you get
sick. | c. | washing your hands often. | d. | eating only
vegetables. | | |
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5.
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After
the initial immune response subsides, B cells that continue to patrol body tissues a. | are called
helper T cells. | c. | become memory
cells. | b. | develop into phagocytes. | d. | cannot react to the original antigen. | | | | |
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6.
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Which
of the following is not an autoimmune disease? a. | systemic lupus
erythematosus | c. | rheumatoid
arthritis | b. | multiple sclerosis | d. | influenza | | | | |
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