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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All
of the following possess mucous membranes except the a. | digestive
tract. | c. | nasal
passages. | b. | surface of the skin. | d. | vagina. | | | | |
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2.
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White
blood cells that ingest invading microbes and cellular debris resulting from microbial attacks are
called a. | macrophages. | c. | natural killer
cells. | b. | neutrophils. | d. | complement cells. | | | | |
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3.
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Which
of the following pairs is incorrectly associated? a. | cytotoxic T
cellsattack and kill infected cells | b. | helper T cellsactivate cytotoxic T cells and B
cells | c. | B cellsengulf cells that are infected with
microbes | d. | macrophagesconsume pathogens and infected
cells | | |
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4.
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The
role of helper T cells in immune responses is to a. | secrete interleukin-1. | b. | stimulate
macrophages to initiate an alarm signal. | c. | initiate the
activities of neutrophils. | d. | activate two different types of immune system
cells. | | |
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5.
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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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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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