Which type of cell is the most effective to attack multicellular parasites such as tapeworms?
A. Basophils
B. Eosinophils
C. Macrophages
D. Neutrophils
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Question 2) Which class of chemical messenger facilitates white blood cell formation in bone marrow?
A. Interleukins
B. Colony-stimulating factors
C. Tumor necrosis factors
D. Interferons
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Question 3) In addition to creating a physical barrier to pathogen entry, mucus contains antimicrobial substances such as IgA.
Indicate whether this statement is true or false.
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Question 4) Nonspecific immunity is another name for
A. adaptive immunity.
B. innate immunity.
C. cell-mediated immunity.
D. acquired immunity.
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Question 5) When a chemical messenger has a short half-life, it means that
A. it will not have an extremely prolonged effect on target cells.
B. it will not be eliminated quickly from the blood.
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Question 6) Interferons are one of the classes of
A. interleukins.
B. cytokines.
C. colony-stimulating factors.
D. tumor necrosis factors.
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Question 7) In terms of their chemical structure, cytokines are _______; their function is to serve as _________.
A.
proteins; chemical messengers
B.
proteins; receptors
C.
steroids; chemical messengers.
D.
steroids; receptors.
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Question 8) Cytokines are agents that affect neighboring cells without triggering systemic effects.
Indicate whether this statement is true or false.
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Question 9) A delayed response to a specific antigen is provided by
A. adaptive immunity.
B. innate immunity.
C. inflammation.
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Question 10) Dendritic cells of the skin are derived from
A. macrophages.
B. B-lymphocytes.
C. T-lymphocytes.
D. monocytes.
E. neutrophils.
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