BIO 256 - Exam 4 questions with answers
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Innate immune system defenses include - CORRECT ANSWERS
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✔✔phagocytes
Which cell resides in tissues to prevent infections? - CORRECT
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ANSWERS ✔✔Macrophages |\
The redness and heat of an inflamed area are due to a local
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hyperemia caused by - CORRECT ANSWERS ✔✔vasodilation.
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Pyrogens, secreted by activated phagocytes, cause - CORRECT
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ANSWERS ✔✔fever |\
During fever, your liver and spleen sequester iron and zinc. This
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inhibits the growth of - CORRECT ANSWERS ✔✔microorganisms.
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Select the correct statement about antigens. - CORRECT
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ANSWERS ✔✔One antigen may have many different antigenic
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determinants and may therefore cause the formation of more |\ |\ |\ |\ |\ |\ |\ |\ |\
than one antibody.
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Cytotoxic T cells - CORRECT ANSWERS ✔✔
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, Cancer cells and virus-infected body cells can be killed before
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activation of the immune system by - CORRECT ANSWERS
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✔✔natural killer cells. |\ |\
Clonal selection of B cells - CORRECT ANSWERS ✔✔results in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
formation of plasma cells |\ |\ |\
Which of the following is true about the number of binding sites
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
per functional antibody unit? - CORRECT ANSWERS ✔✔IgM
|\ |\ |\ |\ |\ |\ |\ |\
contains 10 binding sites. |\ |\ |\
Which is an antibody attached to mast cells and basophils that
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
makes them release histamine when an antigen binds it? -
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CORRECT ANSWERS ✔✔IgE |\ |\
Why don't you get the mumps twice? - CORRECT ANSWERS
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✔✔Immune memory and the secondary immune response stop
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reinfection.
Which of the following is associated with passive immunity? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔passage of IgG antibodies from a
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pregnant mother to her fetus |\ |\ |\ |\
Human cells infected with a virus or intracellular parasite are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
mostly eliminated by the work of - CORRECT ANSWERS ✔✔T-
|\ |\ |\ |\ |\ |\ |\ |\ |\
lymphocytes.
|\ |\ |\ |\ |\ |\ |\
Innate immune system defenses include - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔phagocytes
Which cell resides in tissues to prevent infections? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Macrophages |\
The redness and heat of an inflamed area are due to a local
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
hyperemia caused by - CORRECT ANSWERS ✔✔vasodilation.
|\ |\ |\ |\ |\ |\
Pyrogens, secreted by activated phagocytes, cause - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔fever |\
During fever, your liver and spleen sequester iron and zinc. This
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
inhibits the growth of - CORRECT ANSWERS ✔✔microorganisms.
|\ |\ |\ |\ |\ |\ |\
Select the correct statement about antigens. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔One antigen may have many different antigenic
|\ |\ |\ |\ |\ |\ |\ |\
determinants and may therefore cause the formation of more |\ |\ |\ |\ |\ |\ |\ |\ |\
than one antibody.
|\ |\
Cytotoxic T cells - CORRECT ANSWERS ✔✔
|\ |\ |\ |\ |\ |\
, Cancer cells and virus-infected body cells can be killed before
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
activation of the immune system by - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔natural killer cells. |\ |\
Clonal selection of B cells - CORRECT ANSWERS ✔✔results in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
formation of plasma cells |\ |\ |\
Which of the following is true about the number of binding sites
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
per functional antibody unit? - CORRECT ANSWERS ✔✔IgM
|\ |\ |\ |\ |\ |\ |\ |\
contains 10 binding sites. |\ |\ |\
Which is an antibody attached to mast cells and basophils that
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
makes them release histamine when an antigen binds it? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔IgE |\ |\
Why don't you get the mumps twice? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Immune memory and the secondary immune response stop
|\ |\ |\ |\ |\ |\ |\ |\
reinfection.
Which of the following is associated with passive immunity? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔passage of IgG antibodies from a
|\ |\ |\ |\ |\ |\ |\ |\
pregnant mother to her fetus |\ |\ |\ |\
Human cells infected with a virus or intracellular parasite are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
mostly eliminated by the work of - CORRECT ANSWERS ✔✔T-
|\ |\ |\ |\ |\ |\ |\ |\ |\
lymphocytes.
