A) Fever inactivates (kills) some viruses.
B) Fever speeds up the rate of phagocytosis.
C) Fever reduces the iron level in the blood,thereby retarding the growth of some bacteria.
D) Fever kills some bacteria.
E) All answers are correct.
G) C) and D)
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A) histamine.
B) interleukin.
C) plasma.
D) complement protein.
E) epinephrinE.
G) A) and E)
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A) The fetus and mother are not genetically identical.
B) The mother may have an autoimmune disease and recognize self antigens as foreign.
C) The mother's immune system may be suppressed.
D) The fetus is separated from the mother's blood and immune system.
E) By the time the mother produces antibodies,the baby has been born.
G) C) and D)
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A) basophils.
B) invaders.
C) lymphocytes.
D) allergies.
E) vaccines.
G) B) and E)
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A) T helper cells secrete enzymes that digest the pathogen.
B) B cells produce antibodies that bind directly to a single epitope on the antigen.
C) Cytotoxic T cells poke holes in the antigen.
D) Complement protein pokes holes in the antigen.
E) Macrophages engulf and digest the pathogen.
G) A) and E)
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A) The primary immune response creates memory B and memory T cells which are activated in a secondary immune response.
B) The primary immune response creates antigens which are activated in a secondary immune response.
C) The secondary immune response creates antigens which are activated in a primary immune response.
D) The secondary immune response creates memory B and memory T cells which are activated in a primary immune response.
E) The primary immune response creates memory B cells,the secondary immune response creates memory T cells,and these are both activated in a tertiary immune responsE.
G) C) and D)
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A) bacterial infection
B) parasites
C) asthma
D) viral infection
E) fungal infection
G) A) and C)
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A) a fetus acquiring antibodies through the placenta,or a person receiving an injection of antibodies
B) antibodies produced from a vaccine,or a person receiving an injection of antibodies
C) only antibodies produced from a vaccine
D) only a fetus acquiring antibodies through the placenta
E) only a person receiving an injection of antibodies
G) None of the above
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A) ring worm in a foot
B) metastasized breast cancer
C) brain tumor
D) ebola virus
E) dead skin cells
G) A) and C)
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A) both B and T memory cells.
B) both mast and B memory cells.
C) mast memory cells only.
D) B memory cells only.
E) T memory cells only.
G) B) and E)
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A) sneezing
B) viruses
C) parasites
D) All answers are correct.
E) kissing
G) B) and D)
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A) interferon.
B) antibody.
C) complement protein.
D) phagocyte.
E) B cell.
G) All of the above
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A) cell that engulfs other cells and debris.
B) cell that primarily is used to produce antibodies.
C) cell that produces white blood cells.
D) cell that produces platelets.
E) cell that transports oxygen to tissues.
G) B) and D)
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A) antibody.
B) antigen.
C) substrate.
D) phagocyte.
E) complement protein.
G) C) and D)
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