A) stimulate T cell response to cytokines.
B) increase the production of histamines.
C) inhibit T cell response to cytokines.
D) both stimulate T cell response to cytokines and increase the production of histamines.
E) stimulate phagocytosis by macrophages.
Correct Answer
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Multiple Choice
A) myasthenia gravis
B) rheumatoid arthritis
C) multiple sclerosis
D) systemic lupus erythematosus
E) tuberculosis
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Multiple Choice
A) contain substances that will weaken or kill some bacteria on the skin.
B) cool the body through evaporative cooling.
C) release white blood cells on the surface of the skin.
D) are part of the body's specific defenses against disease.
E) attract white blood cells to cuts in order to fight infections.
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Multiple Choice
A) pelvic bones
B) sternum
C) clavicle
D) vertebrae
E) carpals
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Multiple Choice
A) she has A antigens on her red blood cells and can only receive type A blood in transfusions.
B) she produces A antibodies when type A blood is used in transfusion, causing agglutination.
C) she has A antigens on her red blood cells and will produce antibodies if red blood cells with B antigens are transfused into her body.
D) she has B antigens on her red blood cells and can only receive type O blood.
E) she produces A antibodies when type B blood is used in a transfusion.
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Multiple Choice
A) bacterial; self-produced
B) self-produced; foreign
C) self-produced; also self-produced
D) cancer; bacterial
E) viral; self-produced
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Multiple Choice
A) exposure to a pathogen either naturally or by vaccination.
B) memory B cells responding to a second exposure to the same pathogen.
C) receiving mother's antibodies through the placenta and breast feeding.
D) passive or active mechanisms.
E) the stimulation of a nonspecific immune defense.
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Multiple Choice
A) immediately upon encountering them.
B) when presented by an antigen-presenting cell.
C) after antibodies are produced for that antigen.
D) either immediately upon encountering them or when presented by an APC.
E) only in the presence of histamine.
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Multiple Choice
A) T lymphocytes
B) B lymphocytes
C) mast cells
D) macrophages
E) areolar tissue
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Multiple Choice
A) a booster
B) the primary exposure to the vaccine
C) a dose of antibodies
D) live pathogen
E) histamine
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Multiple Choice
A) protein and carbohydrates
B) nucleic acids and proteins
C) lipids and proteins
D) lipids and carbohydrates
E) nucleic acids and carbohydrates
Correct Answer
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Multiple Choice
A) thyroid gland
B) bone marrow
C) thymus
D) spleen
E) blood
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Multiple Choice
A) mast cells
B) neutrophils
C) B lymphocytes
D) macrophages
E) natural killer cells
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Multiple Choice
A) produce cytokines which stimulate other types of immune cells.
B) destroy virus infected cells through phagocytosis.
C) produce perforins and granzymes which destroy cancer cells.
D) produce histamine to induce the inflammatory response.
E) produce specific antibodies.
Correct Answer
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Multiple Choice
A) Male-to-male contact accounts for the greatest number of new cases each year.
B) As of 2007, there were about 10 million people living world-wide with HIV.
C) In 2007, over 5000 people were newly infected world-wide each day.
D) In 2007, over 5000 people died world-wide from HIV complications each day.
E) Heterosexual contact and intravenous drug use together account for a greater percentage of new cases than male-to-male contact.
Correct Answer
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Multiple Choice
A) chemotherapy
B) radiation treatment
C) blood transfusion
D) herbal supplements
E) drug therapy
Correct Answer
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Multiple Choice
A) AB only
B) AB and O
C) A, B, AB, and O
D) A, B and AB
E) A and B
Correct Answer
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Multiple Choice
A) The booster allows the antibody concentration to rise to a level higher than the primary response.
B) The booster will raise the antibody concentration in the individual by 10%.
C) The booster will cause the antibody concentration to rise and then decrease rapidly.
D) The booster will do nothing for the individuals immune response.
E) The booster will initiate the immune response.
Correct Answer
verified
True/False
Correct Answer
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Multiple Choice
A) Apoptosis occurs.
B) They are saved for later use.
C) They are stored in thymus gland.
D) They destroyed by bone marrow.
E) They are killed by cytotoxic T cells.
Correct Answer
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