ch 19 - immune system - multiple choice

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which antibody passes through the placenta? a. IgG b. IgM c. IgD d. IgA

a. IgG

_______ kill cancer/virus-infected cells before the adaptive immune system is activated a. NK cells b. monocytes c. B cells d. T cells

a. NK cells

antigen presentation is essential for the activation of ______ a. T cells b. B cells c. interferons d. monocytes

a. T cells

which type of cell is crucial for development of cellular immunity? a. antigen-presenting cells b. B cells c. helper T cells d. NK cells

a. antigen presenting cells

all CD8 cells become a. cytotoxic T cells b. helper T cells c. memory cells d. B cells

a. cytotoxic T cells

class I MHC proteins would be found on all of the following cells except ________ a. erythrocytes b. T cells c. B cells d. leukocytes

a. erythrocytes

stomach acid is part of the ____ line of defense a. second b. first c. third d. neither

a. first

______ are the only immunogenic when attached to body proteins a. incomplete antigens b. self antigens c. non-self antigens d. epitopes

a. incomplete antigens

the immune system is composed of _____ immunity as _____. a. innate, adaptive b. passive, active c. naturally acquired, artificially acquired d. T cell, B cell

a. innate, adaptive

T cells mature and go through "school" in the _____ a. thymus b. bone marrow c. spleen d. tonsils

a. thymus

HIV cripples the immune system by affecting _________. a. CD 8 cell b. CD 4 cells c. antibodies d. B cells

b. CD 4 cells

B cells and T cells are part of the _____ immune system a. innate b. adaptive

b. adaptive

which white blood cell increases in number during an allergic reaction? a. eosinophil b. basophil c. neutrophil d. platelet

b. basophil

which of the following is not a cardinal sign of inflammation? a. redness b. bleeding c. heat d. pain

b. bleeding

this cell is responsible for tissue graft rejection. a. memory cell b. cytotoxic cell c. regulatory cell d. plasma cell

b. cytotoxic cell

all CD4 cells become a. cytotoxic t cells b. helper t cells c. B cells d. memory cells

b. helper t cells

during the inflammation process the mast cells (that were basophils before) release _________, which causes vasodilation. a. interferon b. histamine c. defensin d. heparin

b. histamine

_______ is the process of coating fragments with antibodies a. active immunity b. passive immunity b. opsonization c. diapedesis

b. opsonization

in responsiveness of our lymphocytes to our own body cells is called a. opsonization b. self-tolerance c. interferons d. active ommunity

b. self-tolerance

the first line of defense includes a. NK cells b. skin c. antimicrobial proteins d. fever

b. skin

where are the peyers patches located? a. large intestine b. small intestine c. stomach d. spleen

b. small intestine

_____ is the largest lymphoid organ in the body a. tonsils b. spleen c. liver d. tonsils

b. spleen

class II MHC proteins are found on _______ a. helper t cells b. erythrocytes c. B cells d. cytotoxic t cells

c. B cells

which antibody is found in the mucus? a. IgG b. IgM c. IgA d. IgD

c. IgA

This antibody class is able to pass through the placenta to protect the fetus. a. IgA b. IgD c. IgG d. IgM

c. IgG

antigen presentation is essential for activation of _______. a. APCs b. B cells c. T cells d. antigens

c. T cells

which of the following is an example of passive immunity? a. a vaccine b. antibody production by B cells c. a gamma globulin shot d. a booster shot

c. a gamma globulin shot

hypersensitivity is usually caused by _________. a. a complete antigen b. bacterium c. a hapten d. a virus

c. a hapten

_____ immunity creates memory, while ______ immunity does not a. passive, active b. innate, adaptive c. active, passive d. adaptive, innate

c. active, passive

class II MHC proteins are found on ______ only a. B cells b. T cells c. antigen-presenting cells d. RBC

c. antigen-presenting cells

substances that provoke an immune response are called ________. a. antibodies b. interferons c. antigens d. immunogens

c. antigens

the two major groups of antimicrobial proteins are interferons and ________ a. T cells b. phagocytes c. complement d. memory cells

c. complement

neutrophils are able to squeeze through the capillary walls in a process called ________. a. leukocytosis b. margination c. diapedesis d. hyperemia

c. diapedesis

_____ are proteins that are released by infected cells to protect neighboring uninflected cells a. immunoglobulins b. complement c. interferons d. antibodies

c. interferons

these proteins are released by viral-infected cells and help protect surrounding uninfected cells. a. complement b. defensins c. interferons d. prostaglandins

c. interferons

which of the following is not true of our adaptive immune system? a. it is specific b. it has memory c. it is restricted to the initial infection site d. it uses both antibodies and cells to fight infection.

c. it is restricted to the initial infection site

_______ are specialized lymph capillaries located in the intestinal mucosa a. B cells b. helper T cells c. lacteals d. memory cells

c. lacteals

what are peyers patches? a. collection of leukocytes b. lumps of monocytes c. lumps of lymphoid follicles d. lymph nodes

c. lumps of lymphoid follicles

the cells involved in cell-mediated immunity are ________. a. macrophages b. neutrophils c. lymphocytes d. monocytes

c. lymphocytes

______ contain germinal centers composed of B cells a. lymph nodes b. lymphatic tissue c. lymphoid follicles d. lymphoid cells

c. lymphoid follicles

the ability of antibodies to block specific sites on pathogens so that they cannot bind to cell receptors is called _______. a. agglutination b. activation c. neutralization d. precipitation

c. neutralization

_____ are specialized cells that ingest microbes and cell debris a. NK cells b. B cells c. phagocytes d. T cells

c. phagocytes

clone cells capable of secreting large amounts of antibodies are called ______. a. memory cells b. T cells c. plasma cells d. macrophages

c. plasma cells

inflammation is part of the ______ line of defense a. first b. third c. second d. neither

c. second

the unresponsiveness of our lymphocytes to our own body cells is called _________. a. immunocompetence b. histocompatibility c. self-tolerance d. immunological memory

c. self tolerance

which of the following statements is NOT true of natural killer cells? a. they are specialized lymphocytes. b. they are part of the innate defense system. c. they react against very specific pathogens. d. they promote apoptosis

c. they react against very specific pathogens

the first antibody class to be released into the bloodstream during an immune response is ________. a. IgA b. IgD c. IgG d. IgM

d. IgM

all of the following are antigen presenting cells except a. macrophages b. B cells c. dendritic cells d. T cells

d. T cells

leukocytes that attack parasitic worms are _____ a. neutrophils b. basophils c. monocytes d. eosinophils

d. eosinophils

the following are all cardinal signs of acute inflammation except _________ a. redness b. pain c. swelling d. fever

d. fever

these cells promote antibody production by the B cells. a. memory T cells b. cytotoxic T cells c. regulatory T cells d. helper T cells

d. helper t cells

virus-infected cells may produce a protein called ____ to help the immune system. a. defensin b. histamine c. complement d. interferon

d. interferon

these cells are most numerous at the site of a chronic infection. a. basophils b. eosinophils c. natural killer cells d. macrophages

d. macrophages

granules are present in all of the following except a. basophils b. neutrophils c. eosinophils d. monocytes

d. monocytes

which of the following are not phagocytes? a. macrophages b. neutrophils c. Eosinophils d. natural killer cells

d. natural killer cells

class II MHC proteins would be found on all of the following except: a. dendritic cells b. macrophages c. B cells d. neutrophils

d. neutrophils

the process in which antibodies coat foreign proteins is called ________. a. adherence b. apoptosis c. margination d. opsonization

d. opsonization

this cell mediates the body's cellular immune response. a. neutrophil b. B cell c. macrophage d. T cell

d. t cell


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