ch 19 - immune system - multiple choice
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
