Ch 17 Adaptive Immunity: Specific Defenses of the Host

25 July 2022
4.7 (114 reviews)
42 test answers

Unlock all answers in this set

Unlock answers (38)
question
D) Artificially acquired active immunity
answer
1) What type of immunity results from vaccination? A) Innate immunity B) Naturally acquired active immunity C) Naturally acquired passive immunity D) Artificially acquired active immunity E) Artificially acquired passive immunity
question
E) Artificially acquired passive immunity
answer
2) What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection? A) Innate immunity B) Naturally acquired active immunity C) Naturally acquired passive immunity D) Artificially acquired active immunity E) Artificially acquired passive immunity
question
B) Naturally acquired active immunity
answer
3) What type of immunity results from recovery from mumps? A) Innate immunity B) Naturally acquired active immunity C) Naturally acquired passive immunity D) Artificially acquired active immunity E) Artificially acquired passive immunity
question
A) Innate immunity.
answer
4) A human's resistance to canine distemper is an example of A) Innate immunity. B) Naturally acquired active immunity. C) Naturally acquired passive immunity. D) Artificially acquired active immunity. E) Artificially acquired passive immunity.
question
C) Naturally acquired passive immunity.
answer
5) Newborns' immunity due to the transfer of antibodies across the placenta is an example of A) Innate immunity. B) Naturally acquired active immunity. C) Naturally acquired passive immunity. D) Artificially acquired active immunity. E) Artificially acquired passive immunity.
question
A) Innate immunity
answer
6) What type of immunity is NOT due to antibodies? A) Innate immunity B) Naturally acquired active immunity C) Naturally acquired passive immunity D) Artificially acquired active immunity E) Artificially acquired passive immunity
question
D) Artificially acquired active immunity
answer
7) What type of immunity results from injection of tetanus toxoid? A) Innate immunity B) Naturally acquired active immunity C) Naturally acquired passive immunity D) Artificially acquired active immunity E) Artificially acquired passive immunity
question
D) Artificially acquired active immunity.
answer
8) Immunity due to injection of an antigen is an example of A) Innate immunity. B) Naturally acquired active immunity. C) Naturally acquired passive immunity. D) Artificially acquired active immunity. E) Artificially acquired passive immunity.
question
B) Interaction between TCRs and MHC II.
answer
9) CD4+ T cells are activated by A) Interaction between CD4+ and MHC II. B) Interaction between TCRs and MHC II. C) Cytokines released by dendtritic cells. D) Cytokines released by B cells. E) Complement.
question
C) TH cell
answer
10) Which of the following recognizes antigens displayed on host cells with MHC II? A) TC cell B) B cell C) TH cell D) Natural killer cell E) Basophil
question
E) The variable portions of the H and L chains.
answer
11) The specificity of an antibody is due to A) Its valence. B) The H chains. C) The L chains. D) The constant portions of the H and L chains. E) The variable portions of the H and L chains.
question
E) They recognize antigens associated with MHC I.
answer
12) Which of the following is NOT a characteristic of B cells? A) They originate in bone marrow. B) They have antibodies on their surfaces. C) They are responsible for the memory response. D) They are responsible for antibody formation. E) They recognize antigens associated with MHC I.
question
D) B cells make antibodies.
answer
13) Which of the following is NOT a characteristic of cellular immunity? A) The cells originate in bone marrow. B) Cells are processed in the thymus gland. C) It can inhibit the immune response. D) B cells make antibodies. E) T cells react with antigens.
question
A) Antigen.
answer
14) Plasma cells are activated by a(n) A) Antigen. B) T cell. C) B cell. D) Memory cell. E) APC.
question
C) IgA.
answer
15) The antibodies found in mucus, saliva, and tears are A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
B) IgM.
answer
16) The antibodies found on B cells are A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
E) IgE.
answer
17) The antibodies that can bind to large parasites are A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
B) IgM.
answer
18) In addition to IgG, the antibodies that can fix complement are A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
B) IgM.
answer
19) Large antibodies that agglutinate antigens are A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
A) IgG.
answer
20) The most abundant class of antibodies in serum is A) IgG. B) IgM. C) IgA. D) IgD. E) IgE.
question
D) The constant region of a heavy chain is the same for all antibodies.
answer
24) Which statement is false? A) The variable region of a heavy chain binds with antigen. B) The variable region of a light chain binds with antigen. C) The Fc region attaches to a host cell. D) The constant region of a heavy chain is the same for all antibodies. E) All of the above statements are true.
question
B) A chemical that elicits an antibody response and can combine with these antibodies.
answer
25) The best definition of antigen is A) Something foreign in the body. B) A chemical that elicits an antibody response and can combine with these antibodies. C) A chemical that combines with antibodies. D) A pathogen. E) A protein that combines with antibodies.
question
C) A protein made in response to an antigen that can combine with that antigen.
answer
26) The best definition antibody is A) A serum protein. B) A protein that inactivates or kills an antigen. C) A protein made in response to an antigen that can combine with that antigen. D) An immunoglobulin. E) A protein that combines with a protein or carbohydrate
question
D) TH cell recognizes antigen-digest and MHC II.
answer
27) The following events elicit an antibody response. What is the third step? A) Antigen-digest goes to surface of APC. B) APC phagocytizes antigen. C) B cell is activated. D) TH cell recognizes antigen-digest and MHC II. E) TH cell produces cytokines.
question
D) c and d
answer
28) In Figure 17.2, which areas are similar for all IgG antibodies? A) a and b B) a and c C) b and c D) c and d E) b and d
question
B) a and c
answer
29) In Figure 17.2, which areas are different for all IgM antibodies? A) a and b B) a and c C) b and c D) c and d
question
A) a and b
answer
30) In Figure 17.2, which areas represent antigen-binding sites? A) a and b B) a and c C) b and c D) c and d E) b and d
question
E) e
answer
31) In Figure 17.2, what can attach to a host cell? A) a and c B) b and c C) b D) d E) e
question
A) IgM.
answer
32) Figure 17.2 could be any of the following EXCEPT A) IgM. B) IgG. C) IgD. D) IgE. E) The figure could represent any of the above.
question
C) IgM
answer
33) The presence of which of the following indicates a current infection rather than a previous infection or vaccination? A) IgA B) IgG C) IgM D) IgD E) IgE
question
A) CTL
answer
34) Which of the following destroys virus-infected cells? A) CTL B) Treg C) TH D) Dendritic cells E) B cells
question
D) TH cell produces cytokines.
answer
35) The following events occur in cellular immunity. What is the third step? A) Antibodies are produced. B) Dendritic cell takes up antigen. C) Antigen enters M cell D) TH cell produces cytokines. E) TH cells proliferate.
question
A) Activate CD8+ cells to CTLs.
answer
36) Cytokines released by TH 1 cells A) Activate CD8+ cells to CTLs. B) Convert TH 1 cells to TH 2 cells. C) Convert TH 2 cells to TH 1 cells. D) Kill parasites. E) Convert B cells to T cells. Answer:
question
E) Perforin
answer
37) Which one of the following causes transmembrane channels in target cells? A) Antigen B) Hapten C) IL-1 D) IL-2 E) Perforin
question
A) Apoptosis.
answer
38) Patients with an inherited type of colon cancer called familial adenomatous polyposis have a mutation in the gene that codes for A) Apoptosis. B) IgE antibodies. C) T helper cells. D) ADCC. E) Phagocytosis.
question
A) Destroys T cells that don't recognize self-molecules of MHC.
answer
39) Thymic selection A) Destroys T cells that don't recognize self-molecules of MHC. B) Destroys B cells that make antibodies against self. C) Destroys MHC molecules. D) Destroys CD4+ cells that attack self. E) Activates B cells.
question
D) They are stimulated by an antigen.
answer
40) Which of the following statements about natural killer cells is false? A) They destroy virus-infected cells. B) They destroy tumor cells. C) They destroy cells lacking MHC I. D) They are stimulated by an antigen. E) All of the above statements are true.
question
A) Antibodies.
answer
41) An antibody's Fc region can be bound by A) Antibodies. B) Macrophages. C) T helper cells. D) B cells. E) CTLs
question
A) Increased number of viral infections.
answer
42) A Treg cell deficiency could result in A) Increased number of viral infections. B) Increased number of bacterial infections. C) Autoimmunity. D) Increased severity of bacterial infections. E) Transplant rejection.
question
A) CTLs.
answer
43) Cell death caused by perforin and granzymes is caused by A) CTLs. B) TH1 cells. C) TH2 cells. D) B cells. E) TLRs.
question
B) Stimulates TH cell maturation
answer
44) IL-2, produced by TH cells, A) Activates macrophages. B) Stimulates TH cell maturation C) Causes phagocytosis. D) Activates antigen-presenting cells. E) Activates TC cells to CTLs.
question
C) It activates the TH1 pathway.
answer
45) Which of the following statements about IL-12 is false? A) It activates macrophages. B) It inhibits some tumor cells. C) It activates the TH1 pathway. D) It causes autoimmune diseases. E) It causes TH cells to respond to HIV.