Immunology Questions
Explore questions in the Immunology category that you can ask Spark.E!
31) In Figure 17.2, what can attach to a host cell?A) a and cB) b and cC) bD) a and dE) e
30) In Figure 17.2, which areas represent antigen-binding sites?A) a and bB) a and cC) b and cD) c and dE) b and d
26) Which of the following WBCs are NOT lymphocytes?A) cytotoxic T cellsB) helper T cellsC) NK cellsD) M cellsE) B cells
34) Which of the following destroys virus-infected cells?A) CTLB) TregC) THD) dendritic cellsE) B cells
2) What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection?A) innate immunityB) naturally acquired active immunityC) naturally acquired passive immunityD) artificially acquired active immunityE) artificially acquired passive immunity
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.
14) Plasma cells are activated by a(n)A) antigen.B) T cell.C) B cell.D) memory cell.E) APC.
15) The antibodies found in mucus, saliva, and tears areA) IgG.B) IgM.C) IgA.D) IgD.E) IgE.
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.
24) Which of the following statements 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 answers are correct.
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.
17) The antibodies that can bind to large parasites areA) IgG.B) IgM.C) IgA.D) IgD.E) IgE.
8) When an antibody binds to a toxin, the resulting action is referred to asA) agglutination.B) opsonization.C) ADCC.D) apoptosis.E) neutralization.
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 dendritic cells.D) cytokines released by B cells.E) complement.
7) Which of the following cells is NOT an APC?A) dentritic cellsB) macrophagesC) immature B cellsD) natural killer cellsE) None of the answers is correct; all of these are APCs.
11) The specificity of an antibody is due toA) 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.
10) Which of the following recognizes antigens displayed on host cells with MHC II?A) TC cellB) B cellC) TH cellD) natural killer cellE) basophil
4) Which of the following is the best definition of epitope?A) specific regions on antigens that interact with T-cell receptorsB) specific regions on antigens that interact with MHC class moleculesC) specific regions on antigens that interact with haptensD) specific regions on antigens that interact with antibodiesE) specific regions on antigens that interact with perforins
6) Which of the following statements is NOT a possible outcome of antigen-antibody reaction?A) clonal deletionB) activation of complementC) opsonizationD) ADCCE) agglutination
5) Newborns' immunity due to the transfer of antibodies across the placenta is an example ofA) innate immunity.B) naturally acquired active immunity.C) naturally acquired passive immunity.D) artificially acquired active immunity.E) artificially acquired passive immunity.