MHC class I molecules present peptide antigens derived from a(n) _______ compartment, whereas MHC class II molecules present peptide antigens derived from a(n) _______ compartment: a. extracellular; intracellular b. intracellular; extracellular c. opsonization; neutralization d. neutralization; opsonization e. none of the above.

MHC class I molecules present peptide antigens derived from a(n) _ compartment, whereas MHC class II molecules present peptide antigens derived from a(n) _ compartment: a. extracellular; intracellular b. intracellular; extracellular c. opsonization; neutralization d. neutralization; opsonization e. none of the above.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 16SA: Match the immunity concept with the best description. ___anaphylactic shock a. recognizes antigen...

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Match the immunity concept with the best description. ___anaphylactic shock a. recognizes antigen ___immune memory b. inadequate immune response ___autoimmunity c general defense mechanism ___inflammation d. immune response against ones own body ___immune deficiency e. secondary response ___antigen receptor f. acute allergic reaction ___antigen processing g. presenting antigen together with MHC markers
Figure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8+. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.
In regard to antigen presentation, MHC class I molecules usually present peptides derived from _____, whereas MHC class II molecules usually present peptides derived from _____. a. intracellular cytosolic sources; vesicular system b. phagolysosome; proteasomes c. MIIC; self proteins d. CLIP; HLA-DM e. endocytic vesicles; endoplasmic reticulum.
What is the appropriate response when antigen is presented on MHC class II molecules?a) An effector CD8 cell should kill the presenting cell.b) An effector CD4 cell should kill the presenting cell.c) An effector CD8 cell should activate the presenting cell.d) An effector CD4 cell should activate the presenting cell.
Which of the following are TRUE of class I major histocompatibility complex (MHC) molecules? a. Class I MHC molecules present endogenous antigens. b. Class I MHC molecules are only present on erythrocyte surfaces. c. Class I MHC molecules bind complement. d. Class I MHC molecules present exogenous antigens.
Which of the following interactions will NOT provoke an immune response? A. Endogenous antigen + MHC Class I + TCR + CD 8+ B. Exogenous antigen + MHC Class II + TCR + CD 4+ C. Exogenous antigen + MHC Class II + BCR D. Endogenous antigen + MHC Class I + BCR
MHC class II proteins: A. present exogenous antigen to the immune system B. both are found on antigen presenting cells and present exogenous C. antigen to the immune system are found on antigen presenting cells
Describe the six steps in antigen processing and presentation via the class I MHC pathway.
Identify the cells that display MHC class I and MHC class IIproteins on their surfaces
What types of antigens are displayed by MHCclass I molecules? By MHC class II molecules?
What is MHC? List the specific cells that have MHC presentation and describe their role in the immune response.
What distinguishes MHC I from MHC II? a-aquisition of antigenic peptide in the cytoplasm b-cross-presentation of antigegn to CD4 T cells c- presentation of peptides to the T cell receptor d-binding of a B-amino acid peptide e- presentation of antigenic peptides to CD4 T cells