Term
Immunogenicity depends on:
a) host foreignness
b) tolerance
c) chemical simplicity
d) low-molecular-weight molecules |
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Definition
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Term
Which of the following are capable of forming clones?
a) helper T cells
b) cytotoxic T cells
c) B cells
d) both T and B cells |
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Definition
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Term
Which cells bind with MHC class I molecules?
a) helper T cells
b) cytotoxic T cells
c) B cells
d) both B and T cells |
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Definition
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Term
CD4 markers are associated with:
a) cytotoxic T cells
b) suppressor T cells
c) helper T cells
d) APCs |
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Definition
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Term
Antibodies are produced by:
a) B cells
b) T cells
c) helper cells
d) plasma cells
e) memory cells |
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Definition
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Term
The antibody class that has the highest concentration in the blood is:
a) IgA
b) IgD
c) IgE
d) IgG
e) IgM |
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Definition
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Term
Which of the following antibodies is matched with its appropriate role?
a) IgA/allergic reactions
b) IgD/found in respiratory secretions
c) IgE/found in gastric secretions
d) IgG/first to challenge the antigen
e) IgM/first to challenge the antigen |
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Definition
| e - IgM/first to challenge the antigen |
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Term
The primary immune response involves:
a) a rapid plasma cell response with peak antibody levels by 3 days
b) macrophage production of antibodies
c) T cell production of antibodies
d) a latent period followed by peak antibody production |
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Definition
| d - a latent period followed by peak antibody production |
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Term
The B cell receptor (BCR) complex consists of:
a) IgG or IgD antibody
b) IgE or IgD antibody
c) antibody-like transmembrane protein
d) antigen-recognition molecules |
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Definition
| d - antigen-recognition molecules |
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Term
Cytokines and their receptors function:
a) as intracellular chemical signals
b) as chemical signals between cells
c) as negative regulators of acquired immune responses
d) to decrease the production of proteins |
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Definition
| b - as chemical signals between cells |
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Term
Immunologic tolerance develops because:
a) self-reactive lymphocytes are eliminated in the primary lymphoid organs
b) self-reactive lymphocytes are inactivated in the secondary lymphoid organs
c) lymphocytes remember their first exposure to the antigen
d) T cells may reprogram themselves by receptor editing |
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Definition
| a - self-reactive lymphocytes are eliminated in the primary lymphoid organs |
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Term
Antigenic destruction/removal by humoral immunity requires:
a) cell membrane lysis
b) histamine
c) phagocytosis
d) bradykinin |
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Definition
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Term
Cytotoxic T cells:
a) inhibit extracellular viruses
b) inhibit virus-infected cells
c) inhibit viral protein synthesis
d) decrease expression of MHC molecules |
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Definition
| b - inhibit virus-infected cells |
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Term
Antibody is effective against:
a) extracellular viruses
b) virus-infected cells
c) viral protein synthesis
d) expression of MHC molecules |
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Definition
| a - extracellular viruses |
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Term
Adhesion molecule pairings involve:
a) cytotoxic T cell CD4 + MHC class II on APC
b) cytotoxic T cell CD8 + MHC class I on APC
c) helper T cell CD2 + CD58 on APC
d) helper T cell CD4OL + MHC class II on APC |
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Definition
| b - cytotoxic T cell CD8 + MHC class I on APC |
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Term
Transforming growth factor (TGF) functions to:
a) increase phagocytosis
b) increase expression of MHC class II
c) be chemotactic for neutrophils and T cells
d) stimulate wound healing |
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Definition
| d - stimulate wound healing |
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