Exam 15: Adaptive, Specific Immunity and Immunization

A) immune responses to antigen occur.
B) blood stem cells give rise to immature lymphocytes.
C) antigen is filtered from the blood.
D) antigen is filtered from tissue fluid.
E) T lymphocytes complete maturation.

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A) destroy clones of lymphocytes able to react to self molecules.
B) slow down the primary immune response to an antigen.
C) slow down the secondary immune response to an antigen.
D) limit the number of lymphocyte clones an individual has in order to make the system more efficient.
E) slow down the immune system in the elderly.

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A) T_C
B) T_H
C) CD4
D) MHC

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A) inoculation of dried pus from smallpox pustules into a person to stimulate immunity.
B) development of passive immunotherapy.
C) development of an immunization to protect people against cowpox.
D) immunization using a related, less pathogenic organism to give protection against a more pathogenic one.
E) All of the choices are correct.

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The major histocompatibility complex (MH...

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A) certain secreted complement components.
B) self receptors recognized by natural killer cells.
C) all HLA antigens.
D) receptors located primarily on macrophages, dendritic cells, and B cells.
E) all of the choices are correct.

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A) include dendritic cells.
B) include macrophages.
C) engulf and modify antigen to be more immunogenic.
D) hold and present processed antigen on their cell membrane surface.
E) All of the choices are correct.

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A) it has 10 antigen binding sites.
B) it contains a central J chain.
C) it is the first class synthesized by a plasma cell.
D) it can fix complement.
E) it is a dimer.

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A) two identical heavy polypeptide chains.
B) two identical light polypeptide chains.
C) disulfide bonds between polypeptide chains.
D) four antigen binding sites.
E) a variable and constant region on each polypeptide chain.

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A) chickenpox infection is followed by lifelong immunity.
B) chickenpox vaccine triggers extended immunity to chickenpox.
C) giving a person immune serum globulins to chickenpox virus after exposure to the disease.
D) a fetus acquiring maternal IgG to the chickenpox virus across the placenta.
E) None of the choices are correct.

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A) possess MHC antigens for recognizing self.
B) have membrane receptors that recognize foreign antigens.
C) gain tolerance to self by destruction of lymphocytes that could react against self.
D) develop into clones of B and T cells with extreme variations of specificity.
E) all of the choices are correct.

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A) IgA.
B) IgD.
C) IgE.
D) IgG
E) IgM.

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A) asthma.
B) Chron's disease.
C) breast cancer.
D) respiratory syncytial virus.
E) All of the choices are correct.

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A) helper T cells
B) suppressor T cells
C) cytotoxic T cells
D) delayed hypersensitivity T cells
E) natural killer (NK) cells

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A) chickenpox infection is followed by lifelong immunity.
B) chickenpox vaccine triggers extended immunity to chickenpox.
C) giving a person immune serum globulins to chickenpox virus after exposure to the disease.
D) a fetus acquiring maternal IgG to the chickenpox virus across the placenta.
E) None of the choices are correct.

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A) T-cells
B) B-cells
C) Bacterial cells
D) Viral components
E) Neutrophils

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