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28 Cards in this Set
- Front
- Back
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Which of these characteristics is not a major factor in adaptive or acquired immunity?
a. specificity b. chemotaxis c. recognition d. memory |
Chemotaxis is not a characteristic of acquired or adaptive immunity
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The primary B-cell receptor is....
a. IgD b. IgA c. IgE d. IgG |
The primary B-cell receptor is IgD
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Small cimple molecules are ___ antigens.
a. poor b. never c. effective d. mosaic |
Small cimple molecules are poor antigens
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Which type of cell actually secretes antibodies?
a. T Cell b. Macrophages c. Plasma celss d. Monocytes |
Plasma cells secrete anitbodies
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In humans, Bcells mature in the _____and T cells mature in the ______.
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The B cells mature in the bone marrow and T cells mature in the Thymus
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The CD4 cells are ____ cells and CD8 cells are ____cells.
a. killer, supressor b. helper, cytotoxic c. cytotoxic, helper d. B, T |
CD4 cells are helper cells and CD8 cells are cytotoxic cells
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Helper T cells receive antigen form ___, and cytotoxic T cells receive antigen from ____.
a. macrophages, b cells b. class II MC, class I MHC c. viruses and bacteria d. class I MHC, class II MHC |
Helper T cells receive antigen from class II MHC, and cytotoxic T cells receive antigen from class I MHC
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The cross-linkage of antigens by antibodies is found in the ____ fraction of the serum
a. gamma globulin b. albumin c. beta globulin d. alpha globulin |
the greatest concentration of anitbodies is found in the gamma globulin fraction of the serum.
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T ____ cells assist in the functions of certain B cells and other T cells.
a. sensitized b. cytotoxic c. helper d. natural killer cells |
T-helper cells assist in the functions of certain B cells and other T cells
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Cytotoxic T cells are important in controlling
a. Virus infection b. Allergy c. Autoimmune d. all of these |
Virus infection
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Vaccination is synonymous with ___ immunity
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Artificial active
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Which of the following can serve as antigen presenting cells (APC)?
a. T cells b. B cells c. dendritic cells d. macrophages e. b, c, d, |
B cells, Macrophages, and dendritic cells can serve as antigen-presenting cells (APC)
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What does APC stand for?
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Antigen-Presenting Cells
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a living microbe with reduced virulence that is used for vccination is considered _______.
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Attenuated
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A vaccine that contains parts of viruses is called ______
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Subunit
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Widespread immunity that protects the population from the spread of disease is called.
a. seropositivity b. cross-reactivity c. epidemic prophylaxis d. herd immunity |
Herd immunity
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DNA vaccines contain ____DNA that stimulates cells to make _____ anitgens.
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DNA Vaccines contains microbial DNA that stimulates cells to make protein anitgens
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What is the purpose of an adjuvant?
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The purpose of adjuvant is to improve the contact between the antigen and lymphocytes
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Which immuno globulin is found in mucus secretions?
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IgA
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Which immuno globulin(s) is/are a monomer
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IgG, IgD, IgE
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What immunoglobulin(s) is a dimer?
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IgA
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Which immunoglobulin has the greatest number of Fabs?
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IgM
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Which immunoglobulin is the first anitbody made during the primary response?
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IgM
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Which immunoglobulin is the first to be made during the secondary response?
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IgG
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What immunoglobulin(s) cross the placenta?
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IgG
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Which immunoglobulins fixes complement?
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IgM, IgG
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Which immunoglobulin is involved in allergic reactions?
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IgE
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Which immunoglobulin is primarily a surface receDptor on B cells?
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Ig
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