5616717
Descrição
Quiz por Med Student , atualizado more than 1 year ago
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Criado por Med Student
mais de 8 anos atrás
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Questão 1
Questão
MHC class 1 mol. are associated with
Responda
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Tc cell interaction with virally infected host cells
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Th cell interaction with antigen-presenting cells
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B cell interaction with antigen-presenting cells
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B cell interaction with Th cells
Questão 2
Questão
The characteristics of antigen are:
Responda
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foreign origin
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non immunogenicity
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specificity
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antigenicity
Questão 3
Questão
Allergic urticarial is a manifestation of:
Responda
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an IgE-mediated disorder
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delayed hypersensitivity
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an immune complex-mediated disorder
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Tc cells
Questão 4
Questão
Which of the following are considered to be privileged tissues for grafting:
Responda
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cornea
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bone marrow
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fetus
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bone
Questão 5
Questão
Which Ab class is abundant in body secretions?
Responda
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IgA
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IgD
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IgE
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IgG
Questão 6
Questão
Inflammation:
Responda
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aids in temporary repair at an injury site
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slows the spread of pathogens
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facilitates permanent repair
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all of the above
Questão 7
Questão
Which of the following is NOT part of the body’s non-specific defense system?
Responda
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inflammation
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phagocytosis by neutrophils
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phagocytosis by macrophages
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antibodies
Questão 8
Questão
IL-2, produced by Th cells:
Responda
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activates macrophages
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stimulates Tc cells
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causes phagocytosis
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activates antigen-presenting cells
Questão 9
Questão
The specificity of an antibody is due to:
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the heavy chains
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the light chains
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the constant regions of the heavy and light chains
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the variable regions of the heavy and light chains
Questão 10
Questão
Which of the following are the effects of complement activation?
Responda
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bacterial cell lysis
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opsonization
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increased phagocytic activity
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interference with viral replication
Questão 11
Questão
Cytokines are soluble mediators of immune reactions.
Responda
- True
- False
Questão 12
Questão
Lymphocytes are large agranulocytes.
Responda
- True
- False
Questão 13
Questão
Interferon is produced by viruses.
Responda
- True
- False
Questão 14
Questão
T cells originate from stem cells in the bone marrow.
Responda
- True
- False
Questão 15
Questão
B cells recognize the Ag in a processed from.
Responda
- True
- False
Questão 16
Questão
Protooncogenes are mutated genes.
Responda
- True
- False
Questão 17
Questão
Tumor-specific antigens are non-immunogenic.
Responda
- True
- False
Questão 18
Questão
Tumor-associated antigens are typical of tumor cells only.
Responda
- True
- False
Questão 19
Questão
Follicular dendritic cells are APC.
Responda
- True
- False
Questão 20
Questão
Abs exert direct cytolysis.
Responda
- True
- False
Questão 21
Responda
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MHC 2
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Plasma Membrane
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Cytoplasm
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