5616717
Beschreibung
Quiz von Med Student , aktualisiert more than 1 year ago
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Erstellt von Med Student
vor etwa 8 Jahre
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Frage 1
Frage
MHC class 1 mol. are associated with
Antworten
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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
Frage 2
Frage
The characteristics of antigen are:
Antworten
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foreign origin
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non immunogenicity
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specificity
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antigenicity
Frage 3
Frage
Allergic urticarial is a manifestation of:
Antworten
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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
Frage 4
Frage
Which of the following are considered to be privileged tissues for grafting:
Antworten
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cornea
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bone marrow
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fetus
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bone
Frage 5
Frage
Which Ab class is abundant in body secretions?
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IgA
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IgD
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IgE
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IgG
Frage 6
Frage
Inflammation:
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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
Frage 7
Frage
Which of the following is NOT part of the body’s non-specific defense system?
Antworten
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inflammation
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phagocytosis by neutrophils
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phagocytosis by macrophages
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antibodies
Frage 8
Frage
IL-2, produced by Th cells:
Antworten
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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
Frage 9
Frage
The specificity of an antibody is due to:
Antworten
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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
Frage 10
Frage
Which of the following are the effects of complement activation?
Antworten
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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
Frage 11
Frage
Cytokines are soluble mediators of immune reactions.
Antworten
- True
- False
Frage 12
Frage
Lymphocytes are large agranulocytes.
Antworten
- True
- False
Frage 13
Frage
Interferon is produced by viruses.
Antworten
- True
- False
Frage 14
Frage
T cells originate from stem cells in the bone marrow.
Antworten
- True
- False
Frage 15
Frage
B cells recognize the Ag in a processed from.
Antworten
- True
- False
Frage 16
Frage
Protooncogenes are mutated genes.
Antworten
- True
- False
Frage 17
Frage
Tumor-specific antigens are non-immunogenic.
Antworten
- True
- False
Frage 18
Frage
Tumor-associated antigens are typical of tumor cells only.
Antworten
- True
- False
Frage 19
Frage
Follicular dendritic cells are APC.
Antworten
- True
- False
Frage 20
Frage
Abs exert direct cytolysis.
Antworten
- True
- False
Frage 21
Antworten
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MHC 2
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Plasma Membrane
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Cytoplasm
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