9273365
Descripción
Test por Marissa Alvarez, actualizado hace más de 1 año
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Creado por Marissa Alvarez
hace más de 7 años
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Pregunta 1
Pregunta
In lab you performed two different ELISAs, the Rapid Strep Test was an example of a(n) ______________ ELISA; and the test using a mock “patient serum” as the sample was a(n) _____________ ELISA.
Respuesta
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direct; direct
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indirect; indirect
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indirect; direct
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direct; indirect
Pregunta 2
Pregunta
People with Group O blood
Respuesta
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are universal blood donors
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are universal blood recipients
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are always Rh-positive
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are always Rh-negative
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have A &B antigens on their RBC
Pregunta 3
Pregunta
In an indirect ELISA, you are measuring the patient’s
Respuesta
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specific antigen levels
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antibody levels to a specific antigen
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total white blood cell count
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total red blood cell count
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total lymphocyte count
Pregunta 4
Pregunta
T cells can only recognize
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denatured antigen on the cell surface
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antigens in their native conformation on the cell surface
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peptide fragments of antigens associated with antibody on the cell surface
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peptide fragments of antigens associated with complement components
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peptide fragments of antigens associated with MHC
Pregunta 5
Pregunta
All of the following are associated with non-specific (innate) immunity except
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macrophages
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complement
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neutrophils (PMN)
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T lymphocytes
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lysozyme
Pregunta 6
Pregunta
The common component in all 3 complement systems is:
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C1
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C2
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C3
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C4
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C1q
Pregunta 7
Pregunta
Antibodies can do all of the following except
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agglutinate antigens
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recognize intact antigens
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neutralize toxins
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precipitate intracellular antigens
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fix complement
Pregunta 8
Pregunta
Which of the following cells is involved in recognition of antigen in the context of MHC class II?
Respuesta
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CD4+ cell
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CD8+ cell
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Mature B cell
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Plasma cell
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Natural killer (NK) cell
Pregunta 9
Pregunta
The most important cause of organ transplant rejection is because of incompatibility between donor and host
Respuesta
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Innate immunity
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HLA antigens
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Rh blood group antigens
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B-lymphocytes
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reason for rejection is not known
Pregunta 10
Pregunta
Foreign substances that elicit an immune response are collectively termed:
Respuesta
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aliens
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antigens
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antibodies
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viruses
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bacteria
Pregunta 11
Pregunta
Antibodies prevent infections by ingested and inhaled microbes. What is the predominant antibody in mucosal surfaces?
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IgG
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IgM
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IgE
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IgA
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IgD
Pregunta 12
Pregunta
Which of the following statements about primary and secondary immunodeficiencies is true?
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primary immunodeficiencies are genetically based
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secondary immunodeficiencies can be pathogen induced
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primary immunodeficiencies may be treated with stem cell transplantation
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secondary immunodeficiencies may be drug induced
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all the above
Pregunta 13
Pregunta
Immunity to intracellular bacteria that reside in the cytoplasm of a host cell is mediated primarily by:
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B cells
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NK cells
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Dendritic Cells
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CD4+ T cells
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CD8+ T cells
Pregunta 14
Pregunta
A consequence of missing or flawed recombination activation genes (RAG) would be?
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DiGeorge syndrome
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Chronic granulomatous disease (CGD)
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Bare lymphocyte syndrome
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Severe combined immunodeficiency (SCID)
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