4022918
Pregunta 1
Pregunta
Which of the following mediators is not released during early phase reactions of type 1 hypersensitivity:
Respuesta
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A) PGS
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B) ECF-A
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C) Proteases
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D) TNF Alpha
Pregunta 2
Pregunta
Which of the following clinical manifestations is not related to type 4 hypersensitivity?
Respuesta
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A) Arthus
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B) Granulomas
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C)Chronic dermatitis
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D)Non of the above
Pregunta 3
Pregunta
A 34 year old man presents with fever, cough and night sweats . Tuberclosis was suspected and after injection of PPD, skin reaction showed erythema and induration at the site of injection within 2 days. Which cell type is 1ry responsible for this reaction?
Respuesta
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A)Mast cells
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B) B cells
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C) TH1
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d) TH2
Pregunta 4
Pregunta
Which of the following vaccines strongly stimulate cell mediated immunity?
Respuesta
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A) Recombinant vector vaccine
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B) Recombinant vaccine
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C) Anti idiotype Ab vaccine
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D) Toxoid vaccine
Pregunta 5
Pregunta
Attenuation of microbes occurs by:
Respuesta
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A) Exposure to heat
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B) Formaldehyde
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C) Subcultures
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D) Non of the above
Pregunta 6
Pregunta
People with neutrophil deficiency are more susceptible to infection by:
Respuesta
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A) Fungi
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B) ICB
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C) ECB
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D) Parasites
Pregunta 7
Pregunta
Which of the following is a mechanism of evasion of IR regarding viruses:
Respuesta
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A) Production of inhibitory protein similar to IL10
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B) Disruption of phagosome
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C) inhibition of Treg cell
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d) Inactivation of N2 & O2 metabolites
Pregunta 8
Pregunta
Which of the following cytokines stimulate eosinophils
Respuesta
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A) IL-2
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B) IL-12
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C) IL-5
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D) IL-13
Pregunta 9
Pregunta
which of the following cytokines stimulate immature T and B Cells
Respuesta
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A) IL-3
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B) IL-7
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C) IFN ALPHA
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D) CSF
Pregunta 10
Pregunta
The cytokine(s) responsible for production of IGE is/are:
Respuesta
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A)IL-13
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B) IL-6
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C) IL-4
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D) A AND C
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