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Which of the following mediators is not released during early phase reactions of type 1 hypersensitivity:
A) PGS
B) ECF-A
C) Proteases
D) TNF Alpha
Which of the following clinical manifestations is not related to type 4 hypersensitivity?
A) Arthus
B) Granulomas
C)Chronic dermatitis
D)Non of the above
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?
A)Mast cells
B) B cells
C) TH1
d) TH2
Which of the following vaccines strongly stimulate cell mediated immunity?
A) Recombinant vector vaccine
B) Recombinant vaccine
C) Anti idiotype Ab vaccine
D) Toxoid vaccine
Attenuation of microbes occurs by:
A) Exposure to heat
B) Formaldehyde
C) Subcultures
D) Non of the above
People with neutrophil deficiency are more susceptible to infection by:
A) Fungi
B) ICB
C) ECB
D) Parasites
Which of the following is a mechanism of evasion of IR regarding viruses:
A) Production of inhibitory protein similar to IL10
B) Disruption of phagosome
C) inhibition of Treg cell
d) Inactivation of N2 & O2 metabolites
Which of the following cytokines stimulate eosinophils
A) IL-2
B) IL-12
C) IL-5
D) IL-13
which of the following cytokines stimulate immature T and B Cells
A) IL-3
B) IL-7
C) IFN ALPHA
D) CSF
The cytokine(s) responsible for production of IGE is/are:
A)IL-13
B) IL-6
C) IL-4
D) A AND C