immunology: cytokines to hypersensitivity

Description

microbiology
atbaa2020
Quiz by atbaa2020, updated more than 1 year ago
atbaa2020
Created by atbaa2020 over 8 years ago
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Resource summary

Question 1

Question
Which of the following mediators is not released during early phase reactions of type 1 hypersensitivity:
Answer
  • A) PGS
  • B) ECF-A
  • C) Proteases
  • D) TNF Alpha

Question 2

Question
Which of the following clinical manifestations is not related to type 4 hypersensitivity?
Answer
  • A) Arthus
  • B) Granulomas
  • C)Chronic dermatitis
  • D)Non of the above

Question 3

Question
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?
Answer
  • A)Mast cells
  • B) B cells
  • C) TH1
  • d) TH2

Question 4

Question
Which of the following vaccines strongly stimulate cell mediated immunity?
Answer
  • A) Recombinant vector vaccine
  • B) Recombinant vaccine
  • C) Anti idiotype Ab vaccine
  • D) Toxoid vaccine

Question 5

Question
Attenuation of microbes occurs by:
Answer
  • A) Exposure to heat
  • B) Formaldehyde
  • C) Subcultures
  • D) Non of the above

Question 6

Question
People with neutrophil deficiency are more susceptible to infection by:
Answer
  • A) Fungi
  • B) ICB
  • C) ECB
  • D) Parasites

Question 7

Question
Which of the following is a mechanism of evasion of IR regarding viruses:
Answer
  • A) Production of inhibitory protein similar to IL10
  • B) Disruption of phagosome
  • C) inhibition of Treg cell
  • d) Inactivation of N2 & O2 metabolites

Question 8

Question
Which of the following cytokines stimulate eosinophils
Answer
  • A) IL-2
  • B) IL-12
  • C) IL-5
  • D) IL-13

Question 9

Question
which of the following cytokines stimulate immature T and B Cells
Answer
  • A) IL-3
  • B) IL-7
  • C) IFN ALPHA
  • D) CSF

Question 10

Question
The cytokine(s) responsible for production of IGE is/are:
Answer
  • A)IL-13
  • B) IL-6
  • C) IL-4
  • D) A AND C
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