Immunology of Allergy - BM5 RCR1

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1. Which of the following can help to protect against the Th2 phenotype?

  • Staying away from mud and dirt
  • Washing at least once a day with soap
  • Having older siblings
  • Washing hair at least once a day with shampoo
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2. Which of the following cell sare recognised as being largely responsible for allergies?

  • B cells
  • Th2 cells
  • Plasma Cells
  • Cytotoxic T cells

3. What is the plasma half life of IgE?

  • 24-48 hours
  • 5-7 days
  • 2-3 days
  • 1-2 hours

4. Which of the following can aid the access of allergens to tissues?

  • Large antibodies
  • A viral infection
  • Very hot antigens on the allergen surface
  • Ciliated epithelial cells

5. Once IgE has bound to FC-epsilon-R1, what is it's half life?

  • 2-3 years
  • 2-3 weeks
  • 2-3 months
  • 2-3 days

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