Immunology of Allergy - BM5 RCR1

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

  • Having older siblings
  • Staying away from mud and dirt
  • Washing at least once a day with soap
  • Washing hair at least once a day with shampoo
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2. Which of the following descriptions is the most accurate of a Dendritic cell?

  • A specialized mononuclear antigen-presenting cell
  • A unspecialized mononuclear antigen-presenting cell
  • A specialized dinuclear antigen-presenting cell
  • A specialized mononuclear antigen-receiving cell

3. Activated Th2 cells secrete cytokines. What are the main roles of cytokines?

  • To induce apoptosis in epithelial cells
  • To regulate inflammation, proliferation and differentiation of inflammatory cells
  • To bind to bacterial/viral toxins and destory them
  • To bind to antigens and destroy them

4. From what are the key lipid mediators in inflammation derived?

  • LTB-4
  • Prostaglandin
  • Arachidonic acid
  • Citric Acid

5. Which of the following provides the best definition of allergy?

  • An abnormal nervous response to a common chemical agent
  • A normal nervous response to an obscure chemical agent
  • An abnormal immune response to a common environmental agent
  • A normal immune response to an obscure environmental agent

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