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Questions and Answers
Which cells are activated in individuals prone to allergies?
Which cells are activated in individuals prone to allergies?
- Th1 cells
- NK cells
- B cells
- Tfh cells (correct)
What is the consequence of the activation of Th2 and IL-4-secreting Tfh cells in response to protein antigens or chemicals that bind to proteins?
What is the consequence of the activation of Th2 and IL-4-secreting Tfh cells in response to protein antigens or chemicals that bind to proteins?
- Delayed hypersensitivity
- Immediate hypersensitivity (correct)
- Humoral immunity
- Cell-mediated immunity
What is the role of IL-4 and IL-13 secreted by Th2 cells in allergic reactions?
What is the role of IL-4 and IL-13 secreted by Th2 cells in allergic reactions?
- Promote eosinophilic inflammation
- Increase mucus secretions
- Induce tissue motility
- Stimulate B lymphocytes to switch to IgE-producing plasma cells (correct)
Which cells are responsible for inflammation and eosinophil activation at peripheral sites of allergic reactions?
Which cells are responsible for inflammation and eosinophil activation at peripheral sites of allergic reactions?
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Which cells are primarily involved in isotype switching to IgE in lymphoid organs?
Which cells are primarily involved in isotype switching to IgE in lymphoid organs?
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Which cells migrate to peripheral tissues, while others remain in secondary lymphoid organs?
Which cells migrate to peripheral tissues, while others remain in secondary lymphoid organs?
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Which type of cells have a strong genetic basis for the propensity to differentiate into IL-4 and IL-5 producing cells?
Which type of cells have a strong genetic basis for the propensity to differentiate into IL-4 and IL-5 producing cells?
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