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Questions and Answers
Which effector mechanisms produce Type I hypersensitivity reactions?
Which effector mechanisms produce Type I hypersensitivity reactions?
- Neutrophils secreting cytokines
- IgE antibodies binding to FcRI receptors (correct)
- IgG antibodies binding to FcRI receptors
- Effector T cells binding to mast cells
Which cells are involved in Type I hypersensitivity?
Which cells are involved in Type I hypersensitivity?
- Neutrophils and macrophages
- B cells and T cells
- Dendritic cells and NK cells
- Mast cells, eosinophils, and basophils (correct)
What is the role of mast cells in innate immunity?
What is the role of mast cells in innate immunity?
- Producing IgE antibodies
- Phagocytosing pathogens
- Secreting cytokines to recruit neutrophils and effector T cells (correct)
- Activating complement system
Which antibody has an exceptionally high affinity to FcRI receptors?
Which antibody has an exceptionally high affinity to FcRI receptors?
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How do mast cells become operational in Type I hypersensitivity reactions?
How do mast cells become operational in Type I hypersensitivity reactions?
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Which receptors are expressed by mast cells, basophils, and eosinophils in Type I hypersensitivity?
Which receptors are expressed by mast cells, basophils, and eosinophils in Type I hypersensitivity?
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Which statement about Type I hypersensitivity is correct?
Which statement about Type I hypersensitivity is correct?
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What is the function of FcRI receptors in Type I hypersensitivity?
What is the function of FcRI receptors in Type I hypersensitivity?
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Which of the following statements about hypersensitivity reactions is accurate?
Which of the following statements about hypersensitivity reactions is accurate?
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