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- Describe one example of a type IV delayed hypersensitivity reaction.Describe the process of desensitization that reduces the IgE response to an allergen.List two potentially life-threatening consequences of a Type I hypersensitivity reaction and explain what molecules are involved and how they work.
- Immunization to produce antibodies that would bind to FSH and negate its activity is being investigated as a potential male contraceptive. Men immunized in this manner would exhibit ____.Explain the phenomenon that represents N- acetylgalactosamine to O antigen to form A antigen.Describe and give one example of the following: Hypersensitivity Type IV
- Illustrate how latex agglutination works to bind C-reactive proteins to cause agglutinationDuring inflammaion, host tissue may be damaged owing to the release of toxic oxygen derivatives produced by activated phagocytes. List some of hese toxic species and explain what cellular/biochemical mechanisms limit these damaging off-target effects.• In what ways does the classical pathway of complementactivation differ from the mannose-binding lectin andalternative pathways?
- Write the main components of type 3 hypersensitivity reaction. Why phagocytic cells cannot phagocytize the formed complexes? And why are tissues damaged during the reaction?Type I (immediate) hypersensitivity A. is mediated by IgE B. is mediated by T lymphocytes C. both is mediated by IgE and involves degranulation of mast cells D. involves degranulation of mast cellsIdentify the mechanism used by phagocytes to inducepathogen killing.