what is the mechanism in type ii hypersensitivity reactions? a. antibodies bind to soluble antigens that were released into body fluids and the immune complexes are deposited in the tissues. b. antibodies coat mast cells by binding to receptors that signal its degranulation followed by discharge of preformed mediators. c. antibodies bind to the antigens on the cell surface. d. cytotoxic t lymphocytes or lymphokines-producing th1 cells attack and destroy cellular targets directly.

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06-12-2022
Biology

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what is the mechanism in type ii hypersensitivity reactions? a. antibodies bind to soluble antigens that were released into body fluids and the immune complexes are deposited in the tissues. b. antibodies coat mast cells by binding to receptors that signal its degranulation followed by discharge of preformed mediators. c. antibodies bind to the antigens on the cell surface. d. cytotoxic t lymphocytes or lymphokines-producing th1 cells attack and destroy cellular targets directly.

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contexto1026 contexto1026 · Answer 1 · 2022-12-09T05:57:49-05:00

Cells are coated with antibodies when they attach to receptors that indicate their degranulation and release of mediators that have already been produced. Option (b) is Correct.

The production of antibodies against the soluble antigen is mediated by immunoglobulin E (IgE), and is referred to as type I hypersensitivity or an instantaneous reaction. This activity examines the diagnosis, treatment, and involvement of interprofessional teams in the care of individuals with type I hypersensitivity. The immune system is essential for keeping the body healthy and defending against microbial invasions.

The same system, meanwhile, can also result in heightened immunological and inflammatory reactions, which have negative effects known as hypersensitive reactions. Type I, Type II, Type III, and Type IV reactions are the four conventional categories for hypersensitivity reactions. A more recent classification that divides the reactions into seven categories and takes into account various immune system components was developed by Sell et al. However, the traditional Type I hypersensitivity reactions will be the main topic of this essay.

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