HYPERSENSITIVITY
CLASSICAL ALTERNATE AND LECTIN PATHWAYS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type I hypersensitivity is a common type of atopy on the rise, often water-soluble glycoproteins stable to heat, acid, and proteases?
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systemic anaphylaxis
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localized reaction
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food allergies
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None of the above
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Explanation:
Detailed explanation-1: -Immunologic contact urticaria is a type 1 hypersensitivity reaction mediated by IgE antibodies specific to the eliciting substance or antigen. Once the IgE antibody binds to the antigen, vasoactive substances such as leukotrienes, prostaglandins, and histamine are released by mastocytes and basophils.
Detailed explanation-2: -It causes skin allergies (wheel), Hay fever, allergic rhinitis, asthma, atopic conjunctivitis, and urticaria.
Detailed explanation-3: -Type four hypersensitivity reaction is a cell-mediated reaction that can occur in response to contact with certain allergens resulting in what is called contact dermatitis or in response to some diagnostic procedures as in the tuberculin skin test.
There is 1 question to complete.