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 of hypersensitivity reaction is known as a delayed hypersensitivity reaction?
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Type I
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Type II
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Type III
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Type IV
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Explanation:
Detailed explanation-1: -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.
Detailed explanation-2: -Delayed hypersensitivity (also known as a Type-IV hypersensitivity reaction) is an immunologic reaction that is mediated primarily by T cells and monocytes and presents hours to days after the antigen crosses into the skin.
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