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प्रश्न
During an allergic reaction, the binding of antigen to IgE antibodies initiates release of ______.
विकल्प
Interferon
Histamine
Heparin
Acetylamine
MCQ
रिक्त स्थान भरें
उत्तर
During an allergic reaction, the binding of antigen to IgE antibodies initiates release of histamine.
Explanation:
During an allergic reaction, antigens bind to IgE antibodies on mast cell or basophil surfaces, causing histamine to be released. Histamine is a substance that causes allergic symptoms such as itching, swelling, and increased blood vessel permeability.
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