Which of the following secretions from mast c | vedclass

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(A) Allergies are exaggerated responses of the immune system to certain antigens present in the environment.When an allergen enters the body,it trigge

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Histamine

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(A) Allergies are exaggerated responses of the immune system to certain antigens present in the environment.When an allergen enters the body,it triggers the immune system to produce $IgE$ antibodies.These antibodies bind to the surface of mast cells.Upon subsequent exposure to the same allergen,the mast cells release chemicals such as $Histamine$ and $Serotonin$.$Histamine$ is the primary chemical responsible for the acute inflammatory response,including symptoms like sneezing,watery eyes,and difficulty breathing,which are characteristic of an allergic reaction.

Which of the following secretions from mast cells induces an acute response in an allergy?

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