Question

Allergy in humans is a result of release of the following chemicals from the mast cells:

• A. Histamine and Serotonin
• B. Adrenaline and Acetylcholine
• C. Dopamine and Nor-adrenalin
• D. Endorphins and GABA

Hint:

Histamine and serotonin are released by mast cells during allergic reactions, causing inflammation and allergy symptoms.

Answer 1

The Correct Option is A

Mast cells play a central role in allergic reactions. On encountering allergens, they degranulate and release mediators like histamine and serotonin, which lead to symptoms like inflammation, itching, and swelling.