A. Antitoxin
B. Adrenalin
C. Histamine
D. Epinephrine
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C. Histamine In case of allergy and urticaria, the local arterioles dilate due to increased substance from Mast. It is histamine.
C. Histamine
In case of allergy and urticaria, the local arterioles dilate due to increased substance from Mast. It is histamine.
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