Question

An _______________ is a foreign substance to which the body is exposed; an _______________ is a...

An _______________ is a foreign substance to which the body is exposed; an _______________ is a protein that the body produces in response.

antibody / antigen

antigen / allergen

antigen / antibody

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Answer #1

ANTIGENS ARE FOREIGN SUBSTANCES WHICH WHEN INTRODUCED IN BODY STIMULATES PRODUCTION OF ANTIBODY. ALLERGEN ARE ANTIGENIC SUBSTANCES WHICH WHEN INTRODUCED IN BODY LEADING TO HYPERSENSITIVITY REACTIONS.

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