Answer:
Body's back part.
Explanation:
Anaphylactic reaction may be defined as the severe form of the allergic reactions. Epinephrine can be used to treat the anaphylactic shock in the emergency reaction.
A small amount of the antigen is applied on the scartch in the scratch test. The back of the body is most sensitive to the allergens in the anaphlyactic reactions of the body.
Thus, the answer is body's back part.
