Answered

An allergic reaction is created by repeated exposure to a chemical or a substance.

Select the correct response:
A. Sensitization
B. Impetigo
C. Anhidrosis
D. Conjunctivitis



Answer :

Final answer:

Allergic reactions are immune responses to allergens categorized as type I hypersensitivity.


Explanation:

Allergic reactions are immune responses to allergens. When a presensitized individual is exposed to an allergen, it can lead to a rapid immune response known as type I hypersensitivity. This reaction occurs upon subsequent exposure, where the immune system reacts more intensely.


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