A patient has been experiencing severe, persistent allergy symptoms that are reduced when she takes an antihistamine. Before the treatment, this patient was likely to have had increased activity of which leukocyte?

answer:

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explanation:

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keratin.

collagen.

elastin.

Explanation:

Elastin and collagen are found in the dermis and are produced by fibroblasts, are responsible for giving firmness, strength and elasticity to the skin.

Keratin is in the epidermis, this protein helps to preserve or recover the elasticity and firmness of the skin, also helps in cell regeneration and support the tissue where it accumulates.