Which of the following cell actively participates in dermatitis?
A
B cell
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B
T cell
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C
Monocytes
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D
Stem cells
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Solution
The correct option is B T cell
Dermatitis due to allergy is an example of a cell-mediated hypersensitivity reaction in the skin. This happens due to xenobiotic chemicals penetrating into the skin that react with self-proteins resulting in a hapten-specific immune response. This localized immune response leads to allergic signs and symptoms such as redness, edema, warmth and pain. T-cells are critical effectors for this allergic reaction. Thus the correct answer is option B.