A 12-year old student develops allergic reaction on her ears after wearing new earrings. Her mother is concerned because she always have the same reaction when she wears any jewelry.

This allergic reaction is considered which type of hypersensitivity?

A- Type 1

B- Type ll

C- Type lll

D- Type lV




Answer:

This is most likely a case of contact dermatitis which is considered Type Vl hypersensitivity. It is delayed allergic reaction that is mediated by  T cell response.

The correct answer is D