Describe Hypersensitivities

Multiple Choice

Describe hypersensitivities.

A) Hypersensitivities are normal immune responses to an allergen,which is an antigen that triggers an allergic reaction.
B) Hypersensitivities are excessive immune responses to an allergen,which is an antigen that triggers an allergic reaction.
C) Hypersensitivities is a condition that results from the production of antibodies directed against normal antigens in the body.
D) Hypersensitivities are inadequate immune responses due to problems with embryonic development of lymphoid organs and tissues,a viral infection,or treatment with or exposure to immunosuppressive agents.
E) Hypersensitivities are the excessive immune reaction of antibodies to a virus-infected cell.