Question

A client is presenting an anaphylactic response to unknowingly ingesting nuts at a family celebration. what type of hypersensitivity did this client exhibit?

Answer 1

Type I, atopic or anaphylactic

Type I hypersensitivity is an immediate allergic reaction. It is caused by a reexposure to a foreign substance or an allergen--in this case, nuts. Allergens are antigens that was exposed to the client via ingestion. Antibody IgE mediates the anaphylactic repsonse.