An Office Worker Takes a Cupcake That Contains Peanut Butter

An office worker takes a cupcake that contains peanut butter. He begins wheezing, with an inspiratory stridor and air hunger and the occupational health nurse is called to the office. The nurse should recognize that the worker is likely suffering from which type of hypersensitivity?

A) Anaphylactic (type 1)
B) Cytotoxic (type II)
C) Immune complex (type III)
D) Delayed-type (type IV)