Roitt's Essential Immunology

Thirteenth Edition

Peter J. Delves, Seamus J. Martin, Dennis R. Burton, Ivan M. Roitt

Single Best Answer Questions

Chapter 15, Question 1.

1. The single best description of an allergen is that it is:

A A type of antigen involved in type III hypersensivity

B A molecule recognized by antibody

C A molecule capable of activating B lymphocytes

D A molecule that binds to antibodies sensitizing the surface of mast cells

E A type of antigen involved in type II hypersensivity