An agricultural worker experiences difficulty breathing which becomes progressively worse. Tests show inflammation and damage of the lung tissue, but IgE antibodies and granulocytes are in the normal ranges. With which disorder of the immune system are these signs and symptoms consistent?
A) allergic reaction
B) type III (immune complex-mediated) hypersensitivity
C) type IV (delayed) hypersensitivity
D) autoimmunity
E) acquired immunodeficiency

Question

Quizplus · Accepted Answer

The symptoms and test results described are consistent with type III (immune complex-mediated) hypersensitivity, which involves immune complex deposition that can lead to inflammation and tissue damage without the involvement of IgE antibodies or granulocytes.

An Agricultural Worker Experiences Difficulty Breathing Which Becomes Progressively Worse