A patient presents with poison ivy on extremities, face, and buttocks. This disease is an example of:
A) anaphylaxis.
B) serum sickness.
C) delayed hypersensitivity.
D) lysosomal disease.

Question

Quizplus · Accepted Answer

Poison ivy causes a type IV delayed hypersensitivity reaction, which typically presents as a rash on the skin. Anaphylaxis and serum sickness are type I hypersensitivity reactions, which occur immediately or within hours after exposure to an allergen. Lysosomal diseases are genetic disorders that affect the metabolism of lipids, carbohydrates, and proteins, and are unrelated to hypersensitivity reactions.

A Patient Presents with Poison Ivy on Extremities, Face, and Buttocks