Which of the following statements about type IV reactions is FALSE?
A) Reactions are primarily due to T cell proliferation.
B) Allergic contact dermatitis is an example.
C) Reactions are not apparent for a day or more.
D) Cytokines initiate tissue damage.
E) Hemolytic disease of the newborn is an example.

Question

Quizplus · Accepted Answer

Type IV reactions are delayed-type hypersensitivity reactions mediated by T cells, not antibodies, and hemolytic disease of the newborn is an antibody-mediated (Type II) hypersensitivity reaction.

Which of the Following Statements About Type IV Reactions Is