The hypersensitivity reaction that does not involve antibody production is type
A) I.
B) II.
C) III.
D) IV.

Question

Quizplus · Accepted Answer

Type IV hypersensitivity reactions do not involve antibody production.The principal mediators are lymphocytes,including T helper cells (Th)that mediate the reaction by releasing lymphokines (cytokines)and/or antigen-sensitized cytotoxic T cells (Tc)that can directly kill cells.The other types involve antibody production.Type I involves IgE; type II involves IgM or IgG; type III involves IgG.

The Hypersensitivity Reaction That Does Not Involve Antibody Production Is