In rheumatoid arthritis, IgM, IgG, and complement deposit in joints. This is an example of
A) cytotoxic autoimmunity.
B) immunosuppression.
C) immune complex autoimmunity.
D) acquired immunodeficiency.
E) cell- mediated autoimmunity.

Question

Quizplus · Accepted Answer

The deposition of IgM, IgG, and complement in joints in rheumatoid arthritis is an example of immune complex autoimmunity. This type of autoimmunity occurs when antibodies bind to self-antigens to form immune complexes, which then deposit in various tissues and trigger inflammation and tissue damage.

In Rheumatoid Arthritis, IgM, IgG, and Complement Deposit in Joints