Which Statement About Rheumatoid Arthritis (RA) Is True

Multiple Choice

Which statement about rheumatoid arthritis (RA) is true?

A) Rheumatoid arthritis strikes different parts of the body unilaterally.
B) Patients with rheumatoid arthritis have no remissions and exacerbations.
C) Rheumatoid arthritis affects only joints.
D) It is considered an autoimmune disease, in which products from the inflamed lining of the joint invade and destroy the cartilage and bone within the joint.