Question

which of the following joint diseases is due to an autoimmune disorder in which an igm is produced that attacks igg immunoglobulins? it usually begins in small joints and may eventually lead to severe joint deformities.
rheumatoid arthritis
suppurative arthritis
gonococcal arthritis
tuberculous arthritis
ankylosing spondylitis

Explanation:

Rheumatoid arthritis is an autoimmune disorder where IgM (rheumatoid factor) attacks IgG. It often starts in small joints and can cause severe joint deformities. Suppurative arthritis is due to infection, gonococcal arthritis is related to Neisseria gonorrhoeae infection, tuberculous arthritis is caused by Mycobacterium tuberculosis, and ankylosing spondylitis mainly affects the spine and sacro - iliac joints with a different autoimmune and genetic background.

Answer:

Rheumatoid arthritis