Most common form of arthritis – Medicine MCQ

Most common form of arthritis is?
A. Rheumatoid arthritis
B. Psoriatic arthritis
C. Seronegative arthritis
D. Osteoarthritis

Correct answer : D. Osteoarthritis

 Heberden's node in osteoarthritisHeberden’s node (on the index finger of right hand) in a case of osteoarthritis.

Osteoarthritis is the most common form of arthritis. It affects up to 80% of individuals older than 75 years.

Ref: Davidson’s Principles and Practice of Medicine, 22nd Edition, p1060

Image credits: Drahreg01 via http://en.wikipedia.org/wiki/File:Heberden-Arthrose.JPG; licensed under Creative Commons Attribution-Share Alike 3.0 Unported license.