Heberden's Ahropathy affects:: (A) Lumbar spine, (B) Symmetrically large joints, (C) Sacroiliac joints, (D) Distal interphalangeal joints
Answer is D. Heberden's node is a disfigurement of the interphalangeal joints as a result of severe osteoahritis. Ref:Harrison's Principles of Internal Medicine, 16th Edition, Pages 2037, 2040