Question

multiple choice question. what joint is typically not involved in ra until very late in the process, but is often the first joint involved with osteoarthritis (oa)? please select your answer. a metacarpophalangeal joint b proximal interphalangeal joint c distal interphalangeal joint

Explanation:

In rheumatoid arthritis (RA), the distal interphalangeal joint is typically not involved until late - stage disease, while it is often the first joint affected in osteoarthritis (OA).

Answer:

C. Distal interphalangeal joint