This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rheumatoid Arthritis, Subject name: Orthopaedics
Pain and arthritis of distal interphalangeal joint is seen in - 
Select and explain. 
A. Osteoarthritis, B. Rheumatoid Arthritis, C. Ankylosing spondylitis, D. Dequervain's disease
A: Osteoarthritis
Answer: A: Osteoarthritis 
Explanation: Ans. is 'a' i.e., Osteoarthritis JointImportant arthritis involving the jointDistal interphalangeal jointProximal interphalangeal jointMetacarpophalangeal joint1st Carpometacarpal jointWristOsteoarthritis, Psoriatic arthritis, Reactive arthritisOsteoarthritis, RA, SLE, Psoriatic arthritisRA, pseudogout, hemochromatosisOsteoarthritisRA, Pseudogout, gonococcal arthritis, juvenile arthritisSpared jointo Wrist and MTPo DIPOsteoarthritisRA