<prompt> Heberden node denotes involvement of -Distal inetrphalangeal jointProximal interpbalangel jointMetacarpophalangeal jointMetatarsophalangeal joint  <response>: Ans. is a i.e., Distal inetrphalangeal joint o In osteoarthritis of hand : Distal interphalangeal joint Heberden s nodeProximal interphalangeal joint Bouchards node 