Ahritis involving DIP, PIP, 1st carpometacarpal with sparing of MCP and wrist joints is typical of ?

Surgery

Ahritis involving DIP, PIP, 1st carpometacarpal with sparing of MCP and wrist joints is typical of ?

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?