<prompt> Anti Ul-RNP antibody is seen in?SLESclerodermaMCTDDerniatomyositis  <response>: Ans. is c i.e., MCTDo Mixed connective tissue disease MCTD is characterized serologically by high titers of antibodies to ribonucleoprotein paicle-containing Ul ribonucleoprotein Anti-Ul RNP 