Anti Ul-RNP antibody is seen in?
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)
SLE
Scleroderma
MCTD
Derniatomyositis