Multiple connective tissue disorder not associated with ?

Ans. is 'd' i.e., Sjogren's syndromeMixed connective tissue disorder :?The term mixed connective tissue disease is used to describe a disease with clinical features that are a mixture of the features of SLE, systemic sclerosis, and Polymyositis.The disease is characterized serologically by high titers of antibodies to ribonucleoprotein paicle-containing Ul ribonucleoprotein.Typically, mixed connective tissue disease presents with synovitis of the fingers, Raynaud phenomenon and mild myositis, but renal involvement is modest and there is a good response to coicosteroids, at least in the sho term.Serious complications of mixed connective tissue disease include pulmonary hypeension, interstitial lung disease, and renal disease.