Which of the following is not a seronegativespondyloahropathy -

Ans. is 'c' i.e., RA Seronegative spondyloaropathies The seronegative spondyloahropathies are a group of disorders that share ceain clinical features and genetic associations. The word seronegative referres to the absence of rheumatoid factor in this group of disorders. The seronegative spondyloahropathies include ? Ankylosing spondylitis Reactive ahritis - Reiter syndrome and enteritis associated ahritis Psoriatic ahritis Ahritis associated with inflammatory bowel disease, i.e. enteropathic ahritis.