MCQ Medicine Answer 20
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Explanation:
Patients with adult Still's disease are "seronegative" and lack serum rheumatoid factor. Rheumatoid factors are antibodies specific for the region of the Fc portion of human IgG. Although present in 75 to 80% of rheumatoid arthritis patients, primarily those with HLA-DR4 haplotype, they are by no means specific for this disorder and are found in normal individuals as well as patients with a variety of other inflammatory illnesses.
Tags: MCQ, Medicine, Rheumatoid Factor
Category: Internal Medicine MCQs , Medicine MCQs
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