All of the following are true about Rheumatoid Ahritis, Except:
High-Yield Explanation
Answer is B (HLA-B27 determine genetic susceptibility): HLA-B27 antigen is associated with seronegative spondyloahropathies and not Rheumatoid Ahritis. RA is associated with HLA DR alleles and may present with anemia, subcutaneous nodules and joint deformities. HLA B 27 associated seronegative spondyloahropathies Ankylosing spondylitis Psoriatic ahritis Reactive ahritis (Reiter's syndrome) Enteropathic ahritis (Associated with Inflammatory Bowel disease) Undifferentiated spondyloahropathy