<prompt> All of the following are true about Rheumatoid Ahritis, Except:HLA-DR determine genetic susceptibilityHLA-B27 determine genetic susceptibilityAnemiaSubcutaneous nodules  <response>: 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 Reiters syndrome Enteropathic ahritis Associated with Inflammatory Bowel disease Undifferentiated spondyloahropathy 