Medicine Regarding rheumatoid ahritis, all of the following statements are true except- A The cricoarytenoid joint may be involved B HLA-D4 and HLA-DR4 are positive in patients with seropositive rheumatoid ahritis C Subcutaneous nodules are more frequent in seronegative patients D Diffuse intestinal fibrosis and pneumonitis may occur 💡 Explanation Regarding rheumatoid ahritis, all of the following statements are true except- ✓ Correct Answer: C. Subcutaneous nodules are more frequent in seronegative patients