This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': 'All the following are true about Rheumatoid arthritis except - \nSelect and explain. \nA. Positives for Anti-IgG antibody, B. Juxta-articular osteoporosis, C. Morning stiffness, D. C Reactive protein indicates better prognosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Persons who present with high titers of Rheumatoid factor, C Reactive protein and Haptoglobin have a worse prognosis than the individuals who present with Subcutaneous nodules or Radiographic evidence of erosions.', 'role': 'assistant'}]