This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteology, Subject name: Pathology
Which of the following is not an extra articular feature of Rheumatoid arthritis? 
Select and explain. 
A. Weight loss, B. Pleural effusion, C. Conjunctivitis, D. Proteinuria
D: Proteinuria
Answer: D: Proteinuria 
Explanation: Ans. is 'd' i.e., Proteinuria Extra-articular manifestations in RA1) Systemic manifestations: Fever, weight loss, fatigue.2) Dermatological: Subcutaneous nodule.3) Cardio-pulmonary: Pericardial & pleural effusion, constrictive pericarditis, pulmonary fibrosis, lung nodules.4) Eye: Sjogren syndrome (Keratoconjunctivitis sicca), scleritis.5) Nervous: Carpal tunnel syndrome, tarsal tunnel syndrome, mononeuritis multiplex