This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology and Rheumatology, Subject name: Medicine
The commonest feature in Poncet's disease is? 
Select and explain. 
A. Joint pains, B. Hemoptysis, C. Headache, D. Vascular collapse
A: Joint pains
Answer: A: Joint pains 
Explanation: Ans. A. Joint painsPoncet's disease, is a reactive symmetric form of polyarthritis that affects persons with visceral or disseminated tuberculosis. No mycobacteria are found in the joints, and symptoms resolve with antituberculous therapy.