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: Medicine
[{'content': "Gold salts can be used in: \nSelect and explain. \nA. Ankylosing spondylitis, B. Rheumatoid ahritis, C. Osteoahritis, D. Beheet's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Rheumatoid ahritis) : Chrysotherapy (Gold salts) : are used as a disease-modifting anti-rheumatic drugs for patients who fail to improve on or who cannot tolerate methotrexate. Intramuscular gold is used most often as it is more effective than oral goldQ.', 'role': 'assistant'}]