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: Surgery
[{'content': 'Hydrocortisone Acetate is injected in a painful arthritic TMJ to? \nSelect and explain. \nA. Increase the blood supply, B. Lubricate the synovial joint, C. Anaesthetize the nerve supply, D. Decrease the inflammatory response', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]