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': 'What is false about mafenide acetate? \nSelect and explain. \nA. Painful, B. Deeper penetration, C. Metabolic acidosis, D. Immunodulatory action', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cerium nitrate has Immunodulatory action.', 'role': 'assistant'}]