This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Burns, Subject name: Surgery
[{'content': 'Which of the following is effective against Pseudomonas and is used in burns patients? \nSelect and explain. \nA. Silver sulphadiazine, B. Silver sulphazine, C. Sulphamethoxazole, D. Sulphadoxine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Silver sulphadiazine cream(1%) This Broad spectrum prophylaxis against bacterial colonization Paicularly effective against Pseudomonas & MRSA', 'role': 'assistant'}]