This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Silver sulphadiazine cream is used in burn wounds because \nSelect and explain. \nA. It has soothing effect, B. Covers pseudomonas, C. Covers MRSA, D. Covers both Pseudomonas and MRSA', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Silver sulphadiazine cream (1 percent) gives broadspectrum prophylaxis against bacterial colonisation and is paicularly effective against Pseudomonas aeruginosa and also methicillin-resistant Staphylococcus aureus. Options for burns dressing include1% silver sulphadiazine cream0.5% silver nitrate solutionMafenide acetate creamSerum nitrate, silver sulphadiazine and cerium nitrateBailey and Love 26e pg: 393', 'role': 'assistant'}]