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': "Which of the following is true about burns \nSelect and explain. \nA. 3rd generation cephalosporin is drug of choice, B. Saurus is most common infection of burn, C. Toxic shock syndrome is most common in burn's pts., D. Pseudomonas is most common infection in dry wound", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Option \'a\'\n\nIn burn management, topical antimicrobials are used. These are\n\n\nSilver sulfadiazine\nMafenide acetate\nSilver nitrate\n\nSystemic antibiotics are not used prophylactically and are reserved for documented infection. The choice of antibiotic is according to culture and sensitivity report.\n\n\nOf the topical antibiotics, Silver suYadiazine is most commonly used and has antifungal properties in addition to good bacterial coverage. However, it cannot penetrate eschar.\nMafenide acetate is able to penetrate the eschar and is the only agent capable of suppressing dense subeschar bacterial proliferation.\n\nOption \'b\'\n\nseudomonas is the most common infection in bum pts. It has replaced streptococci & staphylococci because of availability of good antibiotics. \n\nOption \'c\'\n\nToxic shock syndrome is most commonly associated with tampon use in menstruating females\nIt is caused due to staphylococcal infections producing an endotoxin TSST-1 (and in some cases by streptococcus)\n\nOption \'e\'\n\n"Damp dressing should not be used" - Sabiston 17/e p576', 'role': 'assistant'}]