This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which is not true for burns 
Select and explain. 
A. Cephalosporins are the drug of choice, B. Toxic shock syndrome is most common in burn patients, C. Moist dressing is done, D. Psuedomonas is the most common infection in dry wound
D: Psuedomonas is the most common infection in dry wound
Answer: D: Psuedomonas is the most common infection in dry wound 
Explanation: Option 'a' In burn management, topical antimicrobials are used. These are Silver sulfadiazine Mafenide acetate Silver nitrate Systemic antibiotics are not used prophylactically and are reserved for documented infection. The choice of antibiotic is according to culture and sensitivity repo. Of the topical antibiotics, Silver suYadiazine is most commonly used and has antifungal propeies in addition to good bacterial coverage. However, it cannot penetrate eschar. Mafenide acetate is able to penetrate the eschar and is the only agent capable of suppressing dense subeschar bacterial proliferation. Option 'b' Toxic shock syndrome is most commonly associated with tampon use in menstruating females It is caused due to staphylococcal infections producing an endotoxin TSST-1 (and in some cases by streptococcus) Option 'c' "Damp dressing should not be used" - Sabiston 17/e p576