This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci), Subject name: Microbiology
[{'content': 'Which of the following staphylococcal infection is not toxin mediated? \nSelect and explain. \nA. Toxic shock syndrome, B. Food poisoning, C. Septic shock, D. Staph Scalded Skin Syndrome', 'role': 'user'}, {'content': "Answer: C \nExplanation: Staphylococcal scalded skin syndrome/ Pemphigus neonatorum/Ritter's disease/Localized bullous impetigo Induced by epidermolytic exotoxins(exfoliatin)A and B, which are released by S. aureus -detachment within the epidermal layer, by breaking down the desmosomes. One of the exotoxins is encoded on the bacterial chromosome, while the other is encoded on a plasmid. Septic shock Result of a systemic response to infection or multiple infectious causes. Sepsis may be present, but septic shock may occur without it.", 'role': 'assistant'}]