This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Superantigen includes all, Except \nSelect and explain. \nA. TSST, B. Exfoliative toxin, C. Pyrogenic exotoxin, D. Cholera toxin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Superantigens are ceain protein molecules that activate very large number of T cells irrespective of antigenic specificities They bind directly to the lateral aspect of TCR b chain and activate upto 20% of the circulating T cells compared to conventional (0.001%) causing multisystem dysfunction.Examples :Toxic shock syndrome toxinExfoliative toxinStaphylococcal anterotoxinPyrogenic exotoxin', 'role': 'assistant'}]