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: Microbiology
[{'content': 'Viral enterotoxin is detected as a possible of mechanism pathogenesis in - \nSelect and explain. \nA. Adenovirus, B. Rotavirus, C. Calcivirus, D. Astrovirus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is b i.e., Rotavirus Pathogenesis Three different mechanisms have recognized 1. Destruction of mature enterocytes (Major pathogenic mechanism) Enterotoxin - A non-structural `rotavirus protein, NSP4, functions as an enterotoxin and contributes to secretory diarrhea. Activation of enteric nervous system - Rotavirus may evoke fluid secretion through activation of enteric nervous system in the intestinal wall.', 'role': 'assistant'}]