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': 'Laparoscopy is sterilized by -- \nSelect and explain. \nA. 2% formalin, B. 2% glutaraldehyde, C. Autoclaving, D. Boiling', 'role': 'user'}, {'content': 'Answer: B \nExplanation: All endoscopes (e.g, laparoscopy) are sterilized by 2% glutaraldehyde (cidex).\n2% Glutaraldehyde (cidex) is most one used for equipment such as an endoscope that cannot be sterilized or disinfected by heat.', 'role': 'assistant'}]