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': 'Laryngoscopes are sterilized by ? \nSelect and explain. \nA. Glutaraldehyde, B. Formalin, C. Betadine, D. Boiling', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Glutaraldehyde Laryngoscope should be cleaned before and after use with spirit. Disinfection can be done once a day by removing the bulb and immersing the blade in 2% cidex (glutaraldehyde) for 10 minutes. They should be sterilized once a week by immersing in cidex for 10 hours or by autoclaving.", 'role': 'assistant'}]