This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Microbiology Pa-2 and Pa-3 (Sterilization and Bacterial Genetics), Subject name: Microbiology
[{'content': 'The operating temperature in an ethylene oxide sterilization during a warm cycle is \nSelect and explain. \nA. 49-63oC, B. 92- 110oC, C. 20-35oC, D. 68-88oC', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ethylene Oxide sterilization (High level disinfectant) Cold cycle stas at 37 + 5 oC Warm cycle stas at 54 + 5 oC ETO is Highly penetrating gas It is used for sterilizing plastic ,rubber paicles , Respirators, Hea lung machine , disposable plastic syringes , petri dishes Bacillus Globigi used as biological indicator for ethylene oxide sterilizer', 'role': 'assistant'}]