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': 'Disposable syringes are sterilized by \nSelect and explain. \nA. 2% glutaraldelyde, B. Autoclave, C. Hot air oven, D. Ionizing radiation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Disposable plastics eg : Rubber or plastic syringes infusion sets, catheters are sterilized\xa0by Ionizing radiation.', 'role': 'assistant'}]