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': 'Best method of sterilising disposable syringes is - \nSelect and explain. \nA. Hot air oven, B. UV rays, C. Boiling, D. Gamma rays', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Gamma rays Ionizing irradiations are used for sterilization of single-use disposable items such as needles and syringes, latex catheters and surgical gloves. Ethylene oxide is also used for disposable plastic syringes.", 'role': 'assistant'}]