This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
Gamma radiations are used for sterilizing? 
Select and explain. 
A. Syringes, B. Cystoscopes, C. Dressing aprons, D. Metal instruments
A: Syringes
Answer: A: Syringes 
Explanation: IONISING RADIATION: commercial plants use gamma radiations for sterilizing items like plastics, syringes, swabs, catheters, animal feeds, cardboards, oils, grease, fabrics and metal foils. REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg