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
Gamma radiations are used for sterilizing: 
Select and explain. 
A. Syringes, B. Cytoscopes, C. Dressing aprons, D. Metal instruments
A: Syringes
Answer: A: Syringes 
Explanation: Key Points:-
Gamma radiation from a cobalt-60 source is used for sterilization of antibiotics, hormones, sutures, catheters, animal feeds, metal foils, and plastic disposables such as syringes. This has also been used to sterilize and ‘pasteurize’ meat and other food items.