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
All are true regarding disinfectants except - 
Select and explain. 
A. Gluteraldehyde is sporicidal, B. Hypochlorites are virucidal, C. Ethylene oxide is intermediate disinfectant, D. Phenol usually requires organic matter to act
C: Ethylene oxide is intermediate disinfectant
Answer: C: Ethylene oxide is intermediate disinfectant 
Explanation: Ethylene oxide : it is highly inflammable and explosive. it is especially used used forsterilisation hea-lung machines ,respirators ,sutures,dental equipments ,books and clothings it has been used for sterilising wide range of materials REF:Ananthanarayan & Panicker's Textbook of Microbiology 9th edition pg no:35