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
Insipisation is used to sterilise? 
Select and explain. 
A. Needles, B. Endoscopes, C. Scissors, D. Culture medium
D: Culture medium
Answer: D: Culture medium 
Explanation: Media such as Lowenstein-Jensen and Loeffler serum are rendered sterile by heating at 80-85degC for half an hour on three successive days in an inspissator REF:Ananthanarayan & paniker's textbook of Microbiology 9th edition page no 30