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': 'Sterilization of liquid paraffin is done by: \nSelect and explain. \nA. Autoclaving, B. Hot air oven, C. UV radiation, D. Inspissation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Key Points\xa0\nHot air oven is used in laboratories and clinics for heat-resistant items that are not sterilized well by moist heat. They are used for sterilization of:\xa0\n\nGlasswares (syringes, Petri dishes, flasks, pipettes, test tubes, etc.)\nSurgical instruments (scalpels, scissors, forceps, etc.)\nChemicals (liquid paraffin, sulfonamide powders, etc.)\nOils that are not penetrated well by steam used in moist heat sterilization.\xa0\n\nParija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page:27', 'role': 'assistant'}]