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
[{'content': 'Best method of skin disinfectant is - \nSelect and explain. \nA. Spirit, B. 100% alcohol, C. Tincture iodine, D. Cetrimide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Iodine in an aqeous and alchoholic solution has been widely used as skin disinfectant. it is actively bactericidal with moderate action against spores REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:36", 'role': 'assistant'}]