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
Best method of skin disinfectant is - 
Select and explain. 
A. Spirit, B. 100% alcohol, C. Tincture iodine, D. Cetrimide
C: Tincture iodine
Answer: C: Tincture iodine 
Explanation: 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