This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Medicine
16F Foley's color: 
Select and explain. 
A. Orange, B. Yellow, C. Blue, D. Black
A: Orange
Answer: A: Orange 
Explanation: Ans. A. OrangeColor Code of Foley's CatherSizeColorSizeColor6FLight green20FYellow8FLight blue22FViolet10FBlack24FBlue12FWhite26FCream14FGreen28FOlive green16FOrange30FGrey18FRed32FBrown