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: Unknown
Most suitable catheter material for long-term use is 
Select and explain. 
A. Latex, B. Silicone, C. Polyurethane, D. Rubber
B: Silicone
Answer: B: Silicone 
Explanation: The Foleys Silicone Catheter is a sterile 100% silicone catheter for long-term use (up to 3 months).