This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
What is the use of the following instrument? 
Select and explain. 
A. Continuous bladder drainage, B. Irrigate the bladder, C. Feeding gastrostomy, D. Diagnostic peritoneal lavage
B: Irrigate the bladder
Answer: B: Irrigate the bladder 
Explanation: It is a 3-way Foleys catheter. It is commonly used to irrigate the bladder with sterile saline post TURP for 24 hours or soBailey and love 27e pg: 1466