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
[{'content': 'What is the use of the following instrument? \nSelect and explain. \nA. Continuous bladder drainage, B. Irrigate the bladder, C. Feeding gastrostomy, D. Diagnostic peritoneal lavage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]