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: Surgery
Following an automobile accident, a 20-year- old woman is found by a retrograde urethrogram to have an extraperitoneal bladder rupture. Initial management of this injury should be 
Select and explain. 
A. Celiotomy and open repair of the injury, B. Celiotomy and placement of drains in the retropubic space, C. Inseion of a Foley catheter through the urethra, D. Observation for evidence of a continuing urinary leak
C: Inseion of a Foley catheter through the urethra
Answer: C: Inseion of a Foley catheter through the urethra 
Explanation: (C) Inseion of a Foley catheter through ........ With Foley catheter drainage, an extra peritoneal bladder injury should close spontaneously. Colostomy and bladder repair is appropriate for intraperitoneal bladder injury. Suprapubic cystostomy may be required if a Foley catheter cannot be passed safely through an injury in the posterior urethra.