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
Patient with pelvic fracture presents with anuria. After 24 hrs bladder is not palpable. Possible diagnosis includes: 
Select and explain. 
A. Bulbar urethral injury, B. Posterior urethral injury, C. Extraperitoneal rupture of bladder, D. All
C: Extraperitoneal rupture of bladder
Answer: C: Extraperitoneal rupture of bladder 
Explanation: Ans is c (Extraperitoneal rupture of bladder) The provided clues suggest rupture of the bladder, either intraperitoneal or extraperitoneal. The differentiation between the two could not be made on the basis of given clinical findings.