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: Anatomy
Features of membarous urethral injury 
Select and explain. 
A. Blood at meatus, B. Extravasation of urine, C. Retention of urine, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Injury of membranous urethra is usually associated with pelvic fractures d/t A. Its clinical features include blood in external meatus, failure or difficulty in passing urine, extravasation of urine to scrotum, perineum, abdominal wall.