This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
Most common cause of urethral stricture is: 
Select and explain. 
A. Trauma, B. Infection, C. Congenital, D. Post endoscopy
A: Trauma
Answer: A: Trauma 
Explanation: Ans. (a) TraumaRef: Campbell Urology 11th Edition, Page 917* Most urethral stricture are result of trauma (usually straddle trauma)