Surgery Which of the following is the commonest cause of an obliterative stricture of the membranous urethra? A Fall-astride injury B Gonococcal infection C Prolonged catheterization D Road-traffic accident with fracture pelvis and rupture urethra 💡 Explanation Which of the following is the commonest cause of an obliterative stricture of the membranous urethra? ✓ Correct Answer: D. Road-traffic accident with fracture pelvis and rupture urethra