The cause of mechanical bowel obstruction can be: Surgical The cause of mechanical bowel obstruction can be: 1) Coprolites 2) Colon tumors 3) Invasion of helminths 4) Renal tumor 5) Volvulus A. 1., 2., 3. B. 1., 2., 3., 4. C. 2., 3., 4., 5. D. 3., 4., 5. E. All answers are right Answer: B. 1., 2., 3., 4. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+