Beginner Descending Colon Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. Where does the descending colon begin?

  • Ileocecal junction
  • Right colic flexure
  • Rectosigmoid junction
  • Left colic flexure

Q2. Which part of the large intestine follows the descending colon?

  • Cecum
  • Ascending colon
  • Sigmoid colon
  • Appendix

Q3. On which side of the abdomen is the descending colon normally located?

  • Midline only
  • Right side
  • Left side
  • Right iliac fossa only

Q4. What is the usual peritoneal classification of the descending colon?

  • Primarily retroperitoneal
  • Completely intraperitoneal in all adults
  • Extraperitoneal within the perineum
  • Secondarily retroperitoneal

Q5. Which longitudinal muscle bands are characteristic of the descending colon?

  • Taeniae coli
  • Gastric rugae
  • Anal columns
  • Plicae circulares

Q6. What are the characteristic sacculations of the descending colon called?

  • Rugae
  • Papillae
  • Villi
  • Haustra

Q7. Which fat-filled peritoneal projections are commonly found on the descending colon?

  • Anal valves
  • Mesenteric arcades
  • Appendices epiploicae
  • Peyer patches

Q8. Which embryologic gut division gives rise to the descending colon?

  • Foregut
  • Proctodeum only
  • Midgut
  • Hindgut

Q9. Which major artery supplies the arterial territory containing the descending colon?

  • External iliac artery
  • Inferior mesenteric artery
  • Superior mesenteric artery only
  • Celiac trunk

Q10. Which nerves provide parasympathetic innervation to the descending colon?

  • Pudendal nerves
  • Pelvic splanchnic nerves from S2 to S4
  • Vagus nerve only
  • Phrenic nerves
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