Beginner Rectum Quiz
Ready to start the quiz?
This quiz contains 10 questions. Click below to begin.
Q1. At approximately which vertebral level does the rectum begin as a continuation of the sigmoid colon?
- S3
- Coccyx only
- L1
- L5
Q2. Which structure follows the rectum distally?
- Ascending colon
- Ileum
- Anal canal
- Cecum
Q3. Which expanded distal part of the rectum acts as a temporary reservoir for feces?
- Ileocecal valve
- Right colic flexure
- Rectal ampulla
- Appendix
Q4. Which characteristic colonic feature is absent from the rectum?
- Submucosa
- Mucosa
- Circular smooth muscle
- Three distinct taeniae coli
Q5. Which other external feature typical of much of the colon is absent from the rectum?
- Lymphatic vessels
- Smooth muscle
- Appendices epiploicae
- Blood vessels
Q6. What are the permanent internal folds of the rectum called?
- Plicae circulares
- Gastric rugae
- Transverse rectal folds
- Anal columns
Q7. Which embryologic gut division gives rise to the rectum?
- Midgut
- Pharyngeal gut
- Foregut
- Hindgut
Q8. Which artery is the main continuation of the inferior mesenteric artery into the pelvis to supply the upper rectum?
- Appendicular artery
- Left gastric artery
- Right colic artery
- Superior rectal artery
Q9. Which nerves provide parasympathetic innervation to the rectum?
- Pelvic splanchnic nerves from S2 to S4
- Greater thoracic splanchnic nerves
- Phrenic nerves
- Vagus nerve only
Q10. Which surface lies immediately posterior to the rectum?
- Diaphragm
- Pubic symphysis only
- Anterior abdominal wall
- Sacrum and coccyx