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