Intermediate Ileum Quiz

Q1. Which arterial branches directly supply most of the ileum?

• Ileal branches of the superior mesenteric artery
• Sigmoid arteries
• Left colic artery
• Short gastric arteries

Q2. Which artery contributes importantly to the terminal ileum near the ileocecal junction?

• Inferior mesenteric artery
• Splenic artery
• Superior rectal artery
• Ileocolic artery

Q3. Compared with the jejunum, what is the usual pattern of arterial arcades in the ileal mesentery?

• More numerous arterial arcades
• No arterial arcades
• A single unbranched artery
• Fewer arcades in every segment

Q4. Compared with the jejunum, how are the vasa recta of the ileum generally arranged?

• They are always twice as long
• They are absent
• They are generally shorter
• They arise from the inferior mesenteric artery

Q5. How is mesenteric fat typically distributed near the ileal wall?

• Fat extends close to the intestinal border
• Fat is restricted to the root only
• Fat is absent from the mesentery
• Fat lies only inside the bowel lumen

Q6. Into which major vein does venous blood from the ileum primarily drain?

• Internal iliac vein
• Inferior vena cava directly
• Azygos vein
• Superior mesenteric vein

Q7. Which lymph nodes receive lymph from the ileum along branches of the superior mesenteric vessels?

• Inferior mesenteric nodes
• Axillary nodes
• Superior mesenteric nodes
• Superficial inguinal nodes

Q8. Which autonomic plexus distributes sympathetic and parasympathetic fibers toward the ileum?

• Cervical plexus
• Inferior hypogastric plexus only
• Brachial plexus
• Superior mesenteric plexus

Q9. Which mucosal feature distinguishes the ileum from the large intestine?

• Taeniae coli
• Haustra
• Intestinal villi
• Appendices epiploicae

Q10. On which side of the ileal wall are Peyer patches classically concentrated relative to the mesenteric attachment?

• Antimesenteric side
• Within the mesenteric vessels
• Serosal surface only
• Mesenteric root only