Beginner Mesentery Proper Quiz

Q1. Which parts of the small intestine are suspended by the mesentery proper?

• Cecum and appendix
• Ascending and descending colon
• Jejunum and ileum
• Duodenum and stomach

Q2. What type of structure is the mesentery proper?

• A double layer of peritoneum
• A skeletal muscle sheet
• A fibrous joint
• A retroperitoneal fascial capsule

Q3. Where does the root of the mesentery begin superiorly?

• At the splenic hilum
• Near the duodenojejunal junction
• At the esophageal hiatus
• At the porta hepatis

Q4. Where does the root of the mesentery end inferiorly?

• Near the ileocecal junction
• At the gastric cardia
• At the left renal hilum
• At the splenic flexure

Q5. Which major artery supplies the jejunum and ileum through the mesentery proper?

• Inferior mesenteric artery
• Superior mesenteric artery
• Left gastric artery
• Splenic artery

Q6. Which major vein accompanies the arterial supply within the mesentery?

• Inferior vena cava only
• Left renal vein
• Splenic vein only
• Superior mesenteric vein

Q7. Which vessels form arterial arcades within the mesentery proper?

• Lumbar arteries
• Jejunal and ileal arteries
• Renal arteries
• Inferior phrenic arteries

Q8. What are the straight terminal vessels extending from mesenteric arcades toward the small intestine called?

• Vasa recta
• Short gastric vessels
• Hepatic sinusoids
• Vasa vasorum

Q9. Which important nonvascular structures are carried in the mesentery proper?

• Lymphatics, lymph nodes, and autonomic nerves
• Bile ducts only
• Bronchi and pulmonary veins
• Ureters only

Q10. Which statement best describes the mesentery proper?

• It connects the liver to the lesser curvature
• It covers the abdominal organs as the greater omentum
• It suspends the jejunum and ileum and transmits their neurovascular and lymphatic supply
• It attaches the spleen to the left kidney