Beginner Mesentery Proper Quiz

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

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

Q2. What type of structure is the mesentery proper?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Q10. Which statement best describes the mesentery proper?

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