Intermediate Superior Mesenteric Vein Quiz

Q1. What is the usual relationship of the superior mesenteric vein to the superior mesenteric artery?

• It always lies to the left of the artery
• It lies within the artery
• It is separated from the artery by the liver
• It lies to the right of the artery

Q2. Which structure do the superior mesenteric vessels cross anterior to as they emerge into the mesentery?

• Sigmoid colon
• Third part of the duodenum
• Esophagus
• First part of the duodenum only

Q3. Which pancreatic region lies immediately anterior to the portal venous confluence involving the superior mesenteric vein?

• Neck of the pancreas
• Uncinate process only
• Pancreatic duct
• Tail of the pancreas only

Q4. Which tributary drains the terminal ileum, cecum, appendix, and proximal ascending colon?

• Splenic vein
• Inferior mesenteric vein
• Ileocolic vein
• Left gastric vein

Q5. Which venous trunk may receive right colic and gastro-omental tributaries before entering the superior mesenteric vein?

• Coronary sinus
• Azygos arch
• Hepatic venous trunk
• Gastrocolic trunk

Q6. Which vein from the greater curvature commonly contributes to the gastrocolic venous region near the superior mesenteric vein?

• Superior rectal vein
• Left gonadal vein
• Right gastro-omental vein
• Left renal vein

Q7. Which pancreaticoduodenal venous channels commonly drain toward the superior mesenteric vein?

• Lumbar veins
• Hepatic veins
• Inferior pancreaticoduodenal veins
• Inferior phrenic veins

Q8. Why does the superior mesenteric vein generally parallel the arterial territory of the superior mesenteric artery?

• They are branches of the inferior vena cava
• The vein carries arterial blood
• Both drain the liver
• Both are associated primarily with the midgut territory

Q9. Which structure is closely related to the superior mesenteric vein near the uncinate process of the pancreas?

• Uncinate process of the pancreas
• Gallbladder fundus
• Sigmoid mesocolon
• Left suprarenal gland

Q10. Which statement best describes the superior mesenteric vein's role in portal circulation?

• It drains the liver directly into the inferior vena cava
• It drains most of the midgut and helps form the hepatic portal vein
• It is a systemic vein draining the kidneys
• It carries bile from the intestine