Beginner Superior Rectal Artery Quiz

Q1. The superior rectal artery is the terminal continuation of which artery?

• Celiac trunk
• Inferior mesenteric artery
• Superior mesenteric artery
• Internal iliac artery

Q2. Which part of the rectum is principally supplied by the superior rectal artery?

• Anal skin below the pectinate line only
• Upper rectum
• Cecum
• Ascending colon

Q3. Which embryologic arterial territory gives rise to the superior rectal artery?

• Midgut territory
• Foregut territory
• Hindgut territory
• Somatic abdominal wall territory

Q4. Which vessel commonly anastomoses superiorly with the superior rectal artery near the rectosigmoid junction?

• Middle colic artery
• Left gastric artery
• Lowest sigmoid artery
• Ileocolic artery

Q5. Which arteries provide important collateral connections with the superior rectal artery lower in the rectum?

• Renal and gonadal arteries
• Short gastric and splenic arteries
• Middle and inferior rectal arteries
• Right and middle colic arteries

Q6. Into which body cavity does the superior rectal artery descend?

• Cranial cavity
• Thoracic cavity
• Pelvis
• Pleural cavity

Q7. Which organ is the principal target of the superior rectal artery?

• Kidney
• Stomach
• Rectum
• Spleen

Q8. Which mesenteric structure is continuous with the sigmoid mesocolon around the upper rectal vascular pedicle?

• Mesorectal tissue
• Lesser omentum
• Gastrosplenic ligament
• Mesoappendix

Q9. Which statement best describes the superior rectal artery?

• It is a branch of the celiac trunk
• It supplies only the stomach
• It is the terminal continuation of the IMA
• It is a paired parietal artery

Q10. What happens to the superior rectal artery as it approaches the rectum?

• It passes through the inguinal canal
• It enters the splenic hilum
• It becomes the renal artery
• It divides into rectal branches