Rectum and Abdominal Aorta Quiz

Which vertebral level marks the beginning of the rectum?

• L3

• L5

• S3

• S1

How long is the rectum approximately?

• 5 cm

• 8 cm

• 12 cm

• 15 cm

How many lateral curves are present in the rectum?

• 1

• 2

• 3

• 4

Which part of the rectum has peritoneal covering on anterior and lateral surfaces?

• Upper third

• Middle third

• Lower third

• Entire rectum

Which of the following structures lies anterior to the male rectum?

• Seminal vesicle

• Urinary bladder

• Prostate

• All of the above

Which artery is the main arterial supply of the rectum?

• Superior rectal artery

• Middle rectal artery

• Inferior rectal artery

• Internal iliac artery

Superior rectal artery is a continuation of?

• Internal iliac artery

• Inferior mesenteric artery

• Median sacral artery

• External iliac artery

Middle rectal artery arises from?

• Inferior mesenteric artery

• Internal pudendal artery

• Internal iliac artery

• Superior rectal artery

Venous drainage of upper rectum is to?

• Inferior mesenteric vein

• Superior rectal vein

• Middle rectal vein

• Internal pudendal vein

Which of the following is NOT a site of portosystemic anastomosis?

• Esophagus

• Rectum

• Anterior abdominal wall

• Kidney