Surgical MCQs on Colorectum

Q1. Which of the following is not true regarding blood supply of the colon?

a) There are numerous communications between brances of coeliac artery, Superior mesenteric artery, inferior mesenteric artery and iliac artery beds

b) The marginal artery of Drummond connects the superior mesenteric arcade and inferior mesenteric artery and forms a continuous arcade along the mesenteric border of colon

c) Arc of riolon is different from meandering mesenteric artery

d) A large Arc of Riolon suggests an obstruction in Superior or Inferior Mesenteric artery

Answers

1) c

Arc of Riolon is also known as meandering mesenteric artery and it is a communication between the proxial superior mesenteric artery with proximal branch of inferior mesenteric artery.

All other options are true