This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach and aerial supply of abdomen, Subject name: Anatomy
A 29 year old man with ruptured appendix is sent to the emergency depament for surgery. To cut off the blood supply to the appendix (if collateral circulation is discounted), a surgeon should ligate which of the following aeries? 
Select and explain. 
A. Middle colic aery, B. Right colic aery, C. Ileocolic aery, D. Left colic aery
C: Ileocolic aery
Answer: C: Ileocolic aery 
Explanation: * Appendix is supplied by appendicular aery which is branch of ileocolic aery * Middle colic and right colic supply ascending colon and transverse colon 2/3 * Left colic supplies transverse colon 1/3 and descending colon and sigmoid colon.