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
Which of the following is a direct branch of Inferior mesenteric aery 
Select and explain. 
A. Superior rectal aery, B. Middle rectal aery, C. Inferior rectal aery, D. Inferior epigastric aery
A: Superior rectal aery
Answer: A: Superior rectal aery 
Explanation: Inferior and middle rectal aeries are branches of internal iliac aery which is a branch of common iliac aery whereas superior rectal aery is a direct branch of inferior mesenteric Aery which is a branch of abdominal aoa. There are three major branches that arise from the IMA: Left colic aery, Sigmoid aery and Superior rectal aery.