This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Inferior rectal aery is a branch of? 
Select and explain. 
A. Inferior mesenteric aery, B. Superior mesenteric aery, C. Coeliac trunk, D. Internal pudendal aery
D: Internal pudendal aery
Answer: D: Internal pudendal aery 
Explanation: Ans. is 'd' i.e., Internal pudendal aery