This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Appendicular aery is a branch of \nSelect and explain. \nA. Iliocolic, B. Right colic, C. Inferior mesenteric, D. Marginal aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The appendicular aery is a terminal branch of the ileocolic aery that descends behind the termination of the ileum and enters the mesoappendix of the vermiform appendix. It runs near the free margin of the mesoappendix and ends in branches which supply the appendix. ref - sciencedirect.com', 'role': 'assistant'}]