This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'Inferior mesenteric artery supplies all of the following except \nSelect and explain. \nA. Rectum, B. Right colic flexure, C. Sigmoid colon, D. Descending colon', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Right colic flexure # Inferior mesenteric artery supplies: The left one third of the transverse colon; The descending colon; The sigmoid colon; The rectum; The upper part of the anal canal; The right colic flexure is supplied by the superior mesenteric artery.', 'role': 'assistant'}]