This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small and Large intestine, Subject name: Anatomy
[{'content': 'All of the statements are true about ileum EXCEPT: \nSelect and explain. \nA. Smaller diameter than jejunum, B. 3-6 arcades in continuation, C. Large circular mucosal folds, D. Lymph nodes in mesentery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ILEUM:- Circular mucosal folds are smaller ,fewer and thin walled. Ileum has narrower lumen, as compared with jejunum. There are 3 or 6 aerial arcades with no windows. Lymphatics drain into the lymph nodes in the mesentery and finally drain into superior mesenteric nodes.', 'role': 'assistant'}]