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
All of the statements are true about ileum except - 
Select and explain. 
A. LN in mesentery, B. 3-6 arcades in continuation, C. Smaller diameter than jejunum, D. Large circular mucosal folds
D: Large circular mucosal folds
Answer: D: Large circular mucosal folds 
Explanation: Circular folds are smaller and fewer.
There are 3 or 6 arterial arcades with no windows.
The lumen of the ileum is narrower and often loaded.
Mesentery of jejunum and ileum (mesentery proper) contains 100-200 lymph nodes.