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
[{'content': 'Constrictions in ureter are seen at all of the following sites EXCEPT: \nSelect and explain. \nA. At the pelviureteric junction, B. At the brim of lesser pelvis, C. At the crossing by external iliac aery, D. Passage through bladder wall', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ureters is slightly constricted at 5 places. One site is at the point of crossing of ureter by ductus deferens or broad ligament of uterus.', 'role': 'assistant'}]