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': 'Ureter dervies its blood supply from \nSelect and explain. \nA. Renal aery, B. Gonadal vessel, C. Common iliac aery, D. Inferior vesical aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The aerial supply of the middle ureter is derived from the common iliac and gonadal aeries. Finally, the distal ureter is supplied by branches of the common iliac and internal iliac branches, paicularly uterine and superior vesical aeries.The venous drainage is paired with the aeries. ref - BDC 6e vol2 pg318', 'role': 'assistant'}]