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': 'Atherosclerotic occlusion of which aery would result in insufficient perfusion of urinary bladder \nSelect and explain. \nA. External iliac, B. Internal pudendal, C. Internal iliac, D. Lateral sacral', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Internal iliac aery divides into an anterior division and a posterior division Posterior division giving rise to superior gluteal iliolumbar, and lateral sacral aeries. Anterior division gives rise to Obturator aery Umbilical aery (Gives rise to the superior vesical aery) Inferior vesical aery Vaginal aery (female) Uterine aery (female) Middle rectal aery Internal pudendal aery Inferior gluteal aery image ref - semantischolar.org', 'role': 'assistant'}]