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
Obturator aery is a branch of 
Select and explain. 
A. Internal iliac aery, B. External iliac aery, C. Common iliac aery, D. Vesical aery
A: Internal iliac aery
Answer: A: Internal iliac aery 
Explanation: Obturator aery is the branch of internal iliac aery that passes anterio - inferiorly on the lateral wall of the pelvis,to the upper pa of obturator foramen and escaping the pelvic cavity through the obturator canal, it divides both into anterior and posterior branch. ref - BDC 6e vol2 pg63 imageref - teachmeanatomy.com