This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteology of Lower Extremity, Subject name: Anatomy
[{'content': 'Most important arterial blood supply of femoral head is: (PGI June 2008) \nSelect and explain. \nA. Femoral artery, B. Obturator artery, C. Internal pudendal artery, D. Medial circumflex femoral artery.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: D. Blood Supply of Femoral Head BDC 4th/ Vol.II 16 # Smaller medial part near fovea is supplied by medial epiphyseal artery derived from posterior division of obturator arteryQ and ascending br. of medial circumflex femoral artery. # Longer lateral part by lateral epiphyseal arteryQ which is derived from retinacularbr. medial circumflex femoral artery. Most important Artery supplying Femoral head- Medial circumflex femoral artery and lateral epiphyseal artery.', 'role': 'assistant'}]