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': 'Blood supply of femoral head is - \nSelect and explain. \nA. Femoral artery, B. Obturator artery, C. Medial & lateral circumflex artery, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Blood supply- femoral head\nFemoral artery\n\n\xa0\xa0Profunda femoris artery\n\n\nMedial circumflex femoral artery- Major supply\nLateral circumflex femoral artery\n\nObturator artery\n\nArtery of ligamentum teres\nIntramedullary vessels in femoral neck.', 'role': 'assistant'}]