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: Orthopaedics
[{'content': 'Main blood supply to the head and neck of femur comes from - \nSelect and explain. \nA. Lateral circumflex femoral Artery, B. Medial circumflex femoral Artery, C. Artery of Ligamentum Teres, D. Popliteal Artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The medial circumflex femoral artery along with its retinacular and epiphyseal branches supplies most of the blood supply to the head and neck of femur.', 'role': 'assistant'}]