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': 'Main blood supply of neck of femur? \nSelect and explain. \nA. Lateral circumflex femoral, B. Medial circulflex femoral, C. Profunda femoris, D. Popliteal aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Medial circulflex femoral proximal femur (head & neck) Mn "M is Main = M2" Femoral head & neckSupplied by Large, lateral paLateral epiphyseal aeries derived from retinacular branches ofmedial circumflex femoral aeryQ (Main blood supply)Smaller medial pa nearMedial epiphyseal aeries derived from posterior division offoveaobturator aery & from ascending branch of medial circumflexfemoral aery', 'role': 'assistant'}]