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
Main blood supply of neck of femur? 
Select and explain. 
A. Lateral circumflex femoral, B. Medial circulflex femoral, C. Profunda femoris, D. Popliteal aery
B: Medial circulflex femoral
Answer: B: Medial circulflex femoral 
Explanation: 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