Main blood supply to the head and neck of femur comes from: (A) Lateral circumflex femoral Aery, (B) Medial circumflex femoral Aery, (C) Aery of Ligamentum Teres, (D) Popliteal Aery
Answer is B. Main blood supply to the head of the femur in adults is the lateral ascending cervical or retinacular & epiphyseal branches of the medial circumflex femoral aery. It also receives supply from lateral circumflex femoral aery & branch of obturator aery. Ref: BD Chaurasia, Volume 2 , 6Th edition, page no: 69