This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvis and Hip Injury, Subject name: Orthopaedics
[{'content': 'Meyer pedicle graft used for? \nSelect and explain. \nA. Fracture through neck of the talus, B. Non-union fracture neck of femur, C. Fracture through the waist of the scaphoid, D. Inter-trochanteric fracture femur', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * Meyer-pedicle graft is used to prevent avascular necrosis and non-union fracture in upper end of femur (neck of femur). In this procedure, Quadratus femoris is taken up and inseed into the head of the femur. * Inter-trochanteric of Femur does not result in AVN or non-union. It causes malunion.', 'role': 'assistant'}]