This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around the Thigh & Knee, Subject name: Orthopaedics
[{'content': 'Maximum shortening of lower limb is seen in: \nSelect and explain. \nA. Fracture shaft femur, B. Fracture neck femur, C. Fracture intertrochanteric femur, D. Transcervical fracture neck femur', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Fracture shaft femurLower limb injures associated with maximum shortening are posterior dislocation of hip > fracture shaft femur > Fracture subtrochanteric femur > Intertrochanteric fracture > Fracture Neck Femur', 'role': 'assistant'}]