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: Orthopaedics
[{'content': 'Maximum shortening of the lower limb is seen in - \nSelect and explain. \nA. # Shaft femur, B. # Neck femur, C. # Intertrochanter, D. Transcervical #', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Shortening of lower limb is seen in (from maximum to minimum).\n\n\nPosterior dislocation of hip\nShaft femur fracture\nFracture subtrochanteric region\nIntertrochanteric fracture\nNeck femur fracture', 'role': 'assistant'}]