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': 'Which nerve repair has the worst prognosis? \nSelect and explain. \nA. Ulnar, B. Radial, C. Median, D. Lateral popliteal', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Common peroneal nerve (Lateral popliteal nerve) has two main characteristics.\n\nThe most common nerve lesions of the lower limb.\nWorst prognosis after nerve reconstructive surgery.\n\nRecovery potential after nerve repair\n\nExcellent: - Radial, Musculocutaneous, femoral, digital nerves\nModerate: - Median, Ulnar, Tibial\nPoor : - Common peroneal (lateral popliteal)\nPure motor or pure sensory nerves, i.e., Unmixed nerves, like musculocutaneous nerve and digital nerves have the best prognosis.\nPure motor nerves to large muscle groups not requiring fine control have a better prognosis than motor nerves supplying the small muscles of hand & foot.', 'role': 'assistant'}]