This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Orthopaedics
[{'content': "Sunderland classification is used for - \nSelect and explain. \nA. Nerve injury', B. Muscle injury, C. Tendon injury', D. Ligament injury", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Nerve injuryo Sunderland is an extension of the seddon classification and includes 5 types of nerve injuries.Type-1Conduction block (neuropraxia)Type -2Axonal injury (Axonotmesis)Type-3Type-2 plus endoneurium injuryType -4Type-3 plus perineurium injuryType -5Type-4 plus epineurium injury (Neurotmesis)", 'role': 'assistant'}]