This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve Injuries - 1, Subject name: Orthopaedics
[{'content': 'Tendon used for repair of flexor tendon injury in hand requiring reconstruction from forearm to fingeip is: \nSelect and explain. \nA. Palmaris, B. Plantaris, C. Extensor digitorum communis, D. Extensor digiti minimi', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tendons used for reconstruction Palmaris longus--Hand to fingeip Plantaris--Forearm to fingeip (plantaris is longest tendon in the body)', 'role': 'assistant'}]