This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Orthopaedics
[{'content': 'Which of the following structures is fixed first during reimplantation of an amputated digit - \nSelect and explain. \nA. Bone, B. Aery, C. Vein, D. Nerve', 'role': 'user'}, {'content': "Answer: B \nExplanation: First objective in reimplantation of an amputated digit is restoring the blood supply. REF:Apley's system of ohopaedics-9th edn- pg no 800.", 'role': 'assistant'}]