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: Surgery
[{'content': 'For split skin graft the best source is \nSelect and explain. \nA. Autograft, B. Homograft, C. Isograft, D. Xenograft', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Autograft # Autograft is skin graft taken from an uninjured part of body (e.g. thigh skin) and is used for skin grafting in same person.> It is the best skin graft for open wounds because of very high rate of successful grafting.', 'role': 'assistant'}]