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: Surgery
[{'content': 'Preferred technique to aneasthesize while taking a biopsy: \nSelect and explain. \nA. Nerve block, B. Infiltration, C. Field block., D. Any of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Nerve block is preferred over field block as LA may distrupt or damage cellular architecture.', 'role': 'assistant'}]