皮皮学，免费搜题
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搜题
【单选题】
局麻药毒性反应的预防措施包括
A.
应限定局麻药的安全剂量
B.
根据患者状态或注射部位适宜减量
C.
局麻药液中加入适量扩血管药
D.
麻醉前给予适量巴比妥类可以提高毒性阈值
拍照语音搜题，微信中搜索"皮皮学"使用
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