Although paralysis by muscle relaxants simplified exposure of the operative site and decreases the need for volatile ane尽管肌肉松弛剂所导致的麻痹使手术野易于暴露并减少挥发性麻醉剂的需要量，但麻痹病人缺乏许多麻醉征象。
Inhaled and intravenous anesthetics, narcotics, and muscle relaxants should be selected with specific pharmacologic goal应该注意根据特殊的药理学目的来选择吸入或静脉麻醉剂、麻醉性镇痛药和肌肉松弛剂。