单项选择题
A.-4%~+4% B.-6%~+6% C.-10%~+10% D.-8%~+8% E.-12%~+12%
A.ASA1~2级,麻醉死亡率近1/10000 B.ASA3级,麻醉死亡率近28/10000 C.ASA4级,麻醉死亡率近74/10000 D.ASA5级,麻醉死亡率近155/10000 E.以上都对
A.American Society of Anesthesiologists B.American Stomatological Association C.American Surgical Association D.American Standard Association E.American Statistical Association
A.麻醉手术危险性很大 B.重要脏器病变严重,虽在代偿范围,但对麻醉手术的耐受性差 C.重要脏器轻度病变,代偿健全,对麻醉手术的耐受性一般 D.各器官功能正常,对麻醉手术的耐受性良好 E.重要脏器病变严重,功能代偿不全并已威胁生命安全,麻醉手术均有危险
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