静脉注射某药,X0=60mg,若初始血药浓度为15μg/ml,其表观分布容积V为A:20L B:4ml C:30L D:4L E:15L

作者: tihaiku 人气: - 评论: 0
问题 静脉注射某药,X0=60mg,若初始血药浓度为15μg/ml,其表观分布容积V为
选项 A:20L B:4ml C:30L D:4L E:15L
答案 D
解析 此题主要考查静脉注射时表观分布容积的计算方法。静脉注射给药,注射剂量即为X0,本题X0=60mg=60000μg。初始血药浓度即静脉注射的瞬间血药浓度,用C0表示,本题C0=15μg/ml。V=X0/C0=60000μg/(15μg/ml)=4000ml=4L。故本题答案应选择D。

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