题目内容

9.下列有关渗透泵的叙述中，错误的是

A. 透泵是一种由半透膜性质的包衣和易溶于水的药物为片芯所组成的片剂
B. 了药物的释放，片衣上用激光打出若干个微孔
C. 药后，水分子通过半透膜进入片芯，溶解药物后由微孔流出而为机体所吸收
D. 剂型具有控释性质，释药均匀、缓慢，药物溶液态释放可减轻局部刺激性
E. 药不受pH影响

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