【单选题】【消耗次数：1】
包衣时加隔离层的目的是（ ）。
①
防止片芯受潮
②
增加片剂硬度
③
加速片剂崩解
④
使片剂外观好
参考答案：
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【多选题】
关于影响片剂崩解因素的叙述正确的是( )。
①
适量淀粉可增加片剂的孔隙率，加速其崩解
②
颗粒硬度较大，片剂的崩解较慢
③
压力大，片剂的孔隙率及孔隙径较小，难以崩解
④
塑性变形强的物料压片时形成的孔隙率及孔隙径皆较小
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