【单选题】【消耗次数:1】
药典规定:制川乌含酯型生物碱以乌头碱计,不得高于
0.015%
0.05%
0.15%
0.025%
0.10%
参考答案:
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相关题目
【单选题】 生物碱碱性最强的是
①  伯胺生物碱
②  叔胺生物碱
③  仲胺生物碱
④  季铵生物碱
⑤  酰胺生物碱
【多选题】 用乙醇提取生物碱可提出
①  游离生物碱
②  生物碱无机酸盐
③  生物碱有机酸盐
④  季铵型生物碱
⑤  两性生物碱
【单选题】 属于异喹啉生物碱的是
①  东莨菪碱
②  苦参碱
③  乌头碱
④  小檗碱
⑤  麻黄碱
【单选题】 对含生物碱的药物,常选择何种辅料炮制以提高其溶出率
①  食醋
②  盐水
③  米泔水
④  蜂蜜
⑤  姜汁
【单选题】 具有莨菪烷母核的生物碱是
①  甲基麻黄碱
②  小檗碱
③  阿托品
④  氧化苦参碱
⑤  乌头碱
【单选题】 莨菪生物碱中中枢作用最强的是()。
①  山莨菪碱
②  丁溴东莨菪碱
③  阿托品
④  东莨菪碱
⑤  后马托品
【单选题】 表示生物碱碱性的方法常用
①  pkb
②  Kb
③  pH
④  pka
⑤  Ka
【单选题】 通过改变生物碱结构以达减毒目的的是( )。
①  麻黄
②  马钱子
③  黄连
④  苦参
⑤  朱砂
【判断题】 毛莨科、芍药科、木兰科和罂粟科植物均主要含生物碱。
①  正确
②  错误
【多选题】 影响生物碱碱性强弱的因素有
①  氮原子的杂化方式
②  诱导效应
③  羟基数目
④  内酯结构
⑤  分子内氢键
随机题目
【单选题】 The boy is not happy at the new school. He has _________ friends there.
①  few
②  a few
③  little
④  a little
【单选题】 The hospital bed is no longer ______ by his wife because she is fine now.
①  overlooked
②  occupied
③  opened
④  Operated
【单选题】 The car ran over the child, but by a _____ he was unhurt.
①  wonder
②  marvel
③  miracle
④  surprise
【单选题】 You will probably _____ your team’s chance to win because you seem to have such a great ______them.
①  affect; influence
②  effect; influence
③  affect; effect on
④  effect; affect on
【单选题】 The young _______ eaten up almost everything on the table.
①  is
②  are
③  has
④  have
【单选题】 Can you go to the concert with us this evening?____________
①  No, I already have plans.
②  I’d love to, but I’m busy tonight.
③  No, I really don’t like being with you.
④  I’m ill, so I shouldn’t go out.
【单选题】 Havent seen you for ages. Lets have a dinner together this weekend.____________
①  Yes, of course.
②  Welcome!
③  No, thanks.
④  Great idea!
【单选题】 I was satisfied with her explanation, ______.
①  so my classmates were
②  so were my classmates
③  so my classmates did
④  so did my classmates
【单选题】 A kind teacher always takes a very _______ attitude when correcting students’ mistakes.
①  negative
②  partial
③  potential
④  positive
【判断题】 先进性和纯洁性是马克思主义政党的基本属性。
①  正确
②  错误