化学结构为 https://assets.asklib.com/images/image2/2017031514433078484.png 药物是（）。

A . 嘧啶二酮 B . 嘧啶三酮 C . 丁二酰亚胺 D . 乙内酰脲 E . 丁二酰脲

A . 山莨菪碱 B . 东莨菪碱 C . 阿托品 D . 泮库溴铵 E . 氯唑沙宗

A . ['https://assets.asklib.com/psource/2015081814360037483.png B .https://assets.asklib.com/psource/201508181436036930.png C .https://assets.asklib.com/psource/2015081814360620079.png D .https://assets.asklib.com/psource/2015081814361018090.png E .https://assets.asklib.com/psource/2015081814361395941.png

A . 叶片结构由疏松至稍密、总挥发碱、蛋白质含量增加 B . 疏松比稍密的烟叶总氮、总挥发碱、蛋白质含量低 C . 烟碱和总氮以疏松叶较合适，质量较好 D . 稍疏松比疏松烟叶总氮、蛋白质、烟碱、总挥发碱含量稍高

A . 吸收 B . 分布 C . 代谢 D . 排泄 E . 生物利用度

A . 代谢 B . 生物利用度 C . 排泄 D . 分布 E . 吸收

A . 含有咪唑环 B . 含有呋喃环 C . 含有氰基 D . 含有胍基 E . 含有硫醚

A . 吸收 B . 分布 C . 排泄 D . 转运 E . 代谢

A . ['https://assets.asklib.com/psource/2015081811012029020.png B .https://assets.asklib.com/psource/2015081811012456544.png C .https://assets.asklib.com/psource/2015081811012959973.png D .https://assets.asklib.com/psource/2015081811013232.png E .https://assets.asklib.com/psource/201508181101385894.png

A . ['https://assets.asklib.com/psource/2015120211465815310.jpg B .https://assets.asklib.com/psource/2015120211470617571.jpg C .https://assets.asklib.com/psource/2015120211470944918.jpg D .https://assets.asklib.com/psource/2015120211471295423.jpg E .https://assets.asklib.com/psource/2015120211471581505.jpg

A . 前膜较一般的神经元膜厚 B . 后膜具有特异受体 C . 突触间隙内含黏多糖和糖蛋白 D . 前膜内侧有致密突起 E . 突触间隙宽约90～100nm

A . L-α-氨基酸 B . D-α-氨基酸 C . L-β-氨基酸 D . D-β-氨基酸

A . ['https://assets.asklib.com/psource/2015081811262958500.png B .https://assets.asklib.com/psource/2015081811263336347.png C .https://assets.asklib.com/psource/2015081811263778656.png D .https://assets.asklib.com/psource/2015081811264133206.png E .https://assets.asklib.com/psource/2015081811264524906.png

A . 正确 B . 错误

A . ['https://assets.asklib.com/psource/2015081814352977531.png B .https://assets.asklib.com/psource/2015081814353314730.png C .https://assets.asklib.com/psource/201508181435367295.png D .https://assets.asklib.com/psource/2015081814354158180.png E .https://assets.asklib.com/psource/2015081814354683086.png

A . ['https://assets.asklib.com/psource/2015081814345178773.png B .https://assets.asklib.com/psource/2015081814345630027.png C .https://assets.asklib.com/psource/2015081814345987980.png D .https://assets.asklib.com/psource/2015081814350319154.png E .https://assets.asklib.com/psource/2015081814350952079.png

A . ['https://assets.asklib.com/psource/2015081814362988456.png B .https://assets.asklib.com/psource/2015081814363670417.png C .https://assets.asklib.com/psource/2015081814363929091.png D .https://assets.asklib.com/psource/2015081814364681020.png E .https://assets.asklib.com/psource/2015081814365122043.png

A . 增加其作用时间 B . 减少对肝脏的毒副作用 C . 增加其雄性化作用 D . 使药理作用更为广泛 E . 获得蛋白同化激素

A . ['https://assets.asklib.com/psource/2015081810592940975.png B .https://assets.asklib.com/psource/201508181059343974.png C .https://assets.asklib.com/psource/2015081810593862951.png D .https://assets.asklib.com/psource/2015081810594290962.png E .https://assets.asklib.com/psource/2015081810594639583.png

A . ['https://assets.asklib.com/psource/2015081810190779155.png B .https://assets.asklib.com/psource/2015081810191127946.png C .https://assets.asklib.com/psource/2015081810191661450.png D .https://assets.asklib.com/psource/2015081810192454633.png E .https://assets.asklib.com/psource/201508181019294509.png

A . 代谢 B . 生物利用度 C . 排泄 D . 分布 E . 吸收

A．盐酸赛庚啶 B．盐酸苯海素 C．盐酸雷尼替丁 D．盐酸溴已新 E．盐酸克化特罗

A．扑疟喹 B．磷酸伯氨喹 C．磷酸氯喹 D．阿的平 E．哌喹

A．改变药物的基本结构和基团，以利于和受体的契合 B．提高药物的组织选择性 C．提高化合物的活性 D．延长药物作用时间 E．改善药物的吸收