11.秦艽抗炎作用的有效成分是(      )

A.秦艽碱甲                                                   B．秦艽碱乙  

C．秦艽丙素                                                 D．龙胆苦碱

12.厚朴抗菌作用的有效成分是(      )

A.厚朴酚与和厚朴酚                                     B．厚朴酚与异厚朴酚

C．异厚朴酚与和厚朴酚                               D．异厚朴酚与β－桉油醇

13.益母草对子宫的作用是(      )

A．兴奋                                                        B．抑制  

C．无作用                                                    D．双向调节

14.茵陈利胆作用最强的有效成分是(      )

A.6,7-甲基香豆素                                          B．茵陈色原酮      

C．绿原酮                                                    D．茵陈炔酮

15.下列哪些作用不是理气药主要的药理作用?(      )

A.缓解胃肠平滑肌痉挛                                  B．促进胃液分泌

C．降低血压                                                 D．松弛支气管平滑肌

16.枳实升压作用的有效成分是(      )

A.对羟福林与新橙皮苷                                  B．对羟福林与柚皮苷

C．对羟福林与N－甲基酪胺                         D．对羟福林－与右旋柠檬烯

17.枳壳对胃肠平滑肌的作用是(      )

A．兴奋                                                        B．抑制  

C．无作用                                                    D．双向调节

18.山楂抗动脉粥样硬化的有效成分是(      )

A.山楂酸                                                       B．琥珀酸      

C．熊果酸                                                    D．绿原酸

19.延胡索镇痛作用的有效成分是(      )

A.延胡索甲素                                                B．延胡索乙素      

C．延胡索丑素                                             D．去氢延胡索甲素

20.酸枣仁降压作用的机理是(      )

A.抑制血管运动中枢                                     B．阻断交感神经节

C．抑制去甲肾上腺素释放                            D．直接扩张血管