11.下列除哪项外均为党参的性状特征？

A.圆锥形或纺锤形                                           B.根头部有多数疣状突起

C.支根断落处常有黑褐色胶状物                      D.断面显“金井玉兰”

12.三七的横断面为

A.黄棕色，有裂隙

B.黄绿色，有红色油室点

C.灰绿色或黄绿色，有棕色树脂道斑点

D.红棕色，有白色小点

13.“虎皮斑”是哪种药材的性状特征？

A.松贝                                                             B.青贝

C.大贝                                                             D.炉贝

14.断面外部颗粒性内部纤维性，有时可见多数发亮细小结晶，味苦，带辛辣感的药材是

A.厚朴                                                             B.肉桂

C.杜仲                                                             D.黄柏

15.白芷与杭白芷横切面的区别点在于

A．木栓层构造                                                B.皮层内纤维形

C.分泌组织的类型                                           D.形成层的形状

16.以下哪一种药材粉末中有晶纤维？

A．大黄                                                          B.黄芪

C.甘草                                                             D.牛膝

17.麻黄生物碱主要存在于

A.节部                                                             B.节间髓部

C.木质部                                                         D.皮部

18.遇水粘滑性较强，《药典》规定膨胀度不得低于12的药材是

A.北葶苈子                                                      B.沙苑子

C.菟丝子                                                         D.天仙子

19.以种仁入药的是

A.马钱子                                                         B.槟榔

C.薏苡仁                                                         D.草豆蔻

20.含内脂类成分、味极苦的药材是

A.肉苁蓉                                                         B.广藿香

C.薄荷                                                             D.穿心莲