11.正品紫花地丁的来源是

A.堇菜科植物东北堇菜的全草                       B.堇菜科植物紫花地丁的全草

C.堇菜科植物紫花地丁的根                           D.豆科植物米口袋的全草

12.鉴别珍珠真伪的要点是

A.形状要圆，类球形                                     B.表面有光泽

C.断面有平行层纹                                         D.表面具特有的珍珠光泽，断面有同心层纹

13.朱砂中呈细小颗粒或粉末状，色红明亮，触之不染手者，习称

A.辰砂                                                          B.朱宝砂

C.镜面砂                                                       D.豆瓣砂

14.取少许粉末投入水中，在水面旋转并呈现黄线下沉、短时间内不扩散者为

A.蟾酥                                                          B.麝香

C.熊胆                                                          D.牛黄

15.冬虫夏草是冬虫夏草菌寄生在昆虫蝙蝠蛾幼虫上，其入药部位是干燥的

A.子实体                                                       B.菌核

C.子座                                                          D.子座和虫体

16.测定膨胀度的药材是

A.牛蒡子                                                       B.枸杞子

C.女贞子                                                       D.葶苈子

17.维管束异型的茎木类药材是

A.川木通                                                       B.鸡血藤

C.大血藤                                                       D.钩藤

18.皮类中药通常是指来源于裸子植物或被子植物茎、枝或根的

A.木栓形成层以外的部分                              B.周皮部分

C.形成层以外的部分                                     D.皮层以内的部分

19.以下哪种药材的水溶液可以使指甲染黄即“挂甲”？

A.蟾酥                                                          B.牛黄

C.麝香                                                          D.熊胆

20.冰片燃烧时产生的现象是

A.浓黑烟                                                       B.白色烟

C.紫红色烟                                                   D.蓝色火焰