21.半夏和天南星都忌用的病證是(      )

A.寒痰                                B.濕痰

C.熱痰                                D.風痰

22.紫菀的功效是(      )

A.潤肺化痰止咳                        B.清肺化痰止咳

C.溫肺化痰止咳                        D.宣肺化痰止咳

23.癥見心悸失眠、健忘、體虛自汗，宜用(      )

A.柏子仁                              B.遠志

C.酸棗仁                              D.朱砂

24.磁石入藥應(yīng)(      )

A.后下                                B.先下   

C.沖服                                D.包煎

25.既能清肝熱，又能息肝風，平肝陽的藥物是(      )

A.珍珠母                              B.牛黃

C.羚羊角                              D.石決明

26.具有開竅醒神、活血散結(jié)作用的藥物是(      )

A.牛黃                                B.麝香

C.冰片                                D.石菖蒲

27.具有補血、活血、止痛、潤腸功效的藥是(      )

A.白芍                                B.阿膠   

C.當歸                                D.熟地

28.肝腎虧虛，胎動不安，腰膝酸軟，應(yīng)選的藥物是(      )

A.杜仲                                B.當歸

C.白術(shù)                                D.狗脊

29.溫病傷陰，夜熱早涼，青蒿最宜配伍的藥是(      )

A.地骨皮                              B.鱉甲   

C.枸杞子                              D.麥冬

30.治療脘腹四肢攣急作痛，常配伍白芍使用的藥物是(      )

A.大棗                                B.桂枝

C.白扁豆                              D.甘草