6．含下列哪一種藥材的中藥制劑可用異羥肟酸鐵比色法測(cè)定總生物堿的含量(      )

A．附子                                                        B.麻黃

C.防己                                                          D.黃連

7．常用于黃酮類化合物定量顯色反應(yīng)的試劑是(      )

A．鹽酸-鎂粉                                                B.醋酸鈉

C.甲酸鈉                                                       D.三氯化鋁或硝酸鋁

8．大多數(shù)揮發(fā)油在何種酸存在下可與茴香醛形成各種顏色的化合物(      )

A．濃硝酸                                                    B.高氯酸

C.濃硫酸                                                       D.氫碘酸

9．可從水提液中提取皂苷的溶劑是(      )

A．正丁醇                                                    B.苯

C.甲醇                                                          D.氯仿

10．合劑與口服液最常用的凈化方法為(      )

A.液-固萃取                                                  B.液-液萃取

C.蒸餾法                                                       D.沉淀法

11．在含量測(cè)定方法建立過程中，以回收率估計(jì)方法的(      )

A．重復(fù)性                                                    B.線性

C.準(zhǔn)確度                                                       D.靈敏度

12．中藥注射劑pH值的規(guī)定范圍，一般應(yīng)在(      )

A．2~6                                                         B.4~9

C.5~10                                                          D.6~8

13．生物堿雷氏鹽比色法溶解沉淀的溶液是(      )

A．酸水液                                                    B.堿水液

C.丙酮                                                          D.氯仿

14．中藥制劑的顯微鑒別最適用于(      )

A．用水煎法制成制劑的鑒別                        B.用藥材提取物制成制劑的鑒別

C.用蒸餾法制成制劑的鑒別                           D.含有原生藥粉的制劑的鑒別

15．在六味地黃丸的顯微鑒別中，薄壁組織棕色至黑色，細(xì)胞多皺縮，內(nèi)含棕色核狀物，為哪味藥的特征？(      )

A．熟地黃                                                    B.牡丹皮

C.山茱萸                                                       D.澤瀉