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．在含量測定方法建立過程中，以回收率估計方法的(      )

A．重復性                                                    B.線性

C.準確度                                                       D.靈敏度

12．中藥注射劑pH值的規(guī)定范圍，一般應在(      )

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，細胞多皺縮，內含棕色核狀物，為哪味藥的特征？(      )

A．熟地黃                                                    B.牡丹皮

C.山茱萸                                                       D.澤瀉