6.副作用能引起儿童牙齿变色、骨骼生长抑制的抗生素是

A.氯霉素类                                                      B.大环内酯类

C.四环素类                                                      D.氨基糖苷类

7.下列属于全身麻醉药的是

A.盐酸甲哌卡因                                               B.羟丁酸钠

C.盐酸利多卡因                                               D.盐酸达克罗宁

8.下列属于吡唑酮类解热镇痛药的是

A.萘普生                                                         B.吲哚美辛

C.安乃近                                                         D.对乙酰氨基酚

9.甲氧苄啶是

A.二氢叶酸合成酶抑制剂                                 B.二氢叶酸还原酶抑制剂

C.磷酸二酯酶抑制剂                                        D.碳酸酐酶抑制剂

10.与甲苯磺丁脲性质不符的是

A.具有酰脲结构                                               B.可促进胰岛素分泌

C.属长效磺酰脲类降糖药                                 D.特别适于治疗老年糖尿病

11.扑热息痛在药典中规定应限量杂质

A.对氨基苯酚                                                  B.水杨酸

C.醋酸苯酯                                                      D.水杨酸苯酯

12.药物左旋体可镇痛、右旋体可镇咳的是

A.芬太尼                                                         B.美沙酮

C.哌替啶                                                         D.可待因

13.下列巴比妥类药物中显效最快的是

A.苯巴比妥pKa7.4（未解离率50%）               B.异戊巴比妥pKa7.9（未解离率75%）

C.戊巴比妥pKa8.0（未解离率80%）               D.海索比妥pKa8.4（未解离率90%）

14.磺胺类抗菌药的必需结构是

A.邻氨基苯磺酰胺                                           B.对氨基苯磺酰胺

C.4位有酮羰基                                                D.苯环上有氟原子

15.具有下列结构的药物临床主要用作

A.胆碱受体激动剂                                           B.胆碱受体拮抗剂

C.肾上腺素能激动剂                                        D.肾上腺素能拮抗剂