《药理学》复习题一、单项选择题：在每小题给出的 A、B、C、D、E 五个选项中，只有一个最佳答案
请将正确选项的字母填在题后的括号内
1、受体激动药的特点是············································································（ ）A、对受体有亲和力，有内在活性B、对受体无亲和力，有内在活性 C、对受体有亲和力，无内在活性D、对受体无亲和力，无内在活性 E、促进传出神经末梢释放递质2、副作用是在哪种剂量下产生的不良反应A、最小有效量B、治疗剂量C、大剂量D、阈剂量 E、与剂量无关3、药物的半数致死量（LD50）是指·····························································（ ）A、杀死半数病原微生物的剂量 B、引起半数动物死亡的剂量C、致死剂量的一半D、使半数动物产生毒性反应的剂量 E、最小有效量与最小中毒量的一半4、大多数药物通过生物膜的转运方式是·······················································（ ）A、主动转运 B、被动转运C、易化扩散 D、滤过E、经离子通道5、药物半衰期主要取决于其······································································（ ）A、剂量 B、消除速率C、给药途径 D、给药间隔E、分布容积6、首关消除常发生的给药途径是································································（ ）A、口服 B、肌注C、舌下含服 D、静注E、皮下注射7、用于治疗青光眼的药物是·····················
