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药理学总论及作用于中枢神经系统的药物一、A型题(MCQ—A_1) 答题说明:每一道考题设A、B、C、D、E五个备选答案。答题时,只许从中选择一个最合适的答案。 1、药物的半衰期(t1/2)是指: A、药物自体内由肾排出游离药一半所需时间 B、血中药物浓度降低一半所需时间 C、药物由肝代谢一半所需时间 D、药物在体内由酶破坏一半所需时间 E、药物由体内的血中最高浓度分布到其它组织一半所需时间
Pharmacology and the role of drugs in the central nervous system A, A-type questions (MCQ-A_1) Answer Description: Each question is set A, B, C, D, E five alternative answers. When answering questions, only one of the most suitable answers can be chosen. 1, the half-life of the drug (t1 / 2) refers to: A, the drug from the body by the kidney half of the time required for the release of free drugs B, half the time required to reduce blood drug concentration C, half the time required for drug metabolism by the liver D, The time required for the drug to break by half of the enzyme in the body E, the time required for the drug to be distributed halfway through the highest concentration of blood in the body to other tissues