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1 合理用药的基本概念与要求药物为用以预防、治疗及诊断疾病的物质.就药物与机体相互作用的关系而论,药物可使机体的细胞、组织、器官发生功能改变,而机体也可使药物发生化学变化,当然也受到病原的影响.概括地说,药物的作用主要表现在通过兴奋或抑制调节生理功能,改善病理状态;通过干扰病原体的代谢,抑制其生长、繁殖;通过补充机体物质,补偿机体功能.药物的作用方式,可按其作用范围分为局部作用(未被吸收前在局部所呈现的作用)与吸收作用(药物被吸收后,对细胞、组织、器官所呈现的作用);
A rational use of the basic concepts and requirements Drugs are used to prevent, treat and diagnose disease substances in terms of drug interactions with the body, the drug can make the body’s cells, tissues and organs function changes, and the body can So that the chemical changes in the drug, of course, also affected by the pathogen.In general, the role of drugs mainly through the regulation of excitement or inhibition of physiological function, to improve the pathological state; by interfering with the metabolism of pathogens to inhibit their growth and reproduction; by supplementing the body Substances, compensating the function of the body.Pharmaceutical mode of action, according to their scope of action is divided into local action (before being absorbed in the role of local presentation) and absorption (after the drug is absorbed, the cells, tissues, organs presented effect);