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chapter 2
pharm principles
Term | Definition |
---|---|
Drug | A chem. that affects the physiologic process of a living organism |
Pharmacology | The study or science of drugs |
Chemical name | The chemical components in the med |
Generic name | Most offical drug name |
Trade name | Proprietary name , example Motrin , Advil |
Drug classification | Drugs are grouped together based on similar properties |
Pharmaceutics | The study of how various dosage forms influence the way in which the drug affects the body |
Pharmacokinetics | The study of what the body does with the drug |
Pharmacodynamics | The study of what the drug does to the body |
Pharmacotherapeutics | The clinical use of a drug to prevent a disease |
Toxicology | The study of adverse effects of drugs and other chemicals on living systems |
Pharmacognosy | The study of natural drug sources (ex. plant animals and minerals) |
Pharmacoeconomics | The economic aspects of drug therapy |
Steady state | the physiologic state in which the amount of drug removed via elimination is equal to the amount of drug absorbed in each dose |
Peak level | Highest blood level of a drug (drug is most effective) |
Trough level | Lowest blood level of a drug. Before drug is even given |
Therapeutic effect | a positive change in a faulty physiologic system, (the goal of a medication) |
Agonist | drugs with complete attachment and response are called |
Antagonist | drugs that attach but do not elicit a response are called |
Dependence | physiologic or psychological need for a drug |
Tolerance | is a decreasing response to repeated drug dose |
additive effects | 1+1=2 2 meds are given in smaller doses for a better effect |
synergistic effect | 1+1=>2 2 drugs given together that effects are greater than those of an effect when given each med alone |
Antagonistic effect | 1+1=<2 2 drugs given together and there effect is less than if the 2 meds where given seperatly |