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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 |