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chapter 2

pharm principles

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
Created by: rodriguezpjulia



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