NURS 309 final exam (100% Accurate Answers)

pharmaceutics correct answers the science of preparing and dispensing drugs, including dosage form design pharmacokinetics correct answers the study of what happens to a drug from the time it's put into the body to when all of the metabolites leaves the body - absorption, distribution, metabolism, and excretion pharmacodynamics correct answers The study of the biochemical and physiologic interactions of drugs at their sites of activity what the drug does to the body pharmacotherapeutics correct answers the tx of pathologic conditions through the use of drugs describes a disease and the drugs used to tx it enteral route correct answers absorption into the systemic circulation through oral or gastric mucosa or through the small intestine distribution correct answers transport of a drug by the bloodstream to its site of action *deals with protein binding characteristics of a drug metabolism correct answers biotransformation of a drug occurs primarily in the liver rate of metabolism correct answers determines how long a drug is good for, % of the drug that is metabolized each time it is circulated thru the liver, determines therapeutic effectiveness and duration of effect CP450 Enzymes correct answers chemical that the liver uses to metabolize drugs the most active enzyme of metabolism some drugs and foods alter this system first pass effect correct answers occurs when orally-administered drugs initially pass through the hepaticportal circulation (liver), which reduces the amount of effect drug excretion correct answers elimination of drugs from the body half-life correct answers time required for 50% of a drug to be eliminated from the body affected by distribution, metabolism, and excretion steady state correct answers amount in = amount out takes 4-5 half lives to reach this accelerated by giving a loading dose clearance correct answers rate at which molecules disappear from the circulation