NURSE-UN 1463 - Final Exam Study Guide.

NURSE-UN 1463 - Final Exam Study Guide/NURSE-UN 1463 - Final Exam Study Guide. Week 1: Pharmacokinetics/Pharmacodynamics Review on Pharmacokinetics/Pharmacodynamics Definitions Pharmacokinetics - how medications are absorbed; distributed; metabolized into cells, tissues, or organs; and how they are excreted. “Motion” – what the body does to the drug Pharmacodynamics - effects of drugs on the body; drugs act within the body to mimic the actions of the body’s own chemical messengers. “Action” - what the drug does to the body. individual’s Drug Phases Pharmacokinetic phase Absorption (affected by different routes) Distribution (affected by body composition. Ex. Differences in fat) Metabolism (affected by liver function) Excretion (affected by kidney function) Pharmacodynamic phase Receptor binding Postreceptor effects Chemical reaction