Chapter 13 - Pharmacology (Nancy Caroline's Emergency Care in the Streets 8th Edition

3 Names Every Medication Has - Chemical, generic, brand 4 Possible Actions when a medication binds with a receptor site - 1. channels permitting passage of ions are opened or closed 2. biochemical messenger becomes activated, initiating other chemical reactions within the cell 3. normal cell function prevented 4. normal or abnormal function of a cell begins absolute refractory period - The early phase of cardiac repolarization, wherein the heart muscle cannot be stimulated to depolarize; aka: effective refractory period Absorption - the process by which the molecules of a substance are moved from the site of entry or administration into systemic circulation Acetylcholinesterase - enzyme that breaks down acetylcholine active metabolite - A medication that has undergone biotransformation and is able to alter a cellular process or body function. active transport - the process of molecules binding with carrier proteins when energy is used to move the molecules against a concentration gradient addition/summation (medication interaction) - joint effect EQUALS sum of the effect of each of the drugs given alone. 1+1=