NCSBN, NCLEX-RN Pharmacology Review

NCSBN, NCLEX-RN Pharmacology Review PharmacoDYNAMICS - (how a medicine changes the body) - it's the mechanism of drug action and its relationship between drug concentration and responses of the body PharmacoDYNAMICS - 1.Used to help predict if the medication will assist the client or will produce a significant change in the client 2.Replaces a missing substance 3.Destroys or inhibits a pathogen 4.Stimulates, suppresses, or disrupts a process PharmacoKINETICS - Consists of four processes: absorption, distribution, biotransformation (metabolism) and excretion PharmacoKINETICS (absorption) - movement of the drug through blood circulation from the site of administration to target tissue i. onset of action: the time between the administration of a medication and the beginning of its effects ii. duration: amount of time that a medication exerts its effects, therapeutic and adverse iii. bioavailability: amount of drug that reaches the target tissue