Nursing MSN 571 Final Exam |Question and Answer| 100% Correct

Nursing MSN 571 Final Exam |Question and Answer| 100% Correct Prescriptive authority *Ans* legal authority granted to advanced practice nurses to prescribe medication; DETERMINED BY STATE LAW Rational Drug Selection *Ans* based on individual patient and addresses disease specific information: ONLY A GUIDELINE Drug Selection *Ans* includes analysis of cost, guidelines, avaibalbility, interactions, side effects, allergies, hepatic and renal function, need for monitoring, special precautions i.e elderly medication education basic components *Ans* medication name purpose dosing regimen administration adverse effects any storage needs associated labs testing food & drug interactions duration of therapy medication adherence *Ans* barriers to adherence= forgetfulness lack of planning cost dissatisfaction altered dosing Phamacokinetics *Ans* study of drug movement throughout body principles of pharmacokinetics *Ans* absorption distribution metabolism excretion Passage of drugs across membranes *Ans* - channels and pores - transport systems (P-glycoprotein) - direct penetration of the membrane Absorption of drugs *Ans* Transfer of drugs from site of administration across cell membrane into the blood stream factors that affect absorption of drugs *Ans* rate of dissolution- how easy dissolves surface area- >surface area moves faster blood flow- >blood flow moves faster lipid solubility - lipid easily cross membrane ph partitioning - Distribution of drugs *Ans* movement of drugs from systemic circulation to site of drug action factors that determine drug flow *Ans* blood flow to tissues ability to exit vascular system ability to enter cell Drug ability to exit vascular system *Ans* capillary