URI NUR 243 UPDATED QUESTIONS AND CORRECT ANSWERS

URI NUR 243 UPDATED QUESTIONS
AND CORRECT ANSWERS
Pharmacokinetics - CORRECT ANSWER the study of drug movement throughout the body



4 steps pharmokinetics - CORRECT ANSWER absorption, distribution, metabolism, excretion



Absorption - CORRECT ANSWER drug movement from the site of injection into the blood



Increased lipid solubility leads to ____ absorption - CORRECT ANSWER increased



IV absorption - CORRECT ANSWER immediate



IM / subcutaneous absorption - CORRECT ANSWER rapid if H2O soluble

Poor if not



Oral absorption - CORRECT ANSWER slow, variable



Enteral - CORRECT ANSWER within GI tract - oral



Parenteral - CORRECT ANSWER outside GI tract - IV, IM, subcutaneous



Distribution - CORRECT ANSWER drug travels from blood into tissue and cells



Increased tissue blood flow leads to ___ distribution - CORRECT ANSWER increased



Protein bound drugs - CORRECT ANSWER can't cross capillary walls



Free drugs - CORRECT ANSWER not bound to protein, can cross capillary walls