Nursing Pharmacology Exam 1 Solved 100% Correct

pharmacology - ANSWER-the study of drugs and their interactions with living systems Three Properties of an "Ideal Drug" - ANSWER--Effectiveness: Most important property a drug can have -Safety: Drug cannot produce harmful effects -Selectivity: Drug elicits only the response for which it is given -Reversible action (birth control-dont want it to last forever) -Predictability -Ease of administration -Freedom from drug interactions -Low cost -Chemical stability (shelf life) -Simple generic name antagonist - ANSWER-prevents receptor activation Which of the following medications would *not* be administered through a nasogastric tube? (select all that apply) a. Liquids ic coated tablets c. sustained released tablets d. finely crushed tablets e. IV medication - ANSWER-B,C,E Grapefruit juice inhibits P450 CYP3A4 drug metabolizing enzyme and inhibits p-glycoprotein in the intestines for days after ingestion. This especially affects calcium channel blockers, benzodiazepines, cyclosporine and "statin" drugs. The nurse should teach a patient who is prescribed any of these drugs that *drinking grapefruit can cause what problem*? a. Excessive first-pass effect b. Excessive levels of drug in the blood c. Lack of therapeutic effect d. Rapid excretion - ANSWER-B- excessive levels of drug in the blood A patient is prescribed vancomycin orally for antibiotic-associated pseudomembranous colitis. The nurse will monitor the patient for what? A. Leukopenia B. "Red man" syndrome C. Liver impairment