ATI PHARMACOLOGY PROCTORED (ANALYZED QUESTIONS AND ANSWERS)

ATI PHARMACOLOGY PROCTORED (ANALYZED QUESTIONS AND ANSWERS) A provider prescribes phenobarbital for a client who has a seizure disorder. The medication has a long half-life of 4 days. How many times per day should the nurse expect to administer this medication? A. One B. Two C. Three D. Four - CORRECT ANSWER -A. One (Medications with long half-lives remain at their therapeutic levels between doses for long periods of time. The nurse should expect to administer this medication once a day.) A staff educator is reviewing medication dosages and factors that influence medication metabolism with a group of nurses at an in-service presentation. Which of the following factors should the educator include as a reason to administer lower medication dosages? (Select all that apply.) A. Increased renal secretion B. Increased medication-metabolizing enzymes C. Liver failure D. Peripheral vascular disease E. Concurrent use of medication the same pathway metabolizes - CORRECT ANSWER -C. Liver failure E. Concurrent use of medication the same pathway metabolizes C. Liver failure decreases metabolism and thus increases the concentration of a medication. This requires decreasing the dosage.