ATI LPN
ATI PN Custom Pharmacology Questions
Extract:
Question 1 of 5
Which difference in pharmacokinetics does the nurse expect in the obese patient as compared with the thin patient with administration of a highly lipid-soluble drug?
Correct Answer: D
Rationale: In obese patients, lipid-soluble drugs accumulate in fat stores, slowing elimination due to increased volume of distribution and prolonged half-life.
Question 2 of 5
Which range of the normal adult dose, with the amount of medication increasing over time, is used when initiating drug therapy in elderly adults?
Correct Answer: D
Rationale: One-third to one-half balances efficacy and safety in elderly patients.
Question 3 of 5
Which goal is a measurable statement for a patient taking insulin injections?
Correct Answer: A
Rationale: This goal is measurable with a specific timeframe (2 weeks) for self-administration.
Question 4 of 5
Which aspect of pharmacokinetics should the nurse be most concerned with when caring for a patient with abnormal functioning of hepatic enzymes?
Correct Answer: D
Rationale: Hepatic enzymes primarily affect drug metabolism in the liver.
Question 5 of 5
A patient takes two medications. Drug A is taken once per day; drug B is taken every 8 hours. Which conclusion about drug A is correct?
Correct Answer: C
Rationale: Once-daily dosing suggests a longer half-life compared to every 8 hours.