ATI RN
ATI Pharmacology Exam 1 Questions
Extract:
Question 1 of 5
The nurse learns that a patient cannot afford a prescribed medication and enlists the assistance of the social worker and an outside agency to provide medications at a lower cost. Which QSEN competency do the nurse's actions best demonstrate?
Correct Answer: C
Rationale: Addressing financial barriers to medication access reflects patient-centered care, prioritizing the patient's individual needs and values.
Question 2 of 5
What factors can influence drug absorption? (Select all apply)
Correct Answer: C,D
Rationale: Liver function affects metabolism and first-pass effects, while the route of administration (e.g., oral vs. IV) directly impacts absorption rates.
Question 3 of 5
The nurse gives 800 mg of a drug that has a half-life of 8 hours. How much drug will be left in the body in 24 hours if no additional drug is given?
Correct Answer: C
Rationale: The drug's half-life is 8 hours, meaning its concentration halves every 8 hours. Starting with 800 mg: at 8 hours, 400 mg remains; at 16 hours, 200 mg; at 24 hours, 100 mg. Thus, 100 mg remains after 24 hours.
Question 4 of 5
What concept is considered when generic drugs are substituted for brand-name drugs?
Correct Answer: A
Rationale: Bioavailability ensures generic drugs deliver the same active ingredient to systemic circulation as brand-name drugs, confirming therapeutic equivalence.
Question 5 of 5
When the nurse practices the six rights of medication, what does it ensure?
Correct Answer: A
Rationale: The six rights minimize medication errors, ensuring safe administration and patient safety.