ATI RN
ATI Pharmacology Exam 1 Questions
Extract:
Question 1 of 5
The patient is taking low-dose aspirin daily for his heart. The nurse knows only a portion of the medication taken actually reaches the tissue due to what process?
Correct Answer: B
Rationale: The first-pass effect reduces aspirin's systemic availability as the liver metabolizes it after oral administration, decreasing the amount reaching tissues.
Question 2 of 5
The nurse is developing a teaching plan for an elderly patient who will begin taking an antihypertensive drug that causes dizziness and orthostatic hypotension. Which nursing diagnosis is appropriate for this patient?
Correct Answer: D
Rationale: Dizziness and orthostatic hypotension increase fall risk, making 'risk for injury' the priority nursing diagnosis to ensure patient safety.
Question 3 of 5
A clinical drug trial is conducting a study of pharmacokinetics and safety of a drug in healthy individuals. The nurse will assist enrollment of participants into the next phase of the study and will include which subject?
Correct Answer: C
Rationale: Phase II trials test efficacy and safety in patients with the target disease, unlike Phase I, which involves healthy subjects, ensuring relevant therapeutic data.
Question 4 of 5
The nurse gives medication to a patient with a history of liver disease. The nurse will monitor this patient for
Correct Answer: B
Rationale: Liver disease impairs drug metabolism, leading to drug accumulation and increased effects, potentially causing toxicity.
Question 5 of 5
A nurse is caring for a patient who is supposed to receive two drugs at the same time. What is the nurse's priority action?
Correct Answer: B
Rationale: Ensuring drug compatibility is critical when administering multiple drugs simultaneously, especially IV medications, to prevent precipitation or adverse interactions, prioritizing patient safety.