ATI RN
ATI Custom Pharmacology Exam 2 Questions
Extract:
Question 1 of 5
Which medication route provides the most rapid onset of a medication but also poses the greatest risk of adverse effect if administered incorrectly?
Correct Answer: D
Rationale: Intravenous administration delivers medication directly into the bloodstream, offering the fastest onset but high risk of adverse effects if errors occur.
Question 2 of 5
What is the action of timolol maleate (Timoptic), a beta-adrenergic blocking agent?
Correct Answer: D
Rationale: Timolol reduces intraocular pressure in glaucoma by decreasing aqueous humor production in the ciliary body, its primary mechanism of action.
Question 3 of 5
A nurse is caring for a client who has an infection and a prescription for gentamicin Intermittent IV bolus every 8 hr. A peak and trough are required with the next dose. Which of the following actions should the nurse take to obtain an accurate gentamicin serum level?
Correct Answer: B
Rationale: Drawing a trough just before and a peak 30 minutes after gentamicin administration ensures accurate measurement of minimum and maximum serum levels.
Question 4 of 5
A nurse at an ophthalmology clinic Is providing teaching to a client who has open-angle glaucoma and a new treatment regimen of timolol and pilocarpine eye drops. Which of the following instructions should the nurse provide?
Correct Answer: C
Rationale: Administering timolol and pilocarpine 5 minutes apart allows each medication to be absorbed properly without interference, maximizing their effectiveness in treating glaucoma.
Question 5 of 5
A nurse is teaching a client who has a new prescription for erythromycin. Which of the following Information should the nurse include?
Correct Answer: A
Rationale: Erythromycin can cause ototoxicity, which may present as tinnitus (ringing in the ears). Monitoring for this side effect is important to prevent potential hearing damage.