ATI RN
RN VATI Pharmacology S 2019 Questions
Extract:
Question 1 of 5
A nurse is preparing to administer dopamine 5 mcg/kg/min by continuous IV infusion to a client who weighs 220 lb. Available is 400 mg of dopamine in 250 mL of 0.9% sodium chloride. The nurse should set the IV pump to deliver how many mL/hr?
Correct Answer: A
Rationale: Convert 220 lb to 100 kg, calculate dose (500 mcg/min = 0.5 mg/min), then infusion rate: (0.5 mg/min / 400 mg) * 250 mL * 60 min/h = 18.8 mL/hr.
Question 2 of 5
A nurse is caring for a client who has anxiety and a prescription for oral lorazepam PRN. Which of the following is the correct way to transcribe the prescription into the electronic medical record?
Correct Answer: C
Rationale: The transcription 'Lorazepam 2.5 mg PO every 8 hours as needed for anxiety' correctly reflects the PRN order for anxiety.
Question 3 of 5
A nurse discovers that a client has been administered a higher dose of oxybutynin than the prescription indicates. The nurse should assess the client for which of the following adverse effects?
Correct Answer: D
Rationale: Oxybutynin, an anticholinergic, can cause bradycardia due to inhibition of acetylcholine, which regulates heart rate. Assessing for bradycardia is critical after an overdose.
Question 4 of 5
A nurse who is caring for a preschooler should question a prescription for which of the following antibiotics?
Correct Answer: B
Rationale: Tetracycline is contraindicated in children under 8 years due to the risk of permanent tooth discoloration and damage to developing bones.
Question 5 of 5
A nurse is assessing a client who is receiving total parenteral nutrition (TPN). Which of the following findings should the nurse identify as an adverse effect of TPN
Correct Answer: D
Rationale: TPN can cause fluid overload, manifesting as peripheral pitting edema, indicating excess fluid accumulation in tissues.