NCLEX-RN
NCLEX RN Practice Questions
Extract:
Question 1 of 5
A client diagnosed with COPD is receiving theophylline. Morning laboratory values reveal a theophylline level of 38 mcg/mL. The most appropriate action by the nurse would be to:
Correct Answer: B
Rationale: A theophylline level of 38 mcg/mL is toxic (therapeutic range: 10-20 mcg/mL), requiring immediate physician notification to prevent complications like seizures.
Question 2 of 5
A medication error has occurred, and the client has received double the ordered dosage of magnesium sulfate. The nurse anticipates the physician will order what medication STAT?
Correct Answer: D
Rationale: Magnesium sulfate overdose causes hypermagnesemia, treated with calcium gluconate to counteract toxicity (e.g., respiratory depression, hypotension).
Question 3 of 5
The nurse is caring for a client with stage III Alzheimer's disease. A characteristic of this stage is:
Correct Answer: D
Rationale: Stage III Alzheimer's is characterized by severe cognitive decline, including inability to communicate effectively, often limited to simple phrases or gestures.
Question 4 of 5
The nurse has an order to administer a heparin drip at 12 units/kg/hr. The client weighs 178 pounds. The heparin is available as 25,000 units in 500 mL D5W. At which rate should the nurse program the pump?
Correct Answer: 11.3
Rationale: Weight: 178 lbs ÷ 2.2 = 80.91 kg. Dose: 80.91 × 12 = 970.92 units/hr. Concentration: 25,000 units ÷ 500 mL = 50 units/mL. Rate: 970.92 ÷ 50 = 19.42 mL/hr (rounded to 19.4 mL/hr).
Question 5 of 5
Which of the following post-operative diets is most appropriate for the client who has had a hemorrhoidectomy?
Correct Answer: A
Rationale: High-fiber diets promote soft stools, reducing strain post-hemorrhoidectomy.