NCLEX-RN
RN NCLEX Practice Questions Questions
Extract:
Question 1 of 5
The sputum of a client remains positive for the tubercle bacillus even though the client has been taking Laniazid (isoniazid). The nurse recognizes that the client should have a negative sputum culture within:
Correct Answer: D
Rationale: With effective treatment, sputum cultures for tuberculosis typically become negative within 2-3 months (approximately 12 weeks), depending on the regimen and adherence.
Question 2 of 5
The nurse is instructing a client with iron-deficiency anemia. Which of the following meal plans would the nurse expect the client to select?
Correct Answer: A
Rationale: Roast beef is a good source of heme iron, which is more easily absorbed, making this meal plan the best choice for a client with iron-deficiency anemia.
Question 3 of 5
A client with chronic obstructive pulmonary disease (COPD) is admitted to the respiratory unit. Which physician prescription should the nurse question?
Correct Answer: A
Rationale: High-flow oxygen (5 L/min) can suppress the hypoxic drive in COPD clients, risking CO2 retention. Low-flow oxygen (1-2 L/min) is safer and should be questioned.
Question 4 of 5
The nurse has an order to administer 100 units of regular insulin in 500 mL of 0.9% NS to infuse at 12 units per hour. The nurse should program the IV pump to deliver how many mLs per hour?
Correct Answer: 60
Rationale: Concentration: 100 units/500 mL = 0.2 units/mL.
To deliver 12 units/hour: 12 ÷ 0.2 = 60 mL/hour.
Question 5 of 5
A client with COPD must have the arterial blood gas (ABG) test and asks the nurse to explain the purpose of the test. Which of the following information should the nurse include? Select all that apply.
Correct Answer: A,B,D
Rationale: ABGs measure CO2, O2, and pH (
A), evaluate treatment efficacy (
B), and guide oxygen therapy (
D). Anemia (
C) is assessed via hemoglobin, not ABGs.