NCLEX-RN
Free NCLEX RN Practice Questions Questions
Extract:
Question 1 of 5
The client is admitted to the emergency room with shortness of breath, anxiety, and tachycardia. His ECG reveals atrial fibrillation with a ventricular response rate of 130 beats per minute. The doctor orders quinidine sulfate. While he is receiving quinidine, the nurse should monitor his ECG for:
Correct Answer: D
Rationale: Quinidine can prolong the QT interval, increasing the risk of torsades de pointes.
Question 2 of 5
The nurse is reviewing the lab results of a client's arterial blood gases. The $\mathrm{PaCO}_2$ indicates effective functioning of the:
Correct Answer: C
Rationale: PaCO2 reflects lung function, as the lungs regulate carbon dioxide levels through ventilation; abnormal levels indicate respiratory issues.
Question 3 of 5
Which action is contraindicated in the client with epiglottis?
Correct Answer: B
Rationale: Using a tongue blade can trigger airway obstruction in epiglottitis, making it contraindicated.
Question 4 of 5
The nurse is preparing to pull a thin, frail client up in the bed. No one responds to the nurse's call for lifting assistance. Which is the best action by the nurse?
Correct Answer: C
Rationale: Using the draw sheet to pull the client up is the safest option to prevent injury to both the client and nurse when assistance is unavailable.
Question 5 of 5
A client is receiving oxygen therapy at 3 L/min per nasal cannula. Which of the following fraction of inspired oxygen (FiO2) measurements does the nurse expect that the client is receiving?
Correct Answer: C
Rationale: Nasal cannula at 3 L/min delivers approximately 32% FiO2 (
C), as each liter increases FiO2 by about 4% above room air (21%). Other percentages (A, B,
D) do not correspond to this flow rate.