NCLEX-RN
Practice NCLEX RN Test Questions
Extract:
Question 1 of 5
Which statement by the client regarding sickle cell disease indicates a need for further teaching?
Correct Answer: B
Rationale: Alcohol, including red wine, can cause dehydration and increase the risk of sickle cell crisis, so it should be avoided. Other statements are correct.
Question 2 of 5
The physician has ordered cultures for cytomegalovirus (CMV). Which statement is true of the collection of cultures for cytomegalovirus?
Correct Answer: D
Rationale: Fresh specimens are critical for accurate CMV culture results, as the virus is labile and degrades quickly.
Question 3 of 5
The nurse finds a client smoking marijuana in the hospital and tells her that no smoking or use of drugs is allowed in the facility. The client responds by shouting, 'What business is it of yours? Leave me alone!' Which of the following initial responses is the best for the nurse to use to defuse the situation?
Correct Answer: D
Rationale: A calm, polite request to stop (
D) de-escalates the situation while reinforcing the rule. Other responses (A, B,
C) are confrontational and likely to escalate the client's agitation.
Question 4 of 5
What is the critical point for PO2 (the 'ICU' point), the percentage point at which there is marked decrease in oxygen saturation? Record your answer using a whole number.
Correct Answer: 90
Rationale: The critical PO2 point is around 90 mmHg, where oxygen saturation drops significantly, often requiring ICU intervention.
Question 5 of 5
The physician has ordered intubation and mechanical ventilation for a client with periods of apnea following a closed head injury. Arterial blood gases reveal a pH of 7.47, PCO2 of 28, and HCO3 of 23. These findings indicate that the client has:
Correct Answer: B
Rationale: A pH of 7.47 and PCO2 of 28 indicate respiratory alkalosis, likely due to hyperventilation from the head injury.