NCLEX-PN
NCLEX Respiratory Questions Questions
Extract:
Question 1 of 5
You're caring for a patient with pneumonia. The patient has just started treatment for pneumonia and is still experiencing hypoxemia. You know that respiratory acidosis is very common with patients with pneumonia. Which arterial blood gases below represent respiratory acidosis that is NOT compensated?
Correct Answer: A
Rationale: Respiratory acidosis is characterized by low pH (<7.35) and high PaCO2 (>45). Option A (pH 7.29, PaCO2 55, HCO3 23) shows uncompensated respiratory acidosis, as HCO3 is normal, indicating no renal compensation. Other options show normal pH, respiratory alkalosis, or invalid data.
Question 2 of 5
The nurse is preparing the client for a polysomnography to confirm sleep apnea. Which preprocedure instruction should the nurse include?
Correct Answer: C
Rationale: Polysomnography involves overnight monitoring in a sleep lab (
C) to assess sleep patterns and confirm sleep apnea. Fasting (
A) is unnecessary. Sedatives (
B) are avoided to ensure natural sleep. Home monitors (
D) are used for different tests, not polysomnography.
Question 3 of 5
Which nursing observation provides the best evidence that postural drainage is effective?
Correct Answer: D
Rationale: Raising a large volume of sputum indicates that postural drainage is effectively clearing secretions from the airways.
Question 4 of 5
The wife of a client with active tuberculosis has a positive skin test for tuberculosis. She is to be started on prophylactic drug therapy. What drug is the drug of choice for prophylaxis of tuberculosis?
Correct Answer: C
Rationale: Isoniazid is the drug of choice for tuberculosis prophylaxis due to its effectiveness in preventing active disease.
Question 5 of 5
Which data are significant when assessing a client diagnosed with rule-out Legionnaires' disease?
Correct Answer: B
Rationale: Symptoms like aching muscles, high fever, malaise, and coughing (
B) are characteristic of Legionnaires' disease, a severe pneumonia. Smoking history (
A) is non-specific. Exposure to Legionella (
C) is a risk factor, not a clinical datum. Decreased lung sounds (
D) are less specific than systemic symptoms.