NCLEX-PN
Respiratory System NCLEX Questions Questions
Extract:
Question 1 of 5
A patient is ordered at 1400 to take Theophylline. You're assessing the patient's morning lab results and note that the Theophylline level drawn this morning reads: $15 \mathrm{mcg} / \mathrm{mL}$. You're next nursing action is to?
Correct Answer: A
Rationale: A Theophylline level of 15 mcg/mL is within the therapeutic range (10-20 mcg/mL), so the dose should be administered as ordered . No further action is needed.
Question 2 of 5
When the client asks why the physician prescribed this particular cough medicine, the nurse correctly responds that the guaifenesin liquefies mucus while the codeine is responsible for which action?
Correct Answer: C
Rationale: Codeine in cough syrup acts as an antitussive, suppressing the cough reflex to reduce coughing episodes.
Question 3 of 5
A patient has a PPD skin test (Mantoux test). As the nurse you tell the patient to report back to the office in so the results can be interpreted?
Correct Answer: C
Rationale: The PPD skin test (Mantoux) is read 48-72 hours after administration to assess for induration, as this is the standard timeframe for an accurate immune response to be visible.
Question 4 of 5
You're educating a patient with pneumonia how to deep breathe by using an incentive spirometer. Which of the following is the correct way to use this device?
Correct Answer: C
Rationale: Correct incentive spirometer use involves slow, deep inhalation to maximize lung expansion, holding the breath for 6 seconds to keep alveoli open, and then exhaling . Other options describe incorrect techniques that don't promote effective lung expansion.
Question 5 of 5
After administering morphine sulfate (Roxanol) to the client, which of the following is most important for the nurse to assess?
Correct Answer: D
Rationale: Morphine can cause respiratory depression, so assessing the rate and depth of respirations is critical to ensure safety.