NCLEX-PN
Respiratory System NCLEX Questions Questions
Extract:
Question 1 of 5
An adult client is to have a sputum for culture. When is the best time for the nurse to collect the specimen?
Correct Answer: A
Rationale: The sputum has collected during the night, making it most concentrated and ideal for culture early in the morning.
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
The employee health nurse is administering tuberculin skin testing to employees who have possibly been exposed to a client with active tuberculosis (Tb). Which statement indicates the need for radiological evaluation instead of skin testing?
Correct Answer: C
Rationale: A prior positive TB skin test (
C) indicates exposure, requiring CXR to assess active disease, not repeat skin testing. Purple area (
A) is normal, 4 mm (
B) is negative, and no reaction (
D) warrants testing.
Question 4 of 5
The client with ARDS is on a mechanical ventilator. Which intervention should be included in the nursing care plan addressing the endotracheal tube (ET) care?
Correct Answer: D
Rationale: Securing the ET tube (
D) prevents dislodgement, critical for ventilation. Avoiding movement (
A), daily CXR (
B), and cuff deflation (
C) are incorrect or secondary.
Question 5 of 5
The influenza vaccine is in short supply. Which group of clients would the public health nurse consider priority when administering the vaccine?
Correct Answer: A
Rationale: Elderly and chronically ill (
A) are at highest risk for flu complications, prioritizing them. Child-care workers/children (
B), chaplains/HCWs (
C), and teachers/students (
D) are secondary.