NCLEX Questions Respiratory

Extract:

Question 1 of 5

The ABG analysis results reveal that the client's partial pressure of arterial carbon dioxide (PaCO2) is 65 mm Hg. The nurse recognizes that this is abnormal because normal PaCO2 levels fall between which values?

Correct Answer: C

Rationale: Normal PaCO2 levels are 35 to 45 mm Hg; a value of 65 mm Hg indicates hypercapnia, common in COPD.

Question 2 of 5

A patient receiving medical treatment for an active tuberculosis infection asks when she can starting going out in public again. You respond that she is no longer contagious when:

A. She has 3 negative sputum cultures B. Her signs and symptoms improve C. She has completed the full medication regime D. Her chest x-ray is normal E. She has been on tuberculosis medications for about 3 weeks

Correct Answer: A,B,E

Rationale: These are all criteria for when a patient with active TB can return to public life (school, work, running errands). Until then they are still contagious and must stay home in isolation.

Question 3 of 5

Which assessment data indicate to the nurse the chest tubes inserted three (3) days ago have been effective in treating the client with a hemothorax?

A. Gentle bubbling in the suction compartment. B. No fluctuation (tidaling) in the water-seal compartment. C. The drainage compartment has 250 mL of blood. D. The client is able to deep breathe without any pain.

Correct Answer: B

Rationale: No tidaling (
B) indicates lung re-expansion, showing effective hemothorax treatment. Bubbling (
A) suggests air leak, drainage (
C) is expected, and pain-free breathing (
D) is secondary.

Question 4 of 5

Before recommending the use of a nonprescription decongestant to a client with a cold, which aspect of the medical history should be assessed? Select all that apply.

A. Arthritis B. Asthma C. Hypertension D. Diabetes E. Glaucoma F. Arrhythmias

Correct Answer: C, E, F

Rationale: Decongestants can exacerbate hypertension, glaucoma, and arrhythmias due to their vasoconstrictive effects. Asthma is also a concern as decongestants may worsen respiratory symptoms in some cases.

Question 5 of 5

The nurse in a long-term care facility is planning the care for a client with a percutaneous endoscopic gastrostomy (PEG) feeding tube used for bolus feedings. Which intervention should the nurse include in the plan of care?

A. Inspect the insertion line at the naris prior to instilling formula. B. Elevate the head of the bed (HOB) after feeding the client. C. Place the client in the Sims position following each feeding. D. Change the dressing on the feeding tube every three (3) days.

Correct Answer: B

Rationale: Elevating HOB post-feeding (
B) prevents aspiration in PEG clients. Naris inspection (
A) applies to NG tubes, Sims position (
C) is not standard, and dressings (
D) are changed PRN.

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