CLINICAL PROCEDURES FOR SAFER PATIENT CARE BY GLYNDA
DOYLE AND JODIE MCCUTCHEON (BCCAMPUS) 10th EDITION 2025
TEST BANK
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, CHAPTER 5 – OXYGEN THERAPY & RESPIRATORY INTERVENTIONS (25 NCLEX QS
+ RATIONALES)
1. What is the purpose of humidifying oxygen delivered via nasal cannula?
A. To increase oxygen concentration
B. To prevent mucosal dryness and irritation
C. To reduce oxygen toxicity
D. To make breathing easier
Answer: B
Rationale: Humidification reduces dryness of nasal passages.
2. Which oxygen delivery system delivers the highest concentration of oxygen?
A. Nasal cannula
B. Simple face mask
C. Non-rebreather mask
D. Venturi mask
Answer: C
Rationale: Non-rebreathers can deliver up to 95–100% oxygen.
3. What is a critical safety measure when administering oxygen?
A. Store cylinders near heat
B. Use petroleum-based moisturizers
C. Place “No Smoking” signs
D. Turn on the oxygen before placing mask
Answer: C
Rationale: Fire hazard precautions must be taken seriously.
4. Which condition is most likely to require low-flow oxygen to prevent hypoventilation?
A. Pneumonia
B. Asthma
C. COPD
D. CHF
Answer: C
Rationale: COPD patients rely on hypoxic drive—high O₂ can suppress breathing.
Found this useful? Please leave a review on Stuvia, your review is my motivation. Success in your exam!!
DOYLE AND JODIE MCCUTCHEON (BCCAMPUS) 10th EDITION 2025
TEST BANK
Found this useful? Please leave a review on Stuvia, your review is my motivation. Success in your exam!!
, CHAPTER 5 – OXYGEN THERAPY & RESPIRATORY INTERVENTIONS (25 NCLEX QS
+ RATIONALES)
1. What is the purpose of humidifying oxygen delivered via nasal cannula?
A. To increase oxygen concentration
B. To prevent mucosal dryness and irritation
C. To reduce oxygen toxicity
D. To make breathing easier
Answer: B
Rationale: Humidification reduces dryness of nasal passages.
2. Which oxygen delivery system delivers the highest concentration of oxygen?
A. Nasal cannula
B. Simple face mask
C. Non-rebreather mask
D. Venturi mask
Answer: C
Rationale: Non-rebreathers can deliver up to 95–100% oxygen.
3. What is a critical safety measure when administering oxygen?
A. Store cylinders near heat
B. Use petroleum-based moisturizers
C. Place “No Smoking” signs
D. Turn on the oxygen before placing mask
Answer: C
Rationale: Fire hazard precautions must be taken seriously.
4. Which condition is most likely to require low-flow oxygen to prevent hypoventilation?
A. Pneumonia
B. Asthma
C. COPD
D. CHF
Answer: C
Rationale: COPD patients rely on hypoxic drive—high O₂ can suppress breathing.
Found this useful? Please leave a review on Stuvia, your review is my motivation. Success in your exam!!
