A patient is prescribed oxygen through a Venturi mask. Which nursing action is correct?
Correct answer: A. Keep the air-entrainment ports uncovered
- A. Keep the air-entrainment ports uncovered
- B. Cover the side ports with sterile gauze
- C. Attach a reservoir bag to the mask
- D. Change the prescribed adapter to increase flow
Explanation
The Venturi mask entrains room air through its side ports to deliver the selected oxygen concentration. Covering the ports or changing the adapter can alter the intended oxygen concentration.
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About Oxygen Therapy and Airway Care
Airway care includes positioning, suctioning, coughing and deep-breathing exercises, incentive spirometry, oxygen delivery devices and humidification. Questions address indications, flow rates, safety precautions and monitoring for hypoxia or oxygen toxicity, while distinguishing nasal cannula, simple mask, non-rebreather mask and Venturi mask use.
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50 free Oxygen Therapy and Airway Care MCQs from Fundamentals of Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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