A patient requires a precise concentration of 40% oxygen. Which of the following devices would best allow for this?
A nonrebreather mask
A simple face mask
A Venturi mask
A partial rebreathing mask
The Correct Answer is C
A. A nonrebreather mask: This provides high concentrations of oxygen (60% to 100%) and lacks precise control over oxygen delivery.
B. A simple face mask: Delivers oxygen concentrations between 40% and 60%, but the oxygen concentration varies depending on the client's breathing pattern.
C. A Venturi mask: Provides precise and consistent oxygen delivery, making it the best choice for clients needing an exact concentration of 40% oxygen.
D. A partial rebreathing mask: Delivers concentrations between 50% and 75% without precise control.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B,C,D,G,E,F,A
Explanation
Check the function of the suction catheter: Ensures the catheter is functioning properly before starting the procedure.
Don sterile gloves: Maintains asepsis during the suctioning procedure.
Adjust the suction to 120 to 150 mm Hg: Proper suction pressure prevents mucosal trauma.
Hyperoxygenate the client: Prevents hypoxia during the suctioning process.
Insert the catheter without suction: Prevents trauma to mucosa by reducing suction on insertion.
Apply intermittent suction while rotating the catheter: Effectively clears secretions while minimizing tissue damage.
Check for secretion clearance: Ensures the airway is clear and the procedure was effective.
Correct Answer is C
Explanation
A. Be monitored for respiratory rate: Important for ongoing assessment but not directly related to the deflation process.
B. Have the cuff pressure checked: Necessary during care but not immediately before deflation.
C. Have the pharynx suctioned: Suctioning clears secretions that could be aspirated when the cuff is deflated.
D. Be administered extra oxygen: Beneficial but not a direct prerequisite for cuff deflation.
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