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

Answer and Explanation

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.

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Correct Answer is D

Explanation

A. Loop the client's tubes carefully to prevent kinking: Tubes should not be unnecessarily looped, as this may cause obstruction or tension.
B. Clamp the tube when the client is ambulating: Clamping increases the risk of tension pneumothorax and should be avoided unless prescribed for specific procedures.
C. Place the client flat to avoid leaks in the tubing: This position may compromise lung expansion; semi-Fowler’s or Fowler’s position is preferred.
D. Keep the collection device below the client’s chest level: This position uses gravity to prevent backflow of fluid or air into the pleural space.

A. endotracheal tube B. partial rebreather oxygen mask C. tracheostomy D. pharyngeal airway

Correct Answer is D

Explanation

A) Endotracheal tube. An endotracheal tube is invasive and used for patients who require mechanical ventilation, not for simple airway maintenance.
B) Partial rebreather oxygen mask. A partial rebreather mask is used to deliver oxygen, not to maintain airway patency.
C) Tracheostomy. A tracheostomy is a surgical procedure for long-term airway management and is unnecessary in this scenario.
D) Pharyngeal airway. A pharyngeal airway helps maintain airway patency by preventing the tongue from obstructing the airway.

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A patient requires a precise concentration of 40% oxygen. Which of the following devices would best allow for this?

Nursing Test Bank

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