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 B

Explanation

A) In the morning immediately after breakfast. Performing postural drainage after eating may induce nausea and vomiting.
B) Shortly after the patient arises in the morning, before breakfast. This timing allows mucus to drain more effectively since the patient has been lying down overnight, and an empty stomach minimizes the risk of vomiting.
C) 30 minutes after lunch. Postural drainage should be performed at least 1 to 2 hours after meals to prevent gastrointestinal discomfort.
D) 1 hour after supper. While this timing is better than immediately after eating, morning sessions are generally more effective.

A. raise the head of the bed to high Fowler's position B. remove the inner cannula with the ungloved hand C. suction tracheostomy before beginning care D. clean cannula with gauze and replace and lock

Correct Answer is ["A","C"]

Explanation

A. Raise the head of the bed to high Fowler's position: This promotes optimal lung expansion and drainage, reduces aspiration risk, and facilitates easier tracheostomy care.
B. Remove the inner cannula with the ungloved hand: Sterile technique is required when handling the inner cannula to prevent infection.
C. Suction tracheostomy before beginning care: Suctioning clears secretions and ensures better visibility for care, reducing the risk of aspiration during the procedure.
D. Clean cannula with gauze and replace and lock: The inner cannula should be cleaned per protocol using sterile saline and replaced securely.

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

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Naxlex Comprehensive Predictor Exams

The nurse is aware that the best time to schedule a postural drainage treatment is

Correct Answer is B

Explanation

The nurse performing tracheostomy care will:

Correct Answer is ["A","C"]

Explanation

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