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. Apply suction while advancing the catheter into the airway: This increases the risk of tissue trauma and should be avoided. Suction should only be applied during withdrawal.
B. Insert the non-lubricated catheter into the nasal passage: Lubrication is necessary to prevent nasal tissue trauma and facilitate smoother insertion.
C. Suction the nasotracheal passage after suctioning the mouth: Suctioning the mouth first introduces contamination into the sterile airway, increasing the risk of infection.
D. Hold the catheter with the dominant hand after donning sterile gloves: This technique maintains sterility and prevents contamination of the catheter during the procedure.

A. The client is grasping his abdomen. B. The client is coughing. C. The client cannot speak. D. The client is hyperventilating.

Correct Answer is C

Explanation

A. The client is grasping his abdomen: Grasping the abdomen may indicate pain or cramping, not necessarily airway obstruction.
B. The client is coughing: Effective coughing suggests that the airway is partially open and the client is moving air, meaning abdominal thrusts are not required.
C. The client cannot speak: Inability to speak or cough is a sign of complete airway obstruction, indicating the need for abdominal thrusts.
D. The client is hyperventilating: Rapid breathing is not a typical sign of choking and does not warrant abdominal thrusts.

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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

A patient requires suctioning via the nasotracheal route. In order to perform this procedure safely, the nurse should:

Correct Answer is D

Explanation

A nurse in a long-term care facility sees a client who is choking. Which of the following data should the nurse identify as requiring an abdominal thrust?

Correct Answer is C

Explanation

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