The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

hypercapnia

hypoxemia

dyspnea

Hypoxia

Answer and Explanation

The Correct Answer is B

A) Hypercapnia. Hypercapnia refers to an excessive amount of carbon dioxide in the bloodstream, typically due to hypoventilation.
B) Hypoxemia. Hypoxemia is a condition characterized by low oxygen levels in the blood, specifically the arterial blood.
C) Dyspnea. Dyspnea refers to a subjective sensation of difficulty or uncomfortable breathing.
D) Hypoxia. Hypoxia refers to a deficiency of oxygen in the tissues, not specifically in the blood.

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Correct Answer is A

Explanation

A. Oxygen diffuses across the alveolar membrane into the blood: This is the primary function of the respiratory system, ensuring oxygenation of blood.
B. The alveoli have cilia that help remove foreign particles: Cilia are present in the respiratory tract, but not in the alveoli.
C. The diaphragm controls respiration: The diaphragm assists with breathing but does not "control" respiration, which is regulated by the brainstem.
D. The bronchioles contain macrophages that phagocytize inhaled bacteria: Macrophages are found in alveoli, not the bronchioles.

A. Check for secretion clearance. B. Check the function of the suction catheter. C. Don sterile gloves. D. Adjust the suction to 120 to 150 mm Hg. E. Insert the catheter without suction. F. Apply intermittent suction while rotating the catheter G. Hyperoxygenate the client.

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.

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The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

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Naxlex Comprehensive Predictor Exams

Which is a function of the respiratory system?

Correct Answer is A

Explanation

A nurse is preparing to suction the airway of a client who has a tracheostomy. Identify the sequence of actions the nurse should take after performing hand hygiene. (Move the steps into the box on the right, placing them in the selected order of performance. Use all the steps.)

Correct Answer is B,C,D,G,E,F,A

Explanation

A nurse performing oral suctioning on an adult patient should set the wall suction machine so that the suction pressure is between:

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

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The nurse clarifies that the condition in which there is a decreased amount of oxygen in the blood is:

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