Which is a function of the respiratory system?

Oxygen diffuses across the alveolar membrane into the blood.

The alveoli have cilia that help remove foreign particles.

The diaphragm controls respiration.

The bronchioles contain macrophages that phagocytize inhaled bacteria.

Answer and Explanation

The Correct Answer is A

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.

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Free Nursing Study Resources

Correct Answer is A

Explanation

A) Taping all connections within the system. Taping all connections helps prevent air leaks, which can compromise the function of the chest drainage system.
B) Turning on suction to 35 cm. Suction levels are typically set between 10 to 20 cm of water pressure. 35 cm is excessive and may cause lung tissue damage.
C) Keeping the system at the level of the patient's chest. The drainage system should always be kept below the level of the chest to promote gravity drainage and prevent backflow.
D) Looping the tubing between the mattress and the bed rail to minimize length. Tubing should not be looped or kinked, as this can obstruct drainage and compromise system function.

A. sternum B. thorax C. midaxillary line on the rib cage D. spine between the scapulae

Correct Answer is B

Explanation

A) Sternum. Percussion over the sternum is ineffective and may cause discomfort.
B) Thorax. Percussion on the thorax helps loosen mucus in the underlying lung fields.
C) Midaxillary line on the rib cage. This area is not typically targeted for percussion.
D) Spine between the scapulae. Percussion on the spine is not advisable due to the potential for discomfort and ineffectiveness. The area between the scapulae is also less effective for loosening mucus compared to the thorax.

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Which is a function of the respiratory system?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse caring for a patient with a disposable chest drainage system can promote effective tube function and patient safety by:

Correct Answer is A

Explanation

The nurse loosens mucus plugs by using percussion on a patient over the area of the:

Correct Answer is B

Explanation

What is the most common cause of airway obstruction in the unconscious person?

A nurse is preparing to measure a client's oxygen saturation and notes edema of the client's hands and thickened toenails. The nurse should apply the pulse oximeter probe to which of the following locations?

A nurse is reinforcing teaching with a newly licensed nurse about the manifestations of hypoxia. Which of the following findings should the nurse include in the teaching?

A nurse is caring for a client who has a three-chamber closed chest tube system. Which of the following should the nurse do after noticing a rise in the water seal with client inspiration?

A patient who will begin oxygen therapy has a history of sinus disorders. This patient would benefit most from which oxygen setup?

The nurse assists the patient with emphysema into the most beneficial position to facilitate respiration, which is:

The nurse takes into consideration that while caring for a patient on oxygen therapy, safety precautions should be observed, which include:

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