The nurse clarifies that the cough mechanism is stimulated when:

more than 250 mL of air moves in and out of the lungs with each breath

foreign substances are propelled by the cilia toward the respiratory tract

dehumidified air enters the upper airway passages

the blood transports carbon dioxide to the lungs

Answer and Explanation

The Correct Answer is B

A. More than 250 mL of air moves in and out of the lungs with each breath: This describes tidal volume but does not directly stimulate the cough mechanism.
B. Foreign substances are propelled by the cilia toward the respiratory tract: Irritation by foreign particles stimulates the cough reflex to clear the airways.
C. Dehumidified air enters the upper airway passages: Dry air can cause airway irritation but does not consistently trigger a cough reflex.
D. The blood transports carbon dioxide to the lungs: This describes gas exchange, which does not directly relate to triggering the cough mechanism.

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Correct Answer is C

Explanation

A) "Repeat your breathing exercise every 2 hrs." Repeating breathing exercises should be done a couple of times every hour to help prevent postoperative complications such as atelectasis and pneumonia.
B) "Inhale through your mouth." Clients should inhale through their nose to filter, warm, and humidify the air.
C) "Hold your breath for 5 seconds." Holding the breath for 5 seconds allows for better lung expansion and optimal oxygen exchange.
D) "Exhale through your nose." Clients are generally advised to exhale through pursed lips to create positive airway pressure and prevent airway collapse.

A. aspirated vomit B. pulmonary fibrosis C. hiccoughs D. high altitude

Correct Answer is ["A","B","D"]

Explanation

A. Aspirated vomit: Can obstruct the airway or cause aspiration pneumonia, reducing oxygenation.
B. Pulmonary fibrosis: Scarring of lung tissue impairs gas exchange, leading to hypoxia.
C. Hiccoughs: Not associated with hypoxia; they are an involuntary diaphragmatic spasm.
D. High altitude: Decreased atmospheric oxygen levels can result in hypoxia.

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The nurse clarifies that the cough mechanism is stimulated when:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reinforcing preoperative teaching for a client about coughing and deep breathing. Which of the following statements should the nurse make?

Correct Answer is C

Explanation

The multiple causes for hypoxia include: (Select all that apply.)

Correct Answer is ["A","B","D"]

Explanation

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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?

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