A patient with respiratory failure has a respiratory rate of 6 breaths/min and an oxygen saturation (SpO2) of 78%. The patient is increasingly lethargic. Which intervention will the nurse anticipate?

Initiation of continuous positive pressure ventilation (CPAP)

Endotracheal intubation and positive pressure ventilation

Insertion of a mini-tracheostomy with frequent suctioning

Administration of 100% 02 by non-rebreather mask

Answer and Explanation

The Correct Answer is B

B. Endotracheal intubation and positive pressure ventilation are indicated in patients with severe respiratory failure who are unable to maintain adequate oxygenation and ventilation on their own. This intervention provides mechanical support to the patient's breathing by delivering positive pressure to the lungs via an endotracheal tube. Given the patient's respiratory rate of 6 breaths/min, low oxygen saturation (SpO2 of 78%), and increasing lethargy, endotracheal intubation and positive pressure ventilation are the most appropriate interventions to ensure adequate oxygenation and ventilation.

A. CPAP is a form of non-invasive positive pressure ventilation that helps keep the airways open and improves oxygenation. However, in a patient with severe respiratory failure and impending respiratory arrest, CPAP alone may not be sufficient to adequately support ventilation and oxygenation. CPAP is typically used in patients with milder forms of respiratory failure or as a step-down therapy from invasive mechanical ventilation.

C. Insertion of a mini-tracheostomy is not typically indicated in a patient with severe respiratory failure and impending respiratory arrest. While tracheostomy may be considered in certain cases for long-term ventilation or airway management, it is not the first-line intervention in an acute situation like this.

Additionally, frequent suctioning may not address the underlying cause of respiratory failure or improve oxygenation.

D. Administering 100% oxygen via a non-rebreather mask can help improve oxygenation temporarily. However, in a patient with severe respiratory failure and impending respiratory arrest, non-invasive oxygen therapy alone may not be sufficient to maintain adequate oxygenation and ventilation.

Endotracheal intubation and positive pressure ventilation are more definitive interventions to ensure adequate support for the patient's breathing.

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Correct Answer is B

Explanation

B. A client who is postoperative with shallow respirations at a rate of 9/min is likely not adequately eliminating carbon dioxide from their body due to hypoventilation. This retention of carbon dioxide can lead to an increase in the partial pressure of CO2 in the blood, causing an acidotic state.

A. Metabolic acidosis results from an accumulation of acids in the body or a loss of bicarbonate. Hypoventilation leading to respiratory acidosis does not directly cause metabolic acidosis.

C. Respiratory alkalosis occurs when there is excessive elimination of CO2 from the body, leading to decreased arterial carbon dioxide levels (hypocapnia) and an increase in pH. Shallow respirations and decreased respiratory rate are more consistent with hypoventilation and respiratory acidosis rather than hyperventilation and respiratory alkalosis.

D. Metabolic alkalosis results from excessive loss of acids or increased bicarbonate levels in the body. Hypoventilation leading to respiratory acidosis does not directly cause metabolic alkalosis.

A. Prepare to insert a central line. B. Administer oxygen via nasal cannula. C. Raise the foot of the bed to a 90° angle. D. Remove the dressing to inspect the wound.

Correct Answer is B

Explanation

B. This is a reasonable action given the client's respiratory rate and potential hypoxemia resulting from the sucking chest wound. Providing supplemental oxygen can help improve oxygenation and support the client's respiratory effort. However, it doesn't directly address the underlying cause of the shock.

A. In this scenario, the client's vital signs indicate signs of shock, which could be due to significant blood loss from the sucking chest wound. While inserting a central line may be necessary for administering fluids and medications rapidly, it's not the immediate priority in this situation. Stabilizing the client's condition takes precedence.

C. Elevating the foot of the bed to a 90° angle is not appropriate in this situation. This position can further decrease venous return to the heart, potentially exacerbating the client's hypotension and shock. It's crucial to maintain a neutral or slightly elevated position to optimize venous return.

D. While it's important to assess the wound and monitor for any changes, removing the dressing on a sucking chest wound without appropriate precautions can worsen the client's condition. The dressing helps to maintain a seal over the wound, preventing further air from entering the pleural space and worsening the tension pneumothorax. Removing the dressing should be done cautiously and preferably by a healthcare provider trained in managing chest trauma.

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A patient with respiratory failure has a respiratory rate of 6 breaths/min and an oxygen saturation (SpO2) of 78%. The patient is increasingly lethargic. Which intervention will the nurse anticipate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is postoperative and whose respirations are shallow and 9/min. Which of the following acid-based imbalances should the nurse identify the client as being at risk for developing initially?

Correct Answer is B

Explanation

A nurse in an emergency department is caring for a client who has a sucking chest wound resulting from a gunshot. The client has a blood pressure of 100/60 mm Hg, a weak pulse rate of 118/min, and a respiratory rate of 40/min. Which of the following actions should the nurse take?

Correct Answer is B

Explanation

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