A nurse is assessing a client who has hypoxemic respiratory failure. Which of the following findings should the nurse expect?

Pulmonary edema

Opioid toxicity

Myasthenia gravis

Flail chest

Answer and Explanation

The Correct Answer is A

A. Pulmonary edema: Pulmonary edema occurs when fluid accumulates in the lungs, impairing gas exchange and leading to hypoxemia. This condition is a common cause of hypoxemic respiratory failure, and patients often present with symptoms such as dyspnea, crackles on auscultation, and hypoxemia. The nurse would expect this finding in a client experiencing hypoxemic respiratory failure.
B. Opioid toxicity: Opioid toxicity can cause respiratory depression, but it typically leads to hypoventilation, which results in hypercapnic respiratory failure (elevated carbon dioxide levels) rather than hypoxemic respiratory failure. Therefore, while opioid toxicity affects breathing, it is not directly associated with hypoxemic respiratory failure.
C. Myasthenia gravis: Myasthenia gravis is a neuromuscular disorder that leads to muscle weakness, including respiratory muscles. While it can cause respiratory failure in severe cases, it does not directly cause hypoxemic respiratory failure. Respiratory failure in myasthenia gravis is often due to insufficient ventilation rather than impaired oxygenation, so this is not the expected finding in hypoxemic respiratory failure.
D. Flail chest: Flail chest occurs due to multiple rib fractures that result in a segment of the chest wall moving paradoxically, impairing ventilation. While this condition can lead to respiratory failure, it typically causes hypercapnic rather than hypoxemic respiratory failure. Therefore, it is less likely to be the cause of hypoxemic respiratory failure in this scenario.

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Correct Answer is A

Explanation

A. Lower oxygen saturations of 93% to 94%: Older adults with pneumothorax may present with lower oxygen saturations as the collapsed lung leads to impaired gas exchange. Oxygen saturation levels of 93% to 94% may indicate mild hypoxemia in these clients.
B. Lower energy expenditure: Pneumothorax in older adults is more likely to result in respiratory symptoms like hypoxemia, rather than directly affecting energy expenditure.
C. Higher oxygen saturations of 98% to 99%: This is unlikely in the presence of pneumothorax, which typically causes hypoxemia due to impaired lung function. High oxygen saturation levels would not be expected.
D. Increased lung capacity: Pneumothorax causes lung collapse, which results in decreased lung capacity and is not associated with increased lung function.

A. Typical pneumonia B. Aspiration pneumonia C. Atypical pneumonia D. Chemical pneumonitis

Correct Answer is A

Explanation

A. Typical pneumonia: Streptococcus pneumoniae is the most common bacterial cause of typical pneumonia. It typically presents with sudden onset of fever, productive cough with purulent sputum, and pleuritic chest pain. Chest x-rays often show lobar consolidation, which is characteristic of this type.
B. Aspiration pneumonia: Aspiration pneumonia results from inhalation of oropharyngeal or gastric contents into the lower airways. It is commonly associated with altered consciousness, swallowing disorders, or vomiting, and is not primarily caused by Streptococcus pneumoniae.
C. Atypical pneumonia: Atypical pneumonia is usually caused by organisms like Mycoplasma pneumoniae, Chlamydophila pneumoniae, or Legionella species. It tends to have a gradual onset with dry cough, low-grade fever, and diffuse infiltrates on imaging, which is different from the presentation of Streptococcus pneumoniae infection.
D. Chemical pneumonitis: Chemical pneumonitis is an inflammatory response in the lungs due to inhalation of irritants such as gastric acid or toxic fumes. It is not caused by bacterial infection and therefore is unrelated to Streptococcus pneumoniae.

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A nurse is assessing a client who has hypoxemic respiratory failure. Which of the following findings should the nurse expect?

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