A 10-year-old child with pneumonia is receiving oxygen at 5 L/minute via a nasal cannula.
When planning care for this child, what principle of oxygen administration should the nurse keep in mind?
Avoid administering oxygen at high levels for extended periods.
Increase the oxygen rate during sleep to compensate for a slower respiratory rate.
Taking a sedative at bedtime slows the respiratory rate, which decreases oxygen needs.
Oxygen is less toxic when it is humidified with a hydration source.
The Correct Answer is A
Choice A rationale
Oxygen therapy is a crucial part of the management for patients with severe pneumonia. However, prolonged administration of high concentrations of oxygen can potentially lead to oxygen toxicity, resulting in damage to the cells of the lungs. This is due to the production of
reactive oxygen species which can damage cell structures. Therefore, it is important to avoid administering oxygen at high levels for extended periods.
Choice B rationale
While it might seem logical to increase the oxygen rate during sleep due to a slower respiratory rate, this is not typically recommended. The body’s oxygen requirements do not significantly change during sleep and increasing the oxygen rate could potentially lead to hyperoxia.
Choice C rationale
Sedatives can indeed slow the respiratory rate, but this does not decrease oxygen needs. In fact, it could potentially lead to respiratory depression and hypoxia, especially in a patient with a respiratory illness like pneumonia.
Choice D rationale
Humidification of oxygen can improve patient comfort, especially with high flow rates, by preventing dryness in the nasal passages. However, it does not make oxygen less toxic.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
While avoiding exposure to large crowds can help prevent infections, especially for patients with compromised immune systems, it is not the most crucial information for a patient with liver damage due to an overdose of acetaminophen.
Choice B rationale
While emotional support is important for patients dealing with health issues, calling a crisis hotline if feeling lonely is not the most crucial information for a patient with liver damage due to an overdose of acetaminophen.
Choice C rationale
This is the most crucial information for the patient. Acetaminophen is found in many over-the- counter medications, and further intake could exacerbate liver damage.
Choice D rationale
While a balanced diet is important for overall health, following a high carbohydrate, low fat, low protein diet is not the most crucial information for a patient with liver damage due to an overdose of acetaminophen.
Correct Answer is ["A","B","D"]
Explanation
Choice A rationale
Weighing the client daily, in the morning, is an important intervention for a client with heart failure (HF) being treated with diuretics for fluid volume excess. Daily weights can help monitor the client’s fluid status and the effectiveness of the diuretic therapy.
Choice B rationale
Teaching the client how to restrict dietary sodium is an important intervention for a client with HF being treated with diuretics for fluid volume excess. A low-sodium diet can help prevent fluid retention and exacerbation of HF3.
Choice C rationale
Monitoring coagulation laboratory values is not typically necessary for a client with HF being treated with diuretics for fluid volume excess, unless the client is also receiving anticoagulant therapy.
Choice D rationale
Observing for evidence of hypokalemia is an important intervention for a client with HF being treated with diuretics for fluid volume excess. Diuretics can cause loss of potassium, which can lead to hypokalemia.
Choice E rationale
Encouraging an oral fluid intake of 3,000 mL/day is not typically recommended for a client with HF being treated with diuretics for fluid volume excess. Excessive fluid intake can exacerbate HF3.
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