The patient complaints of dyspnea and the nurse is concerned the patient may need oxygen. What assessment will the nurse perform to determine if the patient needs supplemental oxygen?
Auscultate breath sounds.
Observe chest expansion
Measure capillary refill
Measure oxygen saturation
The Correct Answer is D
A. Auscultating breath sounds can provide valuable information about the presence of wheezing, crackles, or diminished breath sounds, which may indicate respiratory issues. However, while this assessment is important for understanding the underlying cause of dyspnea, it does not directly measure the patient's oxygenation status.
B. Observing chest expansion can help the nurse assess the mechanics of breathing and whether there are any restrictions in lung expansion. While this assessment is useful, it does not provide a clear indication of the patient's oxygen saturation levels or immediate need for supplemental oxygen.
C. Measuring capillary refill can give insights into peripheral perfusion and circulation, which can be affected by oxygenation. However, it is not the most direct or specific assessment for determining the need for supplemental oxygen in a patient with dyspnea.
D. Measuring oxygen saturation (using a pulse oximeter) provides a direct and objective assessment of the patient's oxygenation status. Normal oxygen saturation levels typically range from 95% to 100%. If the oxygen saturation is below the acceptable range (usually less than 92% in many clinical settings), this would indicate the need for supplemental oxygen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A fracture involving the epiphyseal plate (growth plate) can lead to differential growth in the affected limb. If a fracture occurs before the growth plate has closed, it can potentially result in the shorter leg as the growth in that limb may be inhibited compared to the unaffected leg.
B. While scoliosis can lead to asymmetrical body positioning and potentially cause a perception of leg length discrepancy, it does not typically cause a true difference in bone length. Instead, scoliosis affects the spine's curvature and may alter posture, but it’s not a direct cause of one leg being shorter than the
other.
C. A comminuted clavicle fracture primarily affects the shoulder and does not impact leg length. It involves the upper limb and does not contribute to any differences in the lengths of the legs, making this option irrelevant to the observed leg length discrepancy.
D. JIA can lead to joint inflammation and may affect limb growth if it causes significant damage to the joints. However, while it can potentially cause some discrepancies in limb length due to joint issues, it is less directly associated with one leg being shorter than the other compared to an epiphyseal plate fracture.
Correct Answer is D
Explanation
A. While daycare workers can be at risk for various infections, they are not typically considered at high risk for TB unless they are in close contact with TB-positive individuals. Therefore, this option does not present the highest likelihood of TB.
B. This individual is at a moderate risk for TB, especially if they are caring for patients with known TB or are in an environment where TB may be more prevalent. However, nursing homes are more often associated with other infections rather than being primary sources for TB outbreaks.
C. High school students are generally not at high risk for TB unless they have specific exposure or travel history. Without additional risk factors, this group does not exhibit a high likelihood of TB.
D. This option represents the highest likelihood of TB. Homeless individuals are at increased risk for TB due to factors such as crowded living conditions, poor nutrition, and lack of access to healthcare.
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