A nurse is planning to obtain a client's oxygen saturation. Which of the following might influence the result of this test?
The client is wearing nail polish.
The client has an elevated hemoglobin level.
The client has a fever.
The client is wearing a ring.
The Correct Answer is A
A. Nail polish can interfere with the accuracy of pulse oximetry readings by absorbing or
reflecting light, leading to falsely low oxygen saturation readings. It's essential to remove nail polish or acrylic nails from the finger used for pulse oximetry to obtain accurate results.
B. While an elevated hemoglobin level may affect the oxygen-carrying capacity of the blood, it does not directly influence the accuracy of pulse oximetry readings.
C. Fever may affect oxygen saturation levels indirectly by increasing metabolic demand or
respiratory rate, but it does not directly interfere with the accuracy of pulse oximetry readings.
D. Wearing a ring does not typically interfere with pulse oximetry readings unless the ring is very tight and impairs blood flow to the finger. However, nail polish is a more significant
concern for accurate readings.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. While eventually informing the provider may be necessary, it's important for the nurse to first address the client's concerns directly.
B. Documenting the refusal is important but should occur after addressing the client's concerns.
C. This action allows the nurse to educate the client about the potential risks of not taking the medication, facilitating informed decision-making.
D. Returning the medication is premature until the client's concerns have been addressed and a decision has been made regarding the medication.
Correct Answer is B
Explanation
A. Bowling: While bowling involves some physical activity, it may not provide sufficient weight-bearing exercise needed to strengthen bones.
B. Walking: Walking is a weight-bearing exercise that helps improve bone density, making it an ideal recommendation for someone at risk for osteoporosis.
C. Passive range-of-motion exercise: While beneficial for maintaining joint flexibility,
passive range-of-motion exercise does not provide the same bone-strengthening benefits as weight-bearing exercises like walking.
D. Jogging: Jogging is higher-impact and may not be suitable for all older adults, especially those at risk for osteoporosis, due to the risk of injury.
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