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 A
Explanation
A. The hypoglossal nerve is tested by checking for tongue deviation.
B. This action tests the facial nerve
C. This action tests the trigeminal nerve
D. This action tests the spinal accessory nerve
Correct Answer is A
Explanation
A. BMI of 29 falls within the overweight range, which is typically defined as a BMI between 25 and 29.9.
B. A BMI of 29 does not fall within the ideal body weight range, which is typically considered to be between 18.5 and 24.9.
C. Obesity is typically classified as a BMI of 30 or higher. While a BMI of 29 is close to the obese range, it falls within the overweight category.
D. A BMI of 29 does not fall within the underweight range, which is typically considered to be a BMI below 18.5.
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