The student nurse has measured the client's oxygen saturation level by using a pulse oximeter. The student nurse confers with the experienced nurse. Which of the following statements indicate the student nurse requires further education?
1. "A normal finding is that the client's oxygen saturation level is above 70%.".
2. "The pulse oximeter can measure the oxygen saturation of the hemoglobin.".
3. "I placed the sensor on the client's finger.".
4. "This test is noninvasive and painless.".
1
Rationale 1: A normal finding is that the client's oxygen saturation is above 95%, not above 70%. A client with an oxygen saturation of only 70% has an increased risk of dying due to complications of poor oxygenation.
Rationale 2: The pulse oximeter measures the oxygen saturation of the client's hemoglobin. The reported percentage represents the light absorbed by oxygenated and deoxygenated hemoglobin.
Rationale 3: The sensor may be placed on the client's finger or earlobe.
Rationale 4: The test is noninvasive and will not cause the client to feel pain.
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