Which adult oxygen saturation reading is generally expected when measured accurately on room air?
Correct answer: C. 95% to 100%
- A. 82% to 86%
- B. 88% to 92%
- C. 95% to 100%
- D. 101% to 105%
Explanation
For most healthy adults at sea level, oxygen saturation is generally about 95% to 100% on room air. A reading of 88% to 92% may be an individual target for selected patients with chronic lung disease, but it is not the usual healthy adult range.
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About Vital Signs and Monitoring
Vital signs include temperature, pulse, respiration, blood pressure, oxygen saturation and pain assessment. Coverage includes correct measurement sites and techniques, normal adult ranges, factors that alter readings, trends in patient observations, and the difference between an abnormal finding that needs reassessment and one requiring immediate reporting.
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