COPE Health Scholars Practice Test

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What is considered a normal oxygen saturation level?

90-93%
94-96%
97-99%
100%

The correct answer is: 97-99%

A normal oxygen saturation level is typically considered to be between 97% and 99%. This range reflects the percentage of hemoglobin saturated with oxygen in the blood and is critical for assessing respiratory function and ensuring that the body's tissues receive an adequate supply of oxygen. Saturation levels below 94% may indicate potential health issues such as hypoxemia, where there is a deficiency in the amount of oxygen reaching the tissues. Values within the 90-93% range can be concerning and may require medical evaluation or intervention. While a saturation level of 100% is possible, it is not common in all individuals and could indicate certain conditions like hyperoxia, which is excessive oxygen in the bloodstream. Thus, the range of 97-99% is recognized as optimal for healthy individuals, making it the correct answer.