What is the Pao2 level for a 100% Spo2?

A saturation of 100% SpO2 indicates that hemoglobin is fully saturated with oxygen. In a healthy individual at sea level, this typically corresponds to a PaO2 level of about 80 mmHg or higher. While there can be variation depending on the individual and their specific physiological conditions, the general consensus in clinical practice is that a PaO2 of approximately 80 mmHg aligns well with the achievement of full saturation. This correlation provides vital information in assessing the effectiveness of oxygenation in patients, especially those with respiratory concerns.

The other options do not accurately represent the typical PaO2 values associated with a SpO2 of 100%. Lower PaO2 values would suggest that hemoglobin is not fully saturated, which contradicts the premise of having a 100% SpO2 reading.