If PO2 Increases

Question

If PO2 increases
A) saturation goes down and hemoglobin gives away oxygen.
B) hemoglobin stores oxygen.
C) hemoglobin gives away oxygen.
D) saturation goes up.
E) saturation goes up and hemoglobin stores oxygen.

Accepted Answer

As PO2 (partial pressure of oxygen) increases, hemoglobin's affinity for oxygen increases, leading to higher saturation and more oxygen being stored by hemoglobin.