The amount of oxygen unloaded from Hb at the tissue level increases when
A) $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ in the tissue increases
B)the concentration of DPG in the red blood cells increases
C)the concentration of CO? in the red blood cells decreases
D)a and b occur
E)a and c occur

Question

Quizplus · Accepted Answer

An increase in DPG (2,3-diphosphoglycerate) in red blood cells decreases hemoglobin's affinity for oxygen, facilitating oxygen release to tissues.

The Amount of Oxygen Unloaded from Hb at the Tissue PO2\mathrm { P } _ { \mathrm { O } _ { 2 } }PO2​​

The Amount of Oxygen Unloaded from Hb at the Tissue $\mathrm { P } _ { \mathrm { O } _ { 2 } }$