What is the effect of an elevated intracellular 2,3-DPG concentration?
a. Decreases the availability of O2 to the tis-sues.
b. Increases the affinity of Hb for O2.
c. Increases the availability of O2 to the tis-sues.
d. Shifts the HbO2 dissociation curve to the left.
ANS: C
Increased 2,3-DPG concentrations shift the HbO2 curve to the right, promoting O2 unloading.
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Which of the following is NOT an advantage of the PHR?
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