Which of the following statements is true?
A. Fetal hemoglobin binds more BPG which increases its affinity for oxygen
B. People who live at high altitudes has less BPG than people at low altitudes which increases external ventilation
C. Alkalosis increases hemoglobin’s affinity for oxygen
D. Hypercalcemia decreases internal respiration by blocking CO2 from leaving the cell
Ans: C. Alkalosis increases hemoglobin’s affinity for oxygen
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