Which of the following increase the 2, 3 BPG levels?
              I. hypoxia
             II. anemia  
            III. blood stored for more than 1 week   
            IV. decreased pH

A. I and II only
B. I, II,  and III only
C. I, II, III, and IV
D. I, III, and IV only


Answer: A

Health Professions

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