Multiple Choice
Polycythemia occurs in a fetus because:
A) fetal hemoglobin has a greater affinity for oxygen due to DPG.
B) the fetus has a different hemoglobin structure of two α- and two γ-chains rather than two α-and two β-chains.
C) there is increased erythropoiesis in response to the hypoxic intrauterine environment.
D) the lungs of the fetus are undeveloped and unable to adequately diffuse oxygen to the pulmonary capillaries.
Correct Answer:

Verified
Correct Answer:
Verified
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