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ALTERATIONS OF HEMATOLOGIC FUNCTION IN CHILDREN CH 30: QUESTIONS WITH 100% CORRECT ANSWERS + RATIONALES 2025-2026 (A+ GRADED)
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---15September 20252025/2026A+
- ALTERATIONS OF HEMATOLOGIC FUNCTION IN CHILDREN CH 30: QUESTIONS WITH 100% CORRECT ANSWERS + RATIONALES (A+ GRADED) 
 
What is the cause of polycythemia in the fetus? 
a. Fetal hemoglobin has a greater affinity for oxygen as a result of diphosphoglycerate (DPG). 
b. The fetus has a different hemoglobin structure of two x- and two y-chains rather than two x-and two b-chains. 
c. Increased erythropoiesis occurs in response to the hypoxic intrauterine environment. 
d. The lungs of the fetus are un...
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