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CH 30: ALTERATIONS OF HEMATOLOGIC FUNCTION IN CHILDREN QUESTIONS WITH 100% VERIFIED AND, Exams of Nursing

Dominican University of California Nursing

CH 30: ALTERATIONS OF HEMATOLOGIC FUNCTION IN CHILDREN QUESTIONS WITH 100% VERIFIED AND EXPLAINED ANSWERS 2025 GRADED A+ 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 undeveloped and unable to diffuse oxygen adequately to the pulmonary capillaries. - ANS: C The hypoxic intrauterine environment stimulates erythropoietin production in the fetus. This selection is the only option that accurately explains why the fetus develops polycythemia. Why does fetal hemoglobin have a greater affinity for oxygen than adult hemoglobin? a. The fetus does not have its own oxygen supply and must rely on oxygen from the maternal vascular system. b. The fetus has two -

Typology: Exams

2024/2025