Relating to the fetal circulatory system,which special characteristics allow the fetus to obtain enough oxygen from the maternal blood? (Select all that apply. )
A) Fetal hemoglobin (Hb)carries 20% to 30% more oxygen than maternal Hb.
B) Fetal Hb carries 40% to 50% more oxygen than maternal Hb.
C) Hb concentration is 50% higher than that of the mother.
D) Fetal heart rate is 110 to 160 beats per minute.
E) Fetal heart rate is 160 to 200 beats per minute.

Question

Quizplus · Accepted Answer

Fetal hemoglobin has a higher affinity for oxygen, allowing it to carry more oxygen than maternal hemoglobin. The fetal hemoglobin concentration is higher, enhancing oxygen transport. The fetal heart rate is faster, which helps circulate blood more efficiently.

Relating to the Fetal Circulatory System,which Special Characteristics Allow the Fetus