A student reviewing the anatomy and physiology of the fetal circulatory system learns that the highest concentration of oxygen in fetal blood is measured at what level?
A) 10-20 mm Hg
B) 20-25 mm Hg
C) 30-35 mm Hg
D) 40-50 mm Hg

Question

Quizplus · Accepted Answer

The highest concentration of oxygen (PO₂)in fetal circulation is found in the blood returning from the placenta via the umbilical vein and is measured at 30-35 mm Hg.

A Student Reviewing the Anatomy and Physiology of the Fetal