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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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1b 1b
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6 years ago
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
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#1
6 years ago
ANS: C
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.
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