Selina comes in for her first prenatal examination.This is her first child.She asks the nurse,"How does my baby get air inside my uterus?" What is the nurse's best response?
A) "The baby's lungs work in utero to exchange oxygen and carbon dioxide."
B) "The baby absorbs oxygen from your blood system."
C) "The placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream."
D) "The placenta delivers oxygen-rich blood through the umbilical artery to the baby's abdomen."

Question

Quizplus · Accepted Answer

The placenta functions by supplying oxygen and excreting carbon dioxide to the maternal bloodstream.The fetal lungs do not function for respiratory gas exchange in utero.The baby does not simply absorb oxygen from a woman's blood system.Blood and gas trAnswerport occur through the placenta.The placenta delivers oxygen-rich blood through the umbilical vein,not the artery.

Selina Comes in for Her First Prenatal Examination