During an initial prenatal appointment,the woman asks the nurse how her baby gets air while in her uterus.The nurse's response is based on which information?
A) The baby's lungs work in utero to exchange oxygen and carbon dioxide.
B) The baby absorbs oxygen from the mother's blood system.
C) The placenta provides oxygen to the baby and excretes carbon dioxide into the mother's 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 transport occur through the placenta.The placenta delivers oxygen-rich blood through the umbilical vein,not the artery.

During an Initial Prenatal Appointment,the Woman Asks the Nurse How