A pregnant woman undergoing amniocentesis asks her nurse why the baby needs this fluid. What would be an accurate response from the nurse?
A) "Amniotic fluid cushions your baby to prevent injury."
B) "Amniotic fluid provides fetal blood circulation."
C) "Amniotic fluid supplies the food your baby needs to grow."
D) "Amniotic fluid keeps the fetus from moving freely inside it to prevent injury."
A
Feedback:
The amniotic fluid, kept inside the amnion, cushions the fetus against injury, regulates temperature, and allows the fetus to move freely inside it, which allows normal musculoskeletal development of the fetus. The woman's blood supplies food to—and carries wastes away from—the fetus. The placenta supplies the developing organism with food and oxygen; then the umbilical cord connects the fetal blood vessels contained in the villi of the placenta with those found within the fetal body.
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