NCLEX Practice Quiz: Blood Circulation in the Fetus and Newborn NCLEX Practice Quiz: Blood Circulation in the Fetus and Newborn Which of the following statements about fetal circulation is true?* A) The ductus venosus allows for most of the oxygenated blood from the placenta to bypass the liver. B) The umbilical vein carries oxygen-poor blood from the fetus to the placenta. C) The foramen ovale allows for blood to circulate from the right atrium to the left atrium. D) The umbilical arteries carry oxygen-rich blood from the placenta to the fetus. Δ