When a Baby Is Born, What Change(s) Need to Occur

Multiple Choice

When a baby is born, what change(s) need to occur in fetal circulation for it to survive?

A) The oval opening (foramen ovale) must close.
B) The arterial duct must close.
C) The umbilical arteries and veins close.
D) Fetal blood must be shunted toward the lungs after tying off the umbilical cord.
E) All of the answer choices describe changes that need to occur in order for the baby to survive.