oxygen saturation in the fetal circulation - samideb12

[ArchivalUser]

Five measurments of blood oxygen satuaration taken in a fetus are 67,61,56,52 and 31%.The highest value is most likely recorded in which of the following vessels?
A.ductus arteriosus
B.superior vena cava
C.inferior vena cava
D.pulmonary trunk
E.descending aorta
F.umblical artery

[ArchivalUser]

inferior vena cava

[ArchivalUser]

IVC...
the highest OS is in the umbilical vein...100%
thanks

[ArchivalUser]

IVC

[ArchivalUser]

cc