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Multiple Choice
Which of the following vessels carries oxygenated blood to the liver from the placenta during fetal development?
A
Portal vein
B
Umbilical vein
C
Hepatic artery
D
Umbilical artery
Verified step by step guidance
1
Understand the role of the umbilical vein in fetal circulation: During fetal development, the umbilical vein is responsible for carrying oxygenated blood from the placenta to the fetus.
Identify the pathway of oxygenated blood: The umbilical vein carries oxygen-rich blood from the placenta directly to the fetus, bypassing the liver initially through the ductus venosus.
Differentiate between the vessels: The portal vein and hepatic artery are involved in adult circulation, not fetal circulation. The umbilical artery carries deoxygenated blood from the fetus back to the placenta.
Recognize the unique fetal circulation: Fetal circulation is distinct from adult circulation, with the umbilical vein being the primary vessel for delivering oxygenated blood from the placenta.
Conclude the correct vessel: Based on the understanding of fetal circulation, the umbilical vein is the vessel that carries oxygenated blood to the liver from the placenta during fetal development.