All of the following events occur at or sholy after bih EXCEPT
Correct Answer: The ductus aeriosus closes, allowing blood to bypass the liver
Description: When the ductus venosus closes, the bypass of blood around the liver ends, and blood must pass through the liver. The adult remnant of the ductus venosus is the ligamentum venosum. The increased venous return from the lungs increases the blood pressure in the left atrium, and the reduced blood flow from the umbilical vein reduces blood pressure in the right atrium.
Category:
Anatomy
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