Which Structure in the Fetus Connects the Aorta and the Pulmonary

Question

Which structure in the fetus connects the aorta and the pulmonary artery?
A) umbilical vein
B) umbilical artery
C) ductus arteriosus
D) ductus venosus

Accepted Answer

The ductus arteriosus is a blood vessel in the fetus that connects the pulmonary artery to the aorta. This structure allows blood to bypass the lungs, which are not yet functional in the developing fetus. After birth, the ductus arteriosus typically closes and becomes the ligamentum arteriosum.