Fetal Circulation

Question 1

Connects the umbilical vein to the inferior vena cava, allows blood to bypass the liver

Answer 1

Ductus Venosus

Question 2

Allows blood entering the right atrium of the heart to go directly through the left atrium, left ventricle and out the ascending aorta to immediately supply the brain, heart and upper extremities

Answer 2

Foramen Ovale

Question 3

Shunts blood from the pulmonary artery to the descending aorta, by passing the lungs to perfuse the lower body and return to the placenta for oxygenation

Answer 3

Ductus arteriosus

Question 4

What are the Three Fetal Shunts

Answer 4

1. Ductus venosus
2. Foramen ovale
3. Ductus arteriosus

Question 5

As early as the third week of intrauterine life, fetal blood begins to exchange nutrients with the maternal circulation across the?

Answer 5

CHORIONIC VILLI