Fetal Circulation

Question 1

Where does exchange of nutrients take place

Answer 1

At the placenta

Question 2

Placenta

Answer 2

Large disk of tissue attached to the uterus wall where the mom and baby’s blood vessels are right next to each other
Allows for nutrient, waste and gas exchange

Question 3

Umbilical cord consists of 3 blood vessels

Answer 3

2 umbilical arteries and 1 umbilical vein

Question 4

2 umbilical arteries bring?

Answer 4

Deoxygenated blood from baby to placenta

Question 5

Umbilical vein

Answer 5

Blood leaves placenta via umbilical vein
Carries nutrient rich and oxygenated blood to the fetus
Joins with venous duct which merges with the inferior vena cava to return blood to heart

Question 6

Oval opening

Answer 6

-opening between 2 atria
-blood pumps from right to left atria and bypasses pulmonary circuit

Question 7

Arterial duct

Answer 7

-blood vessel that connects pulmonary artery with the aorta
-allows blood to bypass pulmonary circuit

Question 8

Common cardiac defects

Answer 8

Oval opening fails to close:
-causes pulmonary congestion and failure of right ventricle
-a “blue” baby (lack of O2)