Fetal Circulation

Question 1

Umbilical arteries carry CO2 and waste from heart to?

Answer 1

Placenta

Question 2

Umbilical vein does what?

Answer 2

Carries oxygen and nutrients toward fetal heart
Picks up O2 and nutrients and enters IVC near liver

Question 3

What does ductus venuosus do?

Answer 3

Directs blood from umbilical vein superior to liver into IVC
Bypasses the liver

Question 4

What are the 2 ways the heart bypasses pulmonary circuit?

Answer 4

Foramen Ovale
Ductus arteriosis

Question 5

Foramen Ovale

Answer 5

Moves most of the oxygenated blood in IVC thru the right to left atrium

Question 6

Ductus arteriousus

Answer 6

Moves blood from pulmonary artery to aortic arch
Blood sent to head and neck has higher oxygen levels

Question 7

Deoxygenated blood moves how?

Answer 7

From upper body enters SVC then right atrium

Question 8

Partially oxygenated blood from IVC goes where?

Answer 8

Right atrium

Question 9

Umbilical arteries carry carbon dioxide and waste to where?

Answer 9

PLACENTA