QuestionSBA
QuestionChoice
This is the function of the umbilical arteries. After birth, the proximal umbilical arteries become the internal iliac and superior vesical arteries, while distal portions are obliterated and form the medial umbilical ligaments.
10006635
e
Carries deoxygenated blood from the foetus to the placenta
QuestionChoice
This is the function of the ductus arteriosus. It shunts oxygenated blood to bypass the non-functioning foetal lungs. Its' remnant forms the ligamentum arteriosum shortly after birth.
10006632
b
Shunts blood from the pulmonary trunk to the aorta
QuestionChoice
This is the function of the foramen ovale. It shunts oxygenated blood to bypass the non-functioning foetal lungs, which are fluid-filled. Normally, the foramen ovale completely closes a few months after birth.
10006631
a
Shunts blood from the right atrium to the left atrium
QuestionChoice
This is the function of the umbilical vein. After birth, the umbilical vein obliterates and its' remnant forms the ligamentum teres.
10006634
d
Carries oxygenated blood from the placenta to the foetus
QuestionChoice
This is the function of the ductus venosus. It shunts oxygenated blood to bypass the semi-functional foetal liver. Its' remnant forms the ligamentum venosum shortly after birth.
10006633
c
Shunts blood from the umbilical vein to the inferior vena cava
Concept
Chapter
2693
4526
Development of the fetal circulation
Topic
171
Embryology
13873
A two-year-old girl is found to have a heart murmur caused by a patent foramen ovale.

What is the function of the foramen ovale in utero?
a