QuestionSBA
QuestionChoice
This is the normal physiological movement of blood in an adult so does not require a duct in foetal life.
10024532
c
Move blood right atrium to right ventricle
QuestionChoice
This describes the role of the foramen ovale.
10024531
b
Move blood from the right to left atrium
QuestionChoice
This is the role of the ductus arteriosus. It should close functionally in the first 12-24 hours of life, and anatomically by the first two to three weeks of life.
10024530
a
Moves blood from the pulmonary artery to the aorta
QuestionChoice
This should not occur and, if seen, it is usually due to a ventricular-septal defect.
10024534
e
Move blood from right ventricle to left ventricle
QuestionChoice
This describes the role of the ductus venosus.
10024533
d
Allows blood in the umbilical vein to bypass the liver
Concept
Chapter
2693
4579
Patent Ductus arteriosus
Topic
153
Paediatrics
17304
During the six to eight week newborn check, a baby is found to have a continuous murmur and is diagnosed with patent ductus arteriosus.

What is the role of the ductus arteriosus in foetal circulation?
a