Fetal Echocardiography Questions with
Correct Answers 2025/2026
What two natural shunts cause blood flow in the fetal heart to be different? - correct answer -
foramen ovale and ductus arteriosus
Connection that shunts blood from pulmonary artery to the aorta - correct answer -ductus
arteriosus
The ductus arteriosus bypasses what? - correct answer -the lungs
Opening between lt and rt atria that - correct answer -foramen ovale
Which side of the heart is larger in a fetus (in utero only)? - correct answer -right
The foramen ovale shunts blood from the ________ atrium to the _________ atrium - correct
answer -right to left
Which side of the heart is larger postnatal? - correct answer -left
What chamber is closest to the spine in normal situs? - correct answer -left atrium
The apex should point towards the ________ side of the body at ________ degrees. - correct
answer -left; 45 degrees
When does the heart start beating in embryonic age and in gestational age? - correct answer -
21 days embryonic or 35 days gestational age
, What is the most critical time for fetal heart development? - correct answer -3 ½ to 6 ½ weeks
What main structures are present in a 7 week fetal heart? - correct answer -ductus arteriosus
Aorticopulmonary septum
Membranous part of ivs
Muscular part of ivs
In fetal circulation where does blood come from that flows into the umbilical vein? - correct
answer -the placenta
Blood flow from the placenta should be oxygen (rich/poor) and nutrient (rich/poor). - correct
answer -oxygen rich and nutrient rich
Fetal blood that travels from the umbilical vein, _____ % goes to the ____________________
and the other _____% travels to the __________________________? - correct answer -fetal
blood that travels from the umbilical vein, 50% goes to the left portal sinus and the other 50%
travels to the ductus venosus
If blood goes to the left portal sinus, how does does it get to the ivc? - correct answer -blood
travels from left portal sinus, filters through the liver and dumps into the hepatic veins into the
ivc
The ductus venosus bypasses the __________ and travels to the ________. - correct answer -
the ductus venosus bypasses the liver and travels to the ivc
What 2 vessels dump into the right atrium? - correct answer -ivc and svc
Correct Answers 2025/2026
What two natural shunts cause blood flow in the fetal heart to be different? - correct answer -
foramen ovale and ductus arteriosus
Connection that shunts blood from pulmonary artery to the aorta - correct answer -ductus
arteriosus
The ductus arteriosus bypasses what? - correct answer -the lungs
Opening between lt and rt atria that - correct answer -foramen ovale
Which side of the heart is larger in a fetus (in utero only)? - correct answer -right
The foramen ovale shunts blood from the ________ atrium to the _________ atrium - correct
answer -right to left
Which side of the heart is larger postnatal? - correct answer -left
What chamber is closest to the spine in normal situs? - correct answer -left atrium
The apex should point towards the ________ side of the body at ________ degrees. - correct
answer -left; 45 degrees
When does the heart start beating in embryonic age and in gestational age? - correct answer -
21 days embryonic or 35 days gestational age
, What is the most critical time for fetal heart development? - correct answer -3 ½ to 6 ½ weeks
What main structures are present in a 7 week fetal heart? - correct answer -ductus arteriosus
Aorticopulmonary septum
Membranous part of ivs
Muscular part of ivs
In fetal circulation where does blood come from that flows into the umbilical vein? - correct
answer -the placenta
Blood flow from the placenta should be oxygen (rich/poor) and nutrient (rich/poor). - correct
answer -oxygen rich and nutrient rich
Fetal blood that travels from the umbilical vein, _____ % goes to the ____________________
and the other _____% travels to the __________________________? - correct answer -fetal
blood that travels from the umbilical vein, 50% goes to the left portal sinus and the other 50%
travels to the ductus venosus
If blood goes to the left portal sinus, how does does it get to the ivc? - correct answer -blood
travels from left portal sinus, filters through the liver and dumps into the hepatic veins into the
ivc
The ductus venosus bypasses the __________ and travels to the ________. - correct answer -
the ductus venosus bypasses the liver and travels to the ivc
What 2 vessels dump into the right atrium? - correct answer -ivc and svc