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FETAL ECHOCARDIOGRAPHY EXAM WITH QUESTIONS AND CORRECT ANSWERS
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FETAL ECHOCARDIOGRAPHY EXAM WITHQUESTIONS AND CORRECT ANSWERS
WHAT TWO NATURAL SHUNTS MAKE BLOOD FLOW IN THE FETAL
HEART DIFFERENT? - Answer foramen ovale and ductus arteriosus.
Answer: Ductus arteriosus is the connection that sends blood from the pulmonary
artery to the aorta.
What does the ductus arteriosus bypass? - ANSWER THE LUNGS
OPENING BETWEEN LT AND RT ATRIA THAT: ANSWER FORAMEN
OVALE
Which side of a fetus's heart is larger (in utero only)? - ANSWER RIGHT.
THE FORAMEN OVALE SHUNTS BLOOD FROM THE ________ ATRIUM
TO THE _________ ATRIUM - ANSWER: RIGHT TO LEFT
WHICH SIDE OF THE HEART IS Larger Postnatally? - ANSWER LEFT.
Which chamber is closest to the spine in a normal position? - ANSWER LEFT
ATRIUM.
The apex should be pointing toward the ________ side of the body at ________
degrees. - ANSWER LEFT, 45 DEGREES
WHEN DOES THE HEART BEGIN BEATING IN EMBRYONIC AND
GESTATIONAL AGE? - Answer: 21 days embryonic or 35 days gestational age.
, What is the most critical period for fetal heart development? - Answer: 3 ½ to 6 ½
weeks.
WHAT ARE THE MAIN STRUCTURES OF A 7-WEEK FETAL HEART? -
Answer: Ductus Arteriosus
Aorticopulmonary Septum
MEMBRANOUS PART OF IVS.
The muscular part of the IVS
Where does blood come from in fetal circulation and go into the umbilical vein? -
ANSWER THE PLACENTA
The blood flow from the placenta should be rich or poor in oxygen and nutrients. -
ANSWER: OXYGEN AND NUTRIENT RICH.
_____% of the fetal blood that travels from the umbilical vein goes to the
____________________. AND THE OTHER _____% GOES TO THE
_____________________? - ANSWER FETAL BLOOD TRAVELS FROM THE
UMBILICAL VEIN, 50% GOES TO THE LEFT PORTAL SINUS, AND THE
OTHER 50% GOES TO THE DUCTUS VENOSUS.
If blood enters the left portal sinus, how does it reach the IVC? - ANSWER
BLOOD TRAVELS FROM THE LEFT PORTAL SINUS, FILTERING
THROUGH THE LIVER AND DUMPING INTO THE HEPATIC VEINS AND
THE IVC
THE DUCTUS VENOSUS TRAVELS TO THE ________ INSTEAD OF THE
____. - The ductus venosus bypasses the liver and travels to the IVC.
What two vessels dump into the right atrium? - ANSWER IVC AND SVC
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