Davies Fetal Echo Review questions and
answers with solutions
The pacemaker of the heart is the - ANSWER sinoatrial node
At what gestational age is a fetus most susceptible to teratogen exposure? - ANSWER 4-8 weeks
the fourth aortic arch and common dorsal aorta become the - ANSWER definitive aorta
Abnormal looping of the heart tube to the left will result - ANSWER Corrected transposition of
the great arteries (l-looping)
At what point in heart development does the fetal heart begin to beat - ANSWER 21-28 days
In the sequence of fetal heart development, embryologically what is last to form - ANSWER
semilunar valves
A fully septated fetal heart is achieved by gestation week - ANSWER 8
four separate pulmonary veins are formed when the left right pulmonary veins are absorbed.
the four pulmonary veins then normally enter into the - ANSWER left atrium
endocardial cushions are involved in the development of the - ANSWER semilunar valves,
AV valves
membranous septum
, what syndrome is thought to be a result of a midline development field defect - ANSWER
polysplenia and asplenia (ivemark syndrome aka right atrial isomerism)
the period of organogenesis occurs between which weeks of gestations - ANSWER 4-8 weeks
if the primitive heart tube loops to the right instead of left the result would be - ANSWER
normal great artery relationship (d-loop)
the partitioning of the embryonic fetal heart into the chambers of the atria and ventricles
begins at approximately what gestational day - ANSWER day 28
coarctation of the aorta is thought to be the result of - ANSWER aberrant ductal tissue
decreased blood flow through the aortic isthmus
failure of the fourth and sixth aortic arch to connect with the descending aorta
all of the following are indications for a fetal echo exam EXCEPT
family history of congenital heart defect
history of tuberous sclerosis
extracardiac abnormality
echogenic foci
exposure to teratogenic medications - ANSWER echogenic foci
all of the following are maternal conditions indicitive of a fetal echo exam EXCEPT
diabetes
connective tissue disorder
use of alcohol
hyperphenylalainiemia
answers with solutions
The pacemaker of the heart is the - ANSWER sinoatrial node
At what gestational age is a fetus most susceptible to teratogen exposure? - ANSWER 4-8 weeks
the fourth aortic arch and common dorsal aorta become the - ANSWER definitive aorta
Abnormal looping of the heart tube to the left will result - ANSWER Corrected transposition of
the great arteries (l-looping)
At what point in heart development does the fetal heart begin to beat - ANSWER 21-28 days
In the sequence of fetal heart development, embryologically what is last to form - ANSWER
semilunar valves
A fully septated fetal heart is achieved by gestation week - ANSWER 8
four separate pulmonary veins are formed when the left right pulmonary veins are absorbed.
the four pulmonary veins then normally enter into the - ANSWER left atrium
endocardial cushions are involved in the development of the - ANSWER semilunar valves,
AV valves
membranous septum
, what syndrome is thought to be a result of a midline development field defect - ANSWER
polysplenia and asplenia (ivemark syndrome aka right atrial isomerism)
the period of organogenesis occurs between which weeks of gestations - ANSWER 4-8 weeks
if the primitive heart tube loops to the right instead of left the result would be - ANSWER
normal great artery relationship (d-loop)
the partitioning of the embryonic fetal heart into the chambers of the atria and ventricles
begins at approximately what gestational day - ANSWER day 28
coarctation of the aorta is thought to be the result of - ANSWER aberrant ductal tissue
decreased blood flow through the aortic isthmus
failure of the fourth and sixth aortic arch to connect with the descending aorta
all of the following are indications for a fetal echo exam EXCEPT
family history of congenital heart defect
history of tuberous sclerosis
extracardiac abnormality
echogenic foci
exposure to teratogenic medications - ANSWER echogenic foci
all of the following are maternal conditions indicitive of a fetal echo exam EXCEPT
diabetes
connective tissue disorder
use of alcohol
hyperphenylalainiemia
