Chapter 25 fetal face and neck questions
the most common location of a cystic hygroma is within the
neck
the absence of the eyes is termed
Anophthalmia
there is a definite link between microtia and what syndrome?
down syndrome
which of the following is also referred to as trisomy 21? -edwards syndrome -patau syndrome -meckel-gruber syndrome -down syndrome
down syndrome
which of the following conditions does not affect the orbits? -cebocephaly -cyclopia -ethmocephaly -epignathus
epignathus
the condition in which there is no nose and a proboscis separating two close-set orbits is
ethmocephaly
A reduction in the distance between the orbits is referred to as:
hypotelorism
which of the following would be most difficult to detect sonographically? -cleft lip and cleft palate -isolated cleft lip -isolated cleft palate -isolated median cleft
isolated cleft palate
which of the following may also be referred to as turner syndrome? -down syndrome -tri 13 -tri 15 -monosomy X
monosomy X
the optimal scan plane to visualize micrognathia is
sagittal
macroglossia is most commonly found with
Beckwith-Wiedemann syndrome
An oral teratoma is referred to as
epignathus
the thickness of the nuchal fold in the second trimester not exceed
6mm
the fetal lip typically closes by
8 weeks
a cystic hygroma is the result of
An abnormal accumulation of lymphatic fluid within the soft tissue
micrognathia is a condition found in:
Trisomy 18
a group of abnormalities associated with the entrapment of fetal parts and fetal amputations is
amniotic band syndrome
the most common cause of hypertelorism is
anterior cephalocele
the growth disorder syndrome synonymous with organ, skull, and tongue enlargement is:
beckwith-wiedemann syndrome
the nuchal fold measurement is typically obtained
between 15 weeks and 21 weeks
the measurement obtained between the lateral walls of the orbits is referred to as the:
binocular diameter
which of the following is a benign congenital neck cysts found most often near the angle of the mandible? -epignathus -branchial cleft cyst -thyroglossal duct cyst -fetal goiter
branchial cleft cyst
at what level is the nuchal fold measurement obtained?
cavum septum pellucidum
close-set eyes and a nose with a single nostril is termed
cebocephaly
An abnormal division in the lip is referred to as
cleft lip
Fusion of the orbits is termed
cyclopia
a large, mostly cystic mass containing a thick, midline septation is noted in the cervical spine region of a fetus. This most likely represents a(n):
cystic hygroma
all of the following are sonographic features of holoprosencephaly except: -cystic hygroma -proboscis with cyclopia -fused thalamus -monoventricle
cystic hygroma
nuchal thickening is most commonly associated with:
down syndrome
the isolated enlargement of the thyroid is referred to as
fetal goiter
facial anomalies, when discovered, should prompt the sonographer to analyze the brain closely for signns of:
holoprosencephaly
an increase distance between orbits is referred to as:
hypertelorism
An unusual protuberance of the tongue is termed
macroglossia
a small mandible is termed
micrognathia
what is the term for a smaller than normal ear?
microtia
the most frequently encountered chromosomal abnormality assoicated with holoprosencephaly is
trisomy 13
which of the following is also referred to as patau syndrome? -tri 18 -tri 13 -tri 21 -tri 12
trisomy 13
an absent or hypoplastic nasal bone is most likely associated with
trisomy 21
an increased nuchal fold is most likely assoicated with
trisomy 21
which of the following would most likely involve the development of a cystic hygroma? -beckwith-wiedemann syndrome -hydranencephaly -turner syndrome -klinefelter syndrome
turner syndrome
