OBGYN-OB1 Edelman All Answers Correct
The foramen ovale permits blood to pass from the: ️right to the left
Exchange of oxygen, nutrients and fetal wastes occurs at what location in the placenta? ️chorionic
villi
The ratio of BPD to OFD determines the ️CI
The optimal period to examin...
OBGYN-OB1 Edelman All Answers Correct
The foramen ovale permits blood to pass from the: ✔️right to the left
Exchange of oxygen, nutrients and fetal wastes occurs at what location in the placenta? ✔️chorionic
villi
The ratio of BPD to OFD determines the ✔️CI
The optimal period to examine fetal cardiac anatomy is ✔️18-22 weeks
The most dangerous location for an ectopic pregnancy is ✔️interstitial
Clinical signs of placenta previa include all of the following except ✔️hypovolemic shock
When obtaining a fetal abdominal circumference measurement, which of the following should not be
visualized? ✔️umbilical insertion
The umbilical cord is covered by ✔️amnion
The nuchal fold should not exceed ______ mm in a normal pregnancy, when measured prior to 21
weeks. ✔️6 mm
If an embryo fails to develop or stops developing before it is detectable sonographically, this is
specifically termed ✔️an anembryonic pregnancy
During a routine first trimester sonogram, the sonographer notes a 4 cm anechoic cyst in one of the
maternal ovaries. This most likely is ✔️corpus luteum cyst of pregnancy
, The anechoic structure visualized sonographically in the posterior portion of the embryonic cranium
between 8-11 weeks is ✔️rhombencephalon
Chorioamniotic separation is normal until _______ menstrual weeks. ✔️16
An identifiable embryo at least 7 mm in size without cardiac activity is referred to as a(n) ____ abortion.
✔️missed
Embryonic cardiovascular activity is typically within what range between 5 - 6 weeks gestation? ✔️100-
115 bpm
The vessels normally found in the umbilical cord are ✔️2 arteries 1 vein
The trophoblasts of the blastocyst become the ✔️chorion
Which of the following sonographic findings is specific for an ectopic pregnancy? ✔️extrauterine mass
with a visible yolk sac
Sonographic findings suspicious for ectopic pregnancy include all of the following except ✔️sac
eccentric to endometrial cavity
The amnion and chorion should not be seen as separate entities sonographically by what gestational
age? ✔️16 weeks
Embryonic growth rate is approximately ✔️1mm per day
All of the following may be seen sonographically with a missed abortion except ✔️brownish vaginal
discharge without frank bleeding
Which of the following is not characteristic of an anembryonic pregnancy? ✔️dilated cervix greater
than 3 cm
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