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OBGYN-OB1 Edelman All Answers Correct

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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...

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  • September 27, 2024
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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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