OB/GYN Ch.32 Review
All of the following are clinical features of placental abruption except:
Funneling of the cervix
Evidence of polyhydramnios should warrant a careful investigation of the fetal:
Gastrointestinal system
The placenta releases ___ to maintain the corpus luteum.
Human chorionic gonadotropin
Fetal TORCH is frequently associated with:
Intracranial calcifications
When the placental edge extends into the lower uterine segment but ends more than 2 cm away from the internal os, it is referred to as:
Low-lying preview
Mothers with gestational diabetes run the risk of having fetuses that are considered:
Macrosomic
Insertion of the umbilical cord at the edge of the placenta is referred to as:
Marginal cord insertion
Pools of maternal blood noted within the placental substance are referred to as:
Maternal lakes
Mothers with pre gestational diabetes, as opposed to gestational diabetes, ave an increased risk of a fetus with:
Neural tube defects
One of the most common causes of painless vaginal bleeding in the second and third trimester:
Placenta previa
All of the following are associated with a thick placenta except:
Placental insufficiency
Placenta accrete denotes:
The abnormal attachment of the placenta to the myometrium
The normal umbilical cord has:
Two arteries and one vein
The cervix should measure at least ___ in length.
3 cm
The placenta is considered too thick when it measures:
>4cm
The measurement that should be carefully scrutinized in cases of IUGR is the:
Abdominal circumfrence
A succenturiate lobe of the placenta refers to as:
Accessory lobe
An anechoic mass is noted within the umbilical cord during a routine sonographic examination. What is the most likely diagnosis?
Allantoic cyst
Increased S/D ratio is associated with all of the following except:
Allantoic cysts
IUGR is evident when the EFW is:
Below the 10th percentile
All of the following are associated with polyhydramnios except:
Bilateral multi cystic dysplastic kidney disease
Doppler assessment of the middle cerebral artery:
Can evaluate the fetus for hypoxia
The most common placental tumor is the:
Chorioangioma
The fetal contribution to the placenta is:
Chorion frondosum
The maternal contribution to the placenta is the:
Decidua basalis
Normal, the S/D ratio:
Decreases with advancing gestation
All of the following are associated with oligohydramnios except:
Duodenal atresia
All of the following are associated with a thin placenta except:
Fetal hydrops
A velamentous cord insertion is associated with which of the following?
Vasa previa
Doppler sonography reveals vascular structures coursing over the internal os of the cervix. This finding is indicative of:
Vasa previa
