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Mosby Ch 27
Terms in this set (50)
A clenched fetal fist is commonly associated with which of the following syndromes?
(80% of trisomy 18 are assoc with clenched fist)
Anasarca is a condition often seen in cases of:
Which of the following is a sonographic finding associated with Beckwith-Wiedemann syndrome?
(omphalocele and hemihypertrophy)
Megaureter and oligohydramnios are sonographic findings associated with which fetal syndrome?
(prune-belly, assoc with hydro as well)
Twin-twin transfusion generally demonstrates:
a minimun fetal weight discordance of 20%
Duodenal atresia is typically documented in one-third of cases of:
Fetal papyraceus is a term used to describe:
demise of a twin too large to resolve
Which of the following most accurately describes twin-twin transfusion?
Arterial blood from the donor twin is pumped into the venous system of the receiving twin
Fusion of the fingers or toes is termed:
Which of the following sonographic findings is NOT associated with Meckel-Gruber syndrome?
(assoc with infantile polycystic disease)
Which of the following sonographic findings differentiates immune from nonimmune fetal hydrops?
none of the above
(sonography can't differentiate)
What percentage of twin gestations will generally result in a singleton pregnancy at term?
Which of the following syndromes is more commonly associated with clinodactyly?
(inward curving of the fifth finger)
Amniocentesis for genetic testing is typically performed between:
15 and 18 weeks
Trisomy 13 is also known as
What is the most likely cause of the cranial shape on this sonogram?
A plantar image of the fetal foot reveals a sonographic finding termed?
This sonographic finding is associated with:
A second-trimester fetus is demonstrating which of the following abnormalities?
bilateral choroid plexus cysts
This can be associated with which of the following?
(generally resolve by 23 weeks)
An early second trimester obstetrical patient presents with a history of elevated alpha-fetoprotein level. A cross-sectional sonogram at the level of the fetal neck documents which of the following abnormalities?
This is a common sonographic finding associated with which chromosomal abnormality?
The sonographic findings are most suspicious for:
(intra-abdominal fluid, ascites)
A patient presents for an early second-trimester sonogram. A cross-sectional image reveals two fetal abdomens. This image is most suspicious for:
A first-trimester sonogram demonstrating:
(a membrane is present between the twins)
The abnormality present in this 18-week gestation is most suspicious for which chromosomal anomaly?
(nuchal thickness greater than 6mm is abnormal)
Which of the following abnormalities is associated with this syndrome?
What is the most likely chromosomal anomaly associated with this second-trimester fetus?
Which of the following extremity malformations is associated with this condition?
rocker bottom feet
Preeclampsia is a complication of pregnancy demonstrating:
maternal hypertension, proteinuria, edema
Preterm labor is defined as the onset of labor prior to:
37 weeks' gestation
Which of the following is likely to occur if a single zygote divides 7 days after fertilization?
two amnion and one chorion
(one shared placenta)
Arteriovenous shunting within the placenta occurs with:
(arterial blood of donor shunts to the venous system of recipient twin)
With twin-twin transfusion syndrome, the recipient twin is likely to acquire:
(receives too much blood, poly and placentomegaly also present)
What sonographic finding(s) confirms the presence of a diamniotic pregnancy?
two gestational sacs
(two individual amnions)
Which of the following is NOT a sonographic finding in fetal hydrops?
umbilical vein varix
Fetal hydrops resulting from fetal tachycardia most commonly demonstrates a fetal heart rate of:
200-240 beats per minute
Twin gestation arising from two separate fertilized ova is termed:
Which of the following abnormalities increases the risk of fetal injury?
(can cause amputations/malformations)
Amniotic band syndrome may result in:
Which of the following syndromes demonstrates a normal karyotype and is associated with hemihypertrophy?
A dizygotic gestation is expected to be:
(two zygotes will always be di/di)
The gravest form of pregnancy-induced maternal hypertension is termed:
(seizures, proteinuria, edema, coma)
Sonographic appearance of fetal hydrops in Rh sensitization includes all of the following EXCEPT:
A monochorionic twin pregnancy in which one develops without an upper body is termed:
Which of the following syndromes is manifested by dilatation of the renal collecting system?
Which of the following twin abnormalities demonstrates a venous-to-venous anastomosis?
Which of the following is a common abnormality associated with trisomy 13?
Which of the following conditions displays ectopia cordis and gastroschisis?
Pentalogy of Cantrell
Inward curving of the fifth finger is a clinical finding associated with:
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