OB GYN ARDMS REGISTRY CORE MAIN QUESTIONS
AND ANSWERS SET A+
✔✔Monozygotic - ✔✔Twins from fertilization of a single ova are called?
✔✔Monozygotic gestations - ✔✔Twin-to-twin transfusion syndrome is specific to _____
gestation?
✔✔Dichorionic - ✔✔Monozygotic twins can be ___chorionic?
✔✔Placentation - ✔✔Chorionicity is related to?
✔✔Dichorionic - ✔✔100% of dizygotic twins are ___chorionic?
✔✔Monozygotic - ✔✔Identical twins develope from the same zygote?
✔✔Dizygotic - ✔✔Fraternal twins develope from 2 seperate zygotes and are fertilized
by 2 seperate sperm?
✔✔Dichorionic - ✔✔Each twin has it's own chorionic and amnionic sac?
✔✔Chorionicity and Amnionicity - ✔✔These are determined by the timing of separation
of the single zygote during pregnancy?
✔✔Caudal Regression Syndrome - ✔✔Anomaly associated with maternal DM and is an
abnormal development of the lower spine?
✔✔Trisomy 21 - ✔✔If a patient's AFP level is low, one should check for?
✔✔Ventricular - ✔✔These measurements in the head are consistant throughout the
pregnancy?
,✔✔Thanatrophoic dwarfism - ✔✔A skull that is shaped like a clover leaf is most likely
associated with?
✔✔Thanatrophoic dwarfism - ✔✔Characteristics of this are:
narrow chest, small rib cage, enlarged head with large forehead and wide spaced eyes,
still born or die shortly after birth from respratory failure?
✔✔Vein of Galen Aneurysm - ✔✔You discover a rounded, fluid filed midline structure
withing the fetal brain that shows color Doppler. This is most likely?
✔✔Vein of Galen Aneursym - ✔✔This can lead to cardiac failure, hydrocephaly and
subarachnoid hemorrhage in neonates?
✔✔Cleft defect of the face
Trisomy 13
Large monoventricle with fused thalami
Usually fatal - ✔✔These are associated with alobar holoprosencephaly?
✔✔FL/AC - ✔✔Which ratio is most sensitive for detecting asymetrical IUGR?
✔✔Oligohydramnios - ✔✔These are associated with?
IUGR
Premature rupture of membranes
Bilateral renal agenesis
Intrauterine fetal demise
Deficiency of amniotic fluid
AFI < 5-6 cm
✔✔Polyhydramnios - ✔✔These are associated with?
Excess of amniotic fluid
AFI > 24cm
Fetal renal disorders, increased urin production
Impaired swallowing
Anencephaly
Down's syndrome
✔✔Preeclampsia or Toxemia - ✔✔A patient after 20 weeks who presents with
hypertension, swelling and protienuria is said to have?
✔✔Eclampsia - ✔✔Hypertension causing seizures during pregnancy?
✔✔Transposition of the great vessels - ✔✔What cardiac abnormallity can not be
detected by the 4-chamber heart view?
, ✔✔Hydrocephalus - ✔✔Build up of fluid inside the skull that leads to brain swelling
✔✔Anencephally - ✔✔Neural tube defect, fails to close, absence of major portion of the
brain, most do not survive?
✔✔Acrania - ✔✔Partial or complete absence of the top portion of the skull, incompatible
with life?
✔✔Encephalocele - ✔✔Neural tube defect, sac-like protrusionof the brain and the
membranes through openings in the skul?
✔✔Cleft Palate - ✔✔Upper lip and roof of mouth do not come together?
✔✔Cystic Hygroma - ✔✔Large cyst-like cavities containing watery fluid (lymph fluid) on
the neck area, benign?
✔✔Teratoma - ✔✔Encapsulated tumor with tissure or organ components, can contain
teeth, hair and bones, can be benign or malignant?
✔✔Turner"s Syndrome - ✔✔An abnormal X chromosomal in females which leaves them
infertal because of the absents of ovarian function.
Extra skin on the neck, heart defects, swelling in hands & feet, kidney problems?
✔✔Lecithin/Sphingomyelin Ratio - ✔✔What ratio test is best for determining fetal lung
maturity using amniotic fluid?
✔✔Puerperium - ✔✔Refers to after delivery, a process that takes 6-8 weeks?
✔✔4 weeks - ✔✔The postpartum uterus should revert back to pregravida size within
how many weeks?
✔✔Coexistent Mole and Live Fetus - ✔✔A molar pregnancy associated with a viable
fetus is called?
✔✔Cystadenoma - ✔✔A benign tumor derived from glandular tissue. Can make a
pregnant patient present large for gestational age?
✔✔Cystic Teratoma - ✔✔Germ cell tumors composed of multiple cell types derived from
one or more of the 3 germ layers. Can make a pregnant patient present large for
gestational age?
✔✔Leiomyomas - ✔✔Benign fibroid tumor. Can make a pregnant patient present large
for gestational age?
AND ANSWERS SET A+
✔✔Monozygotic - ✔✔Twins from fertilization of a single ova are called?
✔✔Monozygotic gestations - ✔✔Twin-to-twin transfusion syndrome is specific to _____
gestation?
✔✔Dichorionic - ✔✔Monozygotic twins can be ___chorionic?
✔✔Placentation - ✔✔Chorionicity is related to?
✔✔Dichorionic - ✔✔100% of dizygotic twins are ___chorionic?
✔✔Monozygotic - ✔✔Identical twins develope from the same zygote?
✔✔Dizygotic - ✔✔Fraternal twins develope from 2 seperate zygotes and are fertilized
by 2 seperate sperm?
✔✔Dichorionic - ✔✔Each twin has it's own chorionic and amnionic sac?
✔✔Chorionicity and Amnionicity - ✔✔These are determined by the timing of separation
of the single zygote during pregnancy?
✔✔Caudal Regression Syndrome - ✔✔Anomaly associated with maternal DM and is an
abnormal development of the lower spine?
✔✔Trisomy 21 - ✔✔If a patient's AFP level is low, one should check for?
✔✔Ventricular - ✔✔These measurements in the head are consistant throughout the
pregnancy?
,✔✔Thanatrophoic dwarfism - ✔✔A skull that is shaped like a clover leaf is most likely
associated with?
✔✔Thanatrophoic dwarfism - ✔✔Characteristics of this are:
narrow chest, small rib cage, enlarged head with large forehead and wide spaced eyes,
still born or die shortly after birth from respratory failure?
✔✔Vein of Galen Aneurysm - ✔✔You discover a rounded, fluid filed midline structure
withing the fetal brain that shows color Doppler. This is most likely?
✔✔Vein of Galen Aneursym - ✔✔This can lead to cardiac failure, hydrocephaly and
subarachnoid hemorrhage in neonates?
✔✔Cleft defect of the face
Trisomy 13
Large monoventricle with fused thalami
Usually fatal - ✔✔These are associated with alobar holoprosencephaly?
✔✔FL/AC - ✔✔Which ratio is most sensitive for detecting asymetrical IUGR?
✔✔Oligohydramnios - ✔✔These are associated with?
IUGR
Premature rupture of membranes
Bilateral renal agenesis
Intrauterine fetal demise
Deficiency of amniotic fluid
AFI < 5-6 cm
✔✔Polyhydramnios - ✔✔These are associated with?
Excess of amniotic fluid
AFI > 24cm
Fetal renal disorders, increased urin production
Impaired swallowing
Anencephaly
Down's syndrome
✔✔Preeclampsia or Toxemia - ✔✔A patient after 20 weeks who presents with
hypertension, swelling and protienuria is said to have?
✔✔Eclampsia - ✔✔Hypertension causing seizures during pregnancy?
✔✔Transposition of the great vessels - ✔✔What cardiac abnormallity can not be
detected by the 4-chamber heart view?
, ✔✔Hydrocephalus - ✔✔Build up of fluid inside the skull that leads to brain swelling
✔✔Anencephally - ✔✔Neural tube defect, fails to close, absence of major portion of the
brain, most do not survive?
✔✔Acrania - ✔✔Partial or complete absence of the top portion of the skull, incompatible
with life?
✔✔Encephalocele - ✔✔Neural tube defect, sac-like protrusionof the brain and the
membranes through openings in the skul?
✔✔Cleft Palate - ✔✔Upper lip and roof of mouth do not come together?
✔✔Cystic Hygroma - ✔✔Large cyst-like cavities containing watery fluid (lymph fluid) on
the neck area, benign?
✔✔Teratoma - ✔✔Encapsulated tumor with tissure or organ components, can contain
teeth, hair and bones, can be benign or malignant?
✔✔Turner"s Syndrome - ✔✔An abnormal X chromosomal in females which leaves them
infertal because of the absents of ovarian function.
Extra skin on the neck, heart defects, swelling in hands & feet, kidney problems?
✔✔Lecithin/Sphingomyelin Ratio - ✔✔What ratio test is best for determining fetal lung
maturity using amniotic fluid?
✔✔Puerperium - ✔✔Refers to after delivery, a process that takes 6-8 weeks?
✔✔4 weeks - ✔✔The postpartum uterus should revert back to pregravida size within
how many weeks?
✔✔Coexistent Mole and Live Fetus - ✔✔A molar pregnancy associated with a viable
fetus is called?
✔✔Cystadenoma - ✔✔A benign tumor derived from glandular tissue. Can make a
pregnant patient present large for gestational age?
✔✔Cystic Teratoma - ✔✔Germ cell tumors composed of multiple cell types derived from
one or more of the 3 germ layers. Can make a pregnant patient present large for
gestational age?
✔✔Leiomyomas - ✔✔Benign fibroid tumor. Can make a pregnant patient present large
for gestational age?
