OB/GYN ARDMS REGISTRY REVIEW WITH VERIFIED ANSWERS
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OB/GYN ARDMS REGISTRY
Institution
OB/GYN ARDMS REGISTRY
OB/GYN ARDMS REGISTRY REVIEW WITH VERIFIED ANSWERS
1. Rhombencephalon The primitive hindbrain can be seen as a cystic
structure with in the embryonic head?
2. Decidua Basalis The maternal side of the developing placenta is
referred to as the?
3. 1 mm/day Up to 10 weeks gestational age, the mea...
OB/GYN ARDMS REGISTRY REVIEW WITH VERIFIED ANSWERS
1. Rhombencephalon The primitive hindbrain can be seen as a cystic
structure with in the embryonic head?
2. Decidua Basalis The maternal side of the developing placenta is
referred to as the?
3. 1 mm/day Up to 10 weeks gestational age, the mean diame-
ter of the normal gestational sac should grow?
4. 12 weeks Physicologic hernation of fetal intestines outside
CRL measures > 45mm the abdomen should not be seen after what ges-
tational age?
5. 7 mm The base of the umbilical cord should not exceed?
6. 3600 units/liter One should be able to transabdominally image a
2000 units/liter gestational sac when the IRC level for hCG is = or
>?
Transvaginally?
7. Hydatiform Mole Patient is 10 weeks by menstrual dates with preg-
nancy induced hypertension. You suspect?
8. Preeclamsia Almost always pathonomonic of a molar pregnan-
cy in the 1st trimester?
9. Dilated cervix Pregnant patient presents with bledding and
cramping. What would be suspect of an inevitable
abortion?
10. Heteroectopic pregnan- An ectopic with a normal IUP?
cy
11. Yolk Sac To differentiate an early IUP from a pseudogesta-
tional sac, it is helpful to visualize?
12. 6mm A yolk sac is considered abnormal when it's diam-
Irregulary shaped eter exceed? Shape? Appearance?
Calcified
,OB/GYN ARDMS REGISTRY REVIEW WITH VERIFIED ANSWERS
13. Methotrexate What drug can be used to treat an early unruptured
ectopic pregnancy in order to preserve fertility?
14. Anteflexed The most common position of a uterus is?
15. Interstitual In a ruptured extopic pregnancy, which section of
Rupture is accompa- the tube is most life threatening?
nied by bleeding from Why?
the uterin arteries
16. The amnion and yolk The double bleb sign refers to?
sac
17. 8 weeks At how many weeks, the normal gestational sac
10 weeks should occupy 1/2 of the uterine cavity and show
a yolk sac, embryo and heart beat?
At how many weeks will it fill the uterine cavity with
a well defined fetus?
18. Trophoblastic Disease 1. A group of rare tumors that involve abnormal
growth of cells inside the uterus. They start in cells
that would normaly develope into the placenta.
19. Complete Hydatiform Most common form of Trophoblastic Disease?
Mole
20. Complete A Hydatidiform Mole from trophoblastic neoplasia
without the presents of an embryo?
21. Partial A Hydatidiform Mole from trophoblastic neoplasia
with an abnormal embryo or fetus.
22. Theca Lutein Cysts Functional ovarian cysts are called?
23. Trophoblastic Disease Associated with:
Hydatididform Mole
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
,OB/GYN ARDMS REGISTRY REVIEW WITH VERIFIED ANSWERS
Large for gestational age
All characteristics of?
24. CRL Most reliable calculation for the EDC is?
25. 11 weeks Because of spinal segmentation, CRL begins to
loose accuracy after how many weeks?
26. Vitelline Duct (om- The structure that initially maintains a connction
phalomesenteric duct) between the yolk sac and embryo once they di-
verge from each other?
Contains and artery and a vein.
27. Nuchal translucency Thickening of the nuchal soft tissue during the 1st
trimester and a strong corrolation for chromosomal
defects?
28. Shirodkar Procedure A procedure preformed to treat and incompentent
cervix. The most complicated, the suture is almost
completely buried beneath the cervical mucosa?
29. McDonald Procedure A procedure preformed to treat and incompentent
cervix with a less invasive outcome using a purse
string suture.
30. Ectopic With this type of pregnancy, the most common
symptom is pain?
31. Interstital An ectopic pregnancy in this part of the tube is
more life threatening?
32. 3mm Normally, nuchal translucency doesn't exceed?
33. Chorid Plexus This lies within the atria of the lateral ventricals
bilaterally?
34. Lateral Ventricular Atria In ruling out hydrocephalus, where would one 1st
begin to see enlargement?
35.35.
, 1cm in largest dimen- The normal measurements for the lateral ventricla
sion transversely of the fetal brain are?
36. 3 ossidication centers When the fetal spine is imaged transversly, the
(2 posterior pointing to- ultrasound demonstrates?
ward each other, 1 ante-
rior)
37. M-mode What US modality would you us to prove fetal life
on a frozen image?
38. Left Atrium The anatomic structure closest to the spine in a
4-chamber heart view is?
39. Fetal Heart This occupies 1/3 of the chest cavity pointing to-
ward the left side of the fetus?
40. RVOT - Pulmonary The great vessels of the heart consist of?
Artery
LVOT - Ascending Aorta
41. Foramen Ovale Communication between right and left Atria is
termed?
42. 45 degree angle to the In a normal fetus, the heart is positioned at what
left of midline angle?
43. Chordae Tendineae / A small rounded echoginic structure withing the
papillary muscle left ventrical of the heart is?
44. Coronal Which view best demonstrated the diaphram?
Transverse @ the level of 4-chamber heart
45. Transverse view @ lev- The thoracic circumference is measured in the?
el of 4-chamber heart
46. Aortic Arch The candy-cane pulsating vessel imaged some-
what to the left of the spine in longitudinal is?
47. Esophageal Artesia
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