OB/GYN ARDMS Registry Review (OB/GYN Registry Review) 2023 With 100% Correct Answers

OB/GYN ARDMS Registry

Review(OB/GYN Registry Review)2023

Rhombencephalon - Answer The primitive hindbrain can be seen as a cystic

structure with in the embryonic head?

Decidua Basalis - Answer The maternal side of the developing placenta is referred to

as the?

1 mm/day - Answer Up to 10 weeks gestational age, the mean diameter of the

normal gestational sac should grow?

12 weeks

CRL measures > 45mm - Answer Physicologic hernation of fetal intestines outside

the abdomen should not be seen after what gestational age?

7 mm - Answer The base of the umbilical cord should not exceed?

3600 units/liter

2000 units/liter - Answer One should be able to transabdominally image a gestational

sac when the IRC level for hCG is = or >?

Transvaginally?

Hydatiform Mole - Answer Patient is 10 weeks by menstrual dates with pregnancy

induced hypertension. You suspect?

Preeclamsia - Answer Almost always pathonomonic of a molar pregnancy in the 1st

trimester?

Dilated cervix - Answer Pregnant patient presents with bledding and cramping. What

would be suspect of an inevitable abortion?

Heteroectopic pregnancy - Answer An ectopic with a normal IUP?

Yolk Sac - Answer To differentiate an early IUP from a pseudogestational sac, it is

helpful to visualize?

6mm

Irregulary shaped

Calcified - Answer A yolk sac is considered abnormal when it's diameter exceed?

Shape? Appearance?

Methotrexate - Answer What drug can be used to treat an early unruptured ectopic

pregnancy in order to preserve fertility?

Anteflexed - Answer The most common position of a uterus is?

Interstitual

Rupture is accompanied by bleeding from the uterin arteries - Answer In a ruptured

extopic pregnancy, which section of the tube is most life threatening?

Why?

OB/GYN ARDMS Registry

Review(OB/GYN Registry Review)2023

The amnion and yolk sac - Answer The double bleb sign refers to?

8 weeks

10 weeks - Answer At how many weeks, the normal gestational sac 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?

Trophoblastic Disease - Answer 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.

Complete Hydatiform Mole - Answer Most common form of Trophoblastic Disease?

Complete - Answer A Hydatidiform Mole from trophoblastic neoplasia without the

presents of an embryo?

Partial - Answer A Hydatidiform Mole from trophoblastic neoplasia with an abnormal

embryo or fetus.

Theca Lutein Cysts - Answer Functional ovarian cysts are called?

Trophoblastic Disease - Answer Associated with:

Hydatididform Mole

Theca Lutein Cysts

Pregnancy induced hypertension

Hyperemesis gravidarum

Large for gestational age

All characteristics of?

CRL - Answer Most reliable calculation for the EDC is?

11 weeks - Answer Because of spinal segmentation, CRL begins to loose accuracy

after how many weeks?

Vitelline Duct (omphalomesenteric duct) - Answer The structure that initially

maintains a connction between the yolk sac and embryo once they diverge from

each other?

Contains and artery and a vein.

Nuchal translucency - Answer Thickening of the nuchal soft tissue during the 1st

trimester and a strong corrolation for chromosomal defects?

Shirodkar Procedure - Answer A procedure preformed to treat and incompentent

cervix. The most complicated, the suture is almost completely buried beneath the

cervical mucosa?

OB/GYN ARDMS Registry

Review(OB/GYN Registry Review)2023

McDonald Procedure - Answer A procedure preformed to treat and incompentent

cervix with a less invasive outcome using a purse string suture.

Ectopic - Answer With this type of pregnancy, the most common symptom is pain?

Interstital - Answer An ectopic pregnancy in this part of the tube is more life

threatening?

3mm - Answer Normally, nuchal translucency doesn't exceed?

Chorid Plexus - Answer This lies within the atria of the lateral ventricals bilaterally?

Lateral Ventricular Atria - Answer In ruling out hydrocephalus, where would one 1st

begin to see enlargement?

1cm in largest dimension transversely - Answer The normal measurements for the

lateral ventricla of the fetal brain are?

3 ossidication centers (2 posterior pointing toward each other, 1 anterior) - Answer

When the fetal spine is imaged transversly, the ultrasound demonstrates?

M-mode - Answer What US modality would you us to prove fetal life on a frozen

image?

Left Atrium - Answer The anatomic structure closest to the spine in a 4-chamber

heart view is?

Fetal Heart - Answer This occupies 1/3 of the chest cavity pointing toward the left

side of the fetus?

RVOT - Pulmonary Artery

LVOT - Ascending Aorta - Answer The great vessels of the heart consist of?

Foramen Ovale - Answer Communication between right and left Atria is termed?

45 degree angle to the left of midline - Answer In a normal fetus, the heart is

positioned at what angle?

Chordae Tendineae / papillary muscle - Answer A small rounded echoginic structure

withing the left ventrical of the heart is?

Coronal - Answer Which view best demonstrated the diaphram?

Transverse @ the level of 4-chamber heart

Transverse view @ level of 4-chamber heart - Answer The thoracic circumference is

measured in the?