2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
OB/GYN ARDMS Registry Review (2025)
comprehensive questions and verified answers (
detailed & elaborated) ACTUAL EXAM 2025
TEST!!
Save
Terms in this set (425)
The primitive hindbrain can be seen as a cystic
Rhombencephalon
structure with in the embryonic head?
The maternal side of the developing placenta is
Decidua Basalis
referred to as the?
Up to 10 weeks gestational age, the mean diameter
1 mm/day
of the normal gestational sac should grow?
Physicologic hernation of fetal intestines outside the
12 weeks
abdomen should not be seen after what gestational
CRL measures > 45mm
age?
7 mm The base of the umbilical cord should not exceed?
One should be able to transabdominally image a
3600 units/liter
gestational sac when the IRC level for hCG is = or >?
2000 units/liter
Transvaginally?
Patient is 10 weeks by menstrual dates with
Hydatiform Mole
pregnancy induced hypertension. You suspect?
Almost always pathonomonic of a molar pregnancy
Preeclamsia
in the 1st trimester?
Pregnant patient presents with bledding and
Dilated cervix cramping. What would be suspect of an inevitable
abortion?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 1/34
,2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
Heteroectopic An ectopic with a normal IUP?
pregnancy
To differentiate an early IUP from a
Yolk Sac
pseudogestational sac, it is helpful to visualize?
6mm A yolk sac is considered abnormal when it's
Irregulary shaped diameter exceed? Shape? Appearance?
Calcified
What drug can be used to treat an early unruptured
Methotrexate
ectopic pregnancy in order to preserve fertility?
Anteflexed The most common position of a uterus is?
Interstitual In a ruptured extopic pregnancy, which section of
Rupture is accompanied the tube is most life threatening?
by bleeding from the Why?
uterin arteries
The amnion and yolk sac The double bleb sign refers to?
At how many weeks, the normal gestational sac
should occupy 1/2 of the uterine cavity and show a
8 weeks
yolk sac, embryo and heart beat?
10 weeks
At how many weeks will it fill the uterine cavity with
a well defined fetus?
1. A group of rare tumors that involve abnormal
Trophoblastic Disease growth of cells inside the uterus. They start in cells
that would normaly develope into the placenta.
Complete Hydatiform Most common form of Trophoblastic Disease?
Mole
A Hydatidiform Mole from trophoblastic neoplasia
Complete
without the presents of an embryo?
A Hydatidiform Mole from trophoblastic neoplasia
Partial
with an abnormal embryo or fetus.
Theca Lutein Cysts Functional ovarian cysts are called?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 2/34
,2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
Associated with:
Hydatididform Mole
Theca Lutein Cysts
Trophoblastic Disease Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
CRL Most reliable calculation for the EDC is?
Because of spinal segmentation, CRL begins to
11 weeks
loose accuracy after how many weeks?
The structure that initially maintains a connction
Vitelline Duct
between the yolk sac and embryo once they
(omphalomesenteric
diverge from each other?
duct)
Contains and artery and a vein.
Thickening of the nuchal soft tissue during the 1st
Nuchal translucency trimester and a strong corrolation for chromosomal
defects?
A procedure preformed to treat and incompentent
Shirodkar Procedure cervix. The most complicated, the suture is almost
completely buried beneath the cervical mucosa?
A procedure preformed to treat and incompentent
McDonald Procedure cervix with a less invasive outcome using a purse
string suture.
With this type of pregnancy, the most common
Ectopic
symptom is pain?
An ectopic pregnancy in this part of the tube is
Interstital
more life threatening?
3mm Normally, nuchal translucency doesn't exceed?
This lies within the atria of the lateral ventricals
Chorid Plexus
bilaterally?
In ruling out hydrocephalus, where would one 1st
Lateral Ventricular Atria
begin to see enlargement?
1cm in largest dimension The normal measurements for the lateral ventricla of
transversely the fetal brain are?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 3/34
, 2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
3 ossidication centers (2 When the fetal spine is imaged transversly, the
posterior pointing toward ultrasound demonstrates?
each other, 1 anterior)
What US modality would you us to prove fetal life
M-mode
on a frozen image?
The anatomic structure closest to the spine in a 4-
Left Atrium
chamber heart view is?
This occupies 1/3 of the chest cavity pointing toward
Fetal Heart
the left side of the fetus?
RVOT - Pulmonary Artery The great vessels of the heart consist of?
LVOT - Ascending Aorta
Communication between right and left Atria is
Foramen Ovale
termed?
45 degree angle to the In a normal fetus, the heart is positioned at what
left of midline angle?
Chordae Tendineae / A small rounded echoginic structure withing the left
papillary muscle ventrical of the heart is?
Which view best demonstrated the diaphram?
Coronal
Transverse @ the level of 4-chamber heart
Transverse view @ level The thoracic circumference is measured in the?
of 4-chamber heart
The candy-cane pulsating vessel imaged somewhat
Aortic Arch
to the left of the spine in longitudinal is?
The fluid filled stomach should always be seen in
Esophageal Artesia the upper LT quadrant. If not seen, you should
suspect?
The esophagus does not properly develop or is
Esophagel Atresia
missing?
At what gestational age is the amniotic fluid volume
12-13 weeks and fluid in the fetal bladder almost entirely due to
functioning kidneys?
The fetal bladder should fill and empty approximatly
30-45 mins.
every?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 4/34
OB/GYN ARDMS Registry Review (2025)
comprehensive questions and verified answers (
detailed & elaborated) ACTUAL EXAM 2025
TEST!!
Save
Terms in this set (425)
The primitive hindbrain can be seen as a cystic
Rhombencephalon
structure with in the embryonic head?
The maternal side of the developing placenta is
Decidua Basalis
referred to as the?
Up to 10 weeks gestational age, the mean diameter
1 mm/day
of the normal gestational sac should grow?
Physicologic hernation of fetal intestines outside the
12 weeks
abdomen should not be seen after what gestational
CRL measures > 45mm
age?
7 mm The base of the umbilical cord should not exceed?
One should be able to transabdominally image a
3600 units/liter
gestational sac when the IRC level for hCG is = or >?
2000 units/liter
Transvaginally?
Patient is 10 weeks by menstrual dates with
Hydatiform Mole
pregnancy induced hypertension. You suspect?
Almost always pathonomonic of a molar pregnancy
Preeclamsia
in the 1st trimester?
Pregnant patient presents with bledding and
Dilated cervix cramping. What would be suspect of an inevitable
abortion?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 1/34
,2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
Heteroectopic An ectopic with a normal IUP?
pregnancy
To differentiate an early IUP from a
Yolk Sac
pseudogestational sac, it is helpful to visualize?
6mm A yolk sac is considered abnormal when it's
Irregulary shaped diameter exceed? Shape? Appearance?
Calcified
What drug can be used to treat an early unruptured
Methotrexate
ectopic pregnancy in order to preserve fertility?
Anteflexed The most common position of a uterus is?
Interstitual In a ruptured extopic pregnancy, which section of
Rupture is accompanied the tube is most life threatening?
by bleeding from the Why?
uterin arteries
The amnion and yolk sac The double bleb sign refers to?
At how many weeks, the normal gestational sac
should occupy 1/2 of the uterine cavity and show a
8 weeks
yolk sac, embryo and heart beat?
10 weeks
At how many weeks will it fill the uterine cavity with
a well defined fetus?
1. A group of rare tumors that involve abnormal
Trophoblastic Disease growth of cells inside the uterus. They start in cells
that would normaly develope into the placenta.
Complete Hydatiform Most common form of Trophoblastic Disease?
Mole
A Hydatidiform Mole from trophoblastic neoplasia
Complete
without the presents of an embryo?
A Hydatidiform Mole from trophoblastic neoplasia
Partial
with an abnormal embryo or fetus.
Theca Lutein Cysts Functional ovarian cysts are called?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 2/34
,2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
Associated with:
Hydatididform Mole
Theca Lutein Cysts
Trophoblastic Disease Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
CRL Most reliable calculation for the EDC is?
Because of spinal segmentation, CRL begins to
11 weeks
loose accuracy after how many weeks?
The structure that initially maintains a connction
Vitelline Duct
between the yolk sac and embryo once they
(omphalomesenteric
diverge from each other?
duct)
Contains and artery and a vein.
Thickening of the nuchal soft tissue during the 1st
Nuchal translucency trimester and a strong corrolation for chromosomal
defects?
A procedure preformed to treat and incompentent
Shirodkar Procedure cervix. The most complicated, the suture is almost
completely buried beneath the cervical mucosa?
A procedure preformed to treat and incompentent
McDonald Procedure cervix with a less invasive outcome using a purse
string suture.
With this type of pregnancy, the most common
Ectopic
symptom is pain?
An ectopic pregnancy in this part of the tube is
Interstital
more life threatening?
3mm Normally, nuchal translucency doesn't exceed?
This lies within the atria of the lateral ventricals
Chorid Plexus
bilaterally?
In ruling out hydrocephalus, where would one 1st
Lateral Ventricular Atria
begin to see enlargement?
1cm in largest dimension The normal measurements for the lateral ventricla of
transversely the fetal brain are?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 3/34
, 2/14/25, 7:40 AM OB/GYN ARDMS Registry Review (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EX…
3 ossidication centers (2 When the fetal spine is imaged transversly, the
posterior pointing toward ultrasound demonstrates?
each other, 1 anterior)
What US modality would you us to prove fetal life
M-mode
on a frozen image?
The anatomic structure closest to the spine in a 4-
Left Atrium
chamber heart view is?
This occupies 1/3 of the chest cavity pointing toward
Fetal Heart
the left side of the fetus?
RVOT - Pulmonary Artery The great vessels of the heart consist of?
LVOT - Ascending Aorta
Communication between right and left Atria is
Foramen Ovale
termed?
45 degree angle to the In a normal fetus, the heart is positioned at what
left of midline angle?
Chordae Tendineae / A small rounded echoginic structure withing the left
papillary muscle ventrical of the heart is?
Which view best demonstrated the diaphram?
Coronal
Transverse @ the level of 4-chamber heart
Transverse view @ level The thoracic circumference is measured in the?
of 4-chamber heart
The candy-cane pulsating vessel imaged somewhat
Aortic Arch
to the left of the spine in longitudinal is?
The fluid filled stomach should always be seen in
Esophageal Artesia the upper LT quadrant. If not seen, you should
suspect?
The esophagus does not properly develop or is
Esophagel Atresia
missing?
At what gestational age is the amniotic fluid volume
12-13 weeks and fluid in the fetal bladder almost entirely due to
functioning kidneys?
The fetal bladder should fill and empty approximatly
30-45 mins.
every?
https://quizlet.com/1005921745/obgyn-ardms-registry-review-2025-comprehensive-questions-and-verified-answers-detailed-elaborated-actual-e… 4/34
