OB/GYN ARDMS Registry Review (2025)
comprehensive questions and verified
answers ( detailed & elaborated) ACTUAL
EXAM 2025 TEST
📌📌
The primitive hindbrain can be seen as a cystic structure with in the embryonic
head? - - Rhombencephalon
The maternal side of the developing placenta is referred to as the? - 📌📌-
Decidua Basalis
📌📌
Up to 10 weeks gestational age, the mean diameter of the normal gestational sac
should grow? - - 1 mm/day
📌📌
Physicologic hernation of fetal intestines outside the abdomen should not be
seen after what gestational age? - - 12 weeks
CRL measures > 45mm
The base of the umbilical cord should not exceed? - 📌📌- 7 mm
One should be able to transabdominally image a gestational sac when the IRC
📌📌
level for hCG is = or >?
Transvaginally? - - 3600 units/liter
2000 units/liter
📌📌
Patient is 10 weeks by menstrual dates with pregnancy induced hypertension.
You suspect? - - Hydatiform Mole
Almost always pathonomonic of a molar pregnancy in the 1st trimester? - 📌📌-
Preeclamsia
📌📌
Pregnant patient presents with bledding and cramping. What would be suspect of
an inevitable abortion? - - Dilated cervix
An ectopic with a normal IUP? - 📌📌- Heteroectopic pregnancy
📌📌
To differentiate an early IUP from a pseudogestational sac, it is helpful to
visualize? - - Yolk Sac
📌📌
A yolk sac is considered abnormal when it's diameter exceed? Shape?
Appearance? - - 6mm
,The most common position of a uterus is? - 📌📌- Anteflexed
In a ruptured extopic pregnancy, which section of the tube is most life
📌📌
threatening?
Why? - - Interstitual
Rupture is accompanied by bleeding from the uterin arteries
The double bleb sign refers to? - 📌📌- The amnion and yolk sac
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? - -
8 weeks
10 weeks
📌📌
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. - -
Trophoblastic Disease
Most common form of Trophoblastic Disease? - 📌📌- Complete Hydatiform
Mole
📌📌
A Hydatidiform Mole from trophoblastic neoplasia without the presents of an
embryo? - - Complete
📌📌
A Hydatidiform Mole from trophoblastic neoplasia with an abnormal embryo or
fetus. - - Partial
Functional ovarian cysts are called? - 📌📌- Theca Lutein Cysts
Associated with:
Hydatididform Mole
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
📌📌
Large for gestational age
All characteristics of? - - Trophoblastic Disease
Most reliable calculation for the EDC is? - 📌📌- CRL
📌📌
Because of spinal segmentation, CRL begins to loose accuracy after how many
weeks? - - 11 weeks
The structure that initially maintains a connction between the yolk sac and
, 📌📌
A procedure preformed to treat and incompentent cervix. The most complicated,
the suture is almost completely buried beneath the cervical mucosa? - -
Shirodkar Procedure
📌📌
A procedure preformed to treat and incompentent cervix with a less invasive
outcome using a purse string suture. - - McDonald Procedure
With this type of pregnancy, the most common symptom is pain? - 📌📌- Ectopic
An ectopic pregnancy in this part of the tube is more life threatening? - 📌📌-
Interstital
Normally, nuchal translucency doesn't exceed? - 📌📌- 3mm
This lies within the atria of the lateral ventricals bilaterally? - 📌📌- Chorid Plexus
📌📌
In ruling out hydrocephalus, where would one 1st begin to see enlargement? -
- Lateral Ventricular Atria
The normal measurements for the lateral ventricla of the fetal brain are? - 📌📌-
1cm in largest dimension transversely
📌📌
When the fetal spine is imaged transversly, the ultrasound demonstrates? -
- 3 ossidication centers (2 posterior pointing toward each other, 1 anterior)
What US modality would you us to prove fetal life on a frozen image? - 📌📌-
M-mode
📌📌
The anatomic structure closest to the spine in a 4-chamber heart view is? -
- Left Atrium
📌📌
This occupies 1/3 of the chest cavity pointing toward the left side of the fetus? -
- Fetal Heart
The great vessels of the heart consist of? - 📌📌- RVOT - Pulmonary Artery
LVOT - Ascending Aorta
Communication between right and left Atria is termed? - 📌📌- Foramen Ovale
In a normal fetus, the heart is positioned at what angle? - 📌📌- 45 degree angle
to the left of midline
📌📌
A small rounded echoginic structure withing the left ventrical of the heart is? -
- Chordae Tendineae / papillary muscle
comprehensive questions and verified
answers ( detailed & elaborated) ACTUAL
EXAM 2025 TEST
📌📌
The primitive hindbrain can be seen as a cystic structure with in the embryonic
head? - - Rhombencephalon
The maternal side of the developing placenta is referred to as the? - 📌📌-
Decidua Basalis
📌📌
Up to 10 weeks gestational age, the mean diameter of the normal gestational sac
should grow? - - 1 mm/day
📌📌
Physicologic hernation of fetal intestines outside the abdomen should not be
seen after what gestational age? - - 12 weeks
CRL measures > 45mm
The base of the umbilical cord should not exceed? - 📌📌- 7 mm
One should be able to transabdominally image a gestational sac when the IRC
📌📌
level for hCG is = or >?
Transvaginally? - - 3600 units/liter
2000 units/liter
📌📌
Patient is 10 weeks by menstrual dates with pregnancy induced hypertension.
You suspect? - - Hydatiform Mole
Almost always pathonomonic of a molar pregnancy in the 1st trimester? - 📌📌-
Preeclamsia
📌📌
Pregnant patient presents with bledding and cramping. What would be suspect of
an inevitable abortion? - - Dilated cervix
An ectopic with a normal IUP? - 📌📌- Heteroectopic pregnancy
📌📌
To differentiate an early IUP from a pseudogestational sac, it is helpful to
visualize? - - Yolk Sac
📌📌
A yolk sac is considered abnormal when it's diameter exceed? Shape?
Appearance? - - 6mm
,The most common position of a uterus is? - 📌📌- Anteflexed
In a ruptured extopic pregnancy, which section of the tube is most life
📌📌
threatening?
Why? - - Interstitual
Rupture is accompanied by bleeding from the uterin arteries
The double bleb sign refers to? - 📌📌- The amnion and yolk sac
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? - -
8 weeks
10 weeks
📌📌
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. - -
Trophoblastic Disease
Most common form of Trophoblastic Disease? - 📌📌- Complete Hydatiform
Mole
📌📌
A Hydatidiform Mole from trophoblastic neoplasia without the presents of an
embryo? - - Complete
📌📌
A Hydatidiform Mole from trophoblastic neoplasia with an abnormal embryo or
fetus. - - Partial
Functional ovarian cysts are called? - 📌📌- Theca Lutein Cysts
Associated with:
Hydatididform Mole
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
📌📌
Large for gestational age
All characteristics of? - - Trophoblastic Disease
Most reliable calculation for the EDC is? - 📌📌- CRL
📌📌
Because of spinal segmentation, CRL begins to loose accuracy after how many
weeks? - - 11 weeks
The structure that initially maintains a connction between the yolk sac and
, 📌📌
A procedure preformed to treat and incompentent cervix. The most complicated,
the suture is almost completely buried beneath the cervical mucosa? - -
Shirodkar Procedure
📌📌
A procedure preformed to treat and incompentent cervix with a less invasive
outcome using a purse string suture. - - McDonald Procedure
With this type of pregnancy, the most common symptom is pain? - 📌📌- Ectopic
An ectopic pregnancy in this part of the tube is more life threatening? - 📌📌-
Interstital
Normally, nuchal translucency doesn't exceed? - 📌📌- 3mm
This lies within the atria of the lateral ventricals bilaterally? - 📌📌- Chorid Plexus
📌📌
In ruling out hydrocephalus, where would one 1st begin to see enlargement? -
- Lateral Ventricular Atria
The normal measurements for the lateral ventricla of the fetal brain are? - 📌📌-
1cm in largest dimension transversely
📌📌
When the fetal spine is imaged transversly, the ultrasound demonstrates? -
- 3 ossidication centers (2 posterior pointing toward each other, 1 anterior)
What US modality would you us to prove fetal life on a frozen image? - 📌📌-
M-mode
📌📌
The anatomic structure closest to the spine in a 4-chamber heart view is? -
- Left Atrium
📌📌
This occupies 1/3 of the chest cavity pointing toward the left side of the fetus? -
- Fetal Heart
The great vessels of the heart consist of? - 📌📌- RVOT - Pulmonary Artery
LVOT - Ascending Aorta
Communication between right and left Atria is termed? - 📌📌- Foramen Ovale
In a normal fetus, the heart is positioned at what angle? - 📌📌- 45 degree angle
to the left of midline
📌📌
A small rounded echoginic structure withing the left ventrical of the heart is? -
- Chordae Tendineae / papillary muscle
