OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
The pelvic mass most commonly seen during a normal first
trimester pregnancy is -
correct answer ✅Corpus luteal cyst
Corpus luteal cyst produces -
correct answer ✅Progesterone
Corpus luteal cysts resolve by -
correct answer ✅10-12 weeks gestation
The primitive hindbrain can be seen as a cystic structure within the
embryonic head. This is called the -
correct answer ✅Rhombencephalon
The maternal side of the developing placenta is referred to as the -
correct answer ✅Decidua basalis
Up to 10 weeks gestation, the mean diameter of the normal
gestational sac should grow -
correct answer ✅1 mm per day
,OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Physiologic herniation of fetal intestine outside the fetal abdomen
should not be seen after gestational age: -
correct answer ✅12 weeks
One should. Be able to image a normal intrauterine gestational sac
transabdominally when the International Reference Preparation
level for hCG is equal to or greater than -
correct answer ✅3600 units/liter
What are indications of an ectopic pregnancy? -
correct answer ✅Free fluid in the cul-de-sac, fluid within the
endometrial cavity, adnexal mass, fluid in the right upper quadrant
in Morrison's pouch
A missed abortion is defined as -
correct answer ✅Retention of a dead conceptus for a prolonged
period, I.e. 2 months. These patients may or may not have bleeding
What are the characteristics of an abnormal early pregnancy? -
correct answer ✅Irregular sac shape, poor decidual ring, dilated
cervix, fluid around the sac
,OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Your patient is 10 weeks by good menstrual dates, but presents
with pregnancy induced hypertension. You suspect -
correct answer ✅Hydatidiform mole
Your patient has a positive pregnancy test and presents with
bleeding and cramping. What soon graphic finding would make you
suspect an inevitable abortion? -
correct answer ✅Dilated cervix
A heterotopic pregnancy is -
correct answer ✅An ectopic pregnancy with a normal intrauterine
pregnancy
To differentiate an early iup from a pseudogestational sac, it helps
to visualize the -
correct answer ✅Yolk sac
A yolk sac is considered abnormal when it's diameter exceeds -
correct answer ✅6 mm
, OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Which drug can be used to treat an early unruptured ectopic
pregnancy in order to preserve fertility -
correct answer ✅Methotrexate
In a ruptured ectopic pregnancy, which section of the Fallopian
tube is potentially the most life-threatening? -
correct answer ✅Interstitial
The "double-bleb sign" refers to the soon graphic presentation of -
correct answer ✅The amnion and yolk sac
A longitudinal image shows an intrauterine gestational sac that
occupies 1/2 of the uterine cavity. The sac size indicates that the
gestational age of the pregnancy should be -
correct answer ✅8 weeks
A patient presents with a positive pregnancy test, bleeding, and
cramping. The sonogram reveals an intrauterine gestational sac
containing an echogenic structure but no heartbeat. Measuremnt
of the structure shows it to be 11mm in length. The most likely
diagnosis is -
correct answer ✅Early pregnancy failure
Questions & Answers (Grade A+)
The pelvic mass most commonly seen during a normal first
trimester pregnancy is -
correct answer ✅Corpus luteal cyst
Corpus luteal cyst produces -
correct answer ✅Progesterone
Corpus luteal cysts resolve by -
correct answer ✅10-12 weeks gestation
The primitive hindbrain can be seen as a cystic structure within the
embryonic head. This is called the -
correct answer ✅Rhombencephalon
The maternal side of the developing placenta is referred to as the -
correct answer ✅Decidua basalis
Up to 10 weeks gestation, the mean diameter of the normal
gestational sac should grow -
correct answer ✅1 mm per day
,OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Physiologic herniation of fetal intestine outside the fetal abdomen
should not be seen after gestational age: -
correct answer ✅12 weeks
One should. Be able to image a normal intrauterine gestational sac
transabdominally when the International Reference Preparation
level for hCG is equal to or greater than -
correct answer ✅3600 units/liter
What are indications of an ectopic pregnancy? -
correct answer ✅Free fluid in the cul-de-sac, fluid within the
endometrial cavity, adnexal mass, fluid in the right upper quadrant
in Morrison's pouch
A missed abortion is defined as -
correct answer ✅Retention of a dead conceptus for a prolonged
period, I.e. 2 months. These patients may or may not have bleeding
What are the characteristics of an abnormal early pregnancy? -
correct answer ✅Irregular sac shape, poor decidual ring, dilated
cervix, fluid around the sac
,OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Your patient is 10 weeks by good menstrual dates, but presents
with pregnancy induced hypertension. You suspect -
correct answer ✅Hydatidiform mole
Your patient has a positive pregnancy test and presents with
bleeding and cramping. What soon graphic finding would make you
suspect an inevitable abortion? -
correct answer ✅Dilated cervix
A heterotopic pregnancy is -
correct answer ✅An ectopic pregnancy with a normal intrauterine
pregnancy
To differentiate an early iup from a pseudogestational sac, it helps
to visualize the -
correct answer ✅Yolk sac
A yolk sac is considered abnormal when it's diameter exceeds -
correct answer ✅6 mm
, OB/Gyn Ultrasound Review Exam
Questions & Answers (Grade A+)
Which drug can be used to treat an early unruptured ectopic
pregnancy in order to preserve fertility -
correct answer ✅Methotrexate
In a ruptured ectopic pregnancy, which section of the Fallopian
tube is potentially the most life-threatening? -
correct answer ✅Interstitial
The "double-bleb sign" refers to the soon graphic presentation of -
correct answer ✅The amnion and yolk sac
A longitudinal image shows an intrauterine gestational sac that
occupies 1/2 of the uterine cavity. The sac size indicates that the
gestational age of the pregnancy should be -
correct answer ✅8 weeks
A patient presents with a positive pregnancy test, bleeding, and
cramping. The sonogram reveals an intrauterine gestational sac
containing an echogenic structure but no heartbeat. Measuremnt
of the structure shows it to be 11mm in length. The most likely
diagnosis is -
correct answer ✅Early pregnancy failure
