Registry Review- OB/GYN Quiz 2

Krukenberg tumors are the result of

Metastatic disease

This image likely represents

Endometrioma

Leiomyosarcoma of the uterus denotes

The malignant counterpart of a fibroid

Pain in the right upper quadrant resulting from infection tracking up to the right paracolic gutter and locating in the subhepatic and parahepatic spaces is called

Fitz-Hugh–Curtis syndrome

Anechoic masses found within the vaginal canal most likely represent

Gartner duct cysts

The trophoblastic cells produce

HCG

Chorionic villi are more prolific

Near the implantation site

The cystic structure seen in the embryonic brain most likely represents

Rhombencephalon

Normal human chorionic gonadotropin (hCG) levels should

Double every 30–48 hours

In the first trimester, the stomach and bladder should be visualized by

12 weeks

Conceptual age is determined from the last menstrual period

False

The first identifiable structure within the gestational sac would be

Yolk sac

The basic unit of the chorion is the

Villi

The primary yolk sac is seen by 5 weeks’ gestation

False

In a first trimester scan, a nuchal translucency measurement of 2 mm should be considered abnormal

False

An ectopic pregnancy is also called

Any pregnancy that is not in the uterus

Of the following, the most accurate means of dating a gestation is

Crown–rump length at 7 weeks

All of the following are associated with poor outcome pregnancy except

Double decidual sign

The dorsal aspect of the yolk sac becomes part of the

Hindgut

With a right-sided herniation, the stomach will typically be

Shifted to the right and below the diaphragm

The developing intestines become too big for the abdomen and herniate into the cord by gestational week

8

The inner cell mass becomes the placenta

False

When the blastocyst is completely embedded in the endometrium and the decidua closes over, it is referred to as the

Decidua capsularis

The CRL as a measurement is useful until

12 weeks

Implantation of the blastocyst occurs on day 35 of conception

False

The measurement of the cisterna magna should not exceed

10 mm

The diaphragm separates the pelvis from the abdomen

False

The purpose of the fetal facial profile is to

Show symmetry between the forehead, nose, and lips

Parity refers to the

Number of births

Insertion of which structure entering at the normal level will effectively exclude an omphalocele?

Umbilical artery

The umbilical cord grows as a result of fetal movement and growth

True

Which of the following measurements determines cervical incompetence?

Length

Which muscle of the true pelvis arises from the sacrum between the pelvic sacral foramina and the gluteal surface of the ilium?

Piriformis

Interocular distance is an excellent age predictor and is more strongly related to BPD gestational age than the other measurements

False

Late registrant, fetal lie, and follow-up are all reasons for

Third trimester ultrasound

The second trimester typically refers to

13–26 weeks

What is the fetal presentation when the fetal buttocks are closest to the cervix?

Frank breech

The arrow is identifying which of the following structures: spleen, kidney, diaphragm, adrenal gland, or small intestines

Adrenal gland

Measurement of the nuchal fold is accurate up to

20 weeks

Translabial imaging uses which of the following sonographic landmarks?

Urinary bladder and vagina

Which structure is not demonstrated in the BPD view?

Cisterna magna

A double endometrial canal, cervix, and uterus describes which congenital anomaly?

Uterus didelphys

A genetic amniocentesis is routinely performed between which gestational weeks?

15–20 weeks

Fetal kidneys may be identified as early as

12 weeks

Thalami, falx cerebri, and CSP are all anatomic landmarks for

BPD

A patient undergoing ovulation induction therapy presents with a history of increased abdominal girth. This transverse sonogram of the pelvis demonstrates

Ovarian hyperstimulation syndrome

The ovarian cyst associated with gestational trophoblastic disease is

Corpus luteum cyst

Implantation of the embryo occurs how many days after fertilization?

5–7 days

The most malignant form of gestational trophoblastic disease is

Choriocarcinoma

The liver, biliary tract, pancreas, and part of the duodenum are formed by the

Foregut

A blighted ovum may also be referred to as

None of the above

A fertilized egg that is divided into 16 cells is called

Morula

During the first trimester, the corpus luteum cyst secretes

Progesterone into the bloodstream

The first organ system to function in the embryo is the

Cardiovascular system

Which of the following lines the chorion and contains the fetus?

Amnion

The amnion will usually fuse to the chorion by

16 weeks

The thick hyperechoic ring surrounding an early intrauterine pregnancy is composed of

Decidua perialaris and decidua capsularis

The image displays

Normal amnion

All of the following are consistent with a hydatidiform mole except

Lower hCG

Preparing and maintaining the endometrium for implantation is a function of

Progesterone

Cornual pregnancies will usually

Rupture between 12–16 weeks

Gestational age is determined from the day of conception

False

In the second trimester scan, a dilated renal pelvis measuring 3 mm is

Completely normal

The fetal presentation is determined upon the fetal part closest to

Internal os of the cervix

The triple screen typically includes

MSAFP, estriol, and HCG

The term fetus is used from

10 weeks to delivery

Something that is idiopathic is said to be

From an unknown cause

A sagittal view of the fetal torso will demonstrate anatomic relationships of the

Heart, diaphragm, stomach, kidneys, and bladder

The normal position of the heart is

Apex pointing 45–50° to the left with the right ventricle closest to the chest wall

All of the following may be visualized at the correct level of the head circumference except

Falx cerebri

In this image of the fetal brain, the number 8 indicates

Third ventricle

A succenturiate lobe of the placenta refers to

Accessory lobe

Generally, the fetal bladder fills and empties every

Hour

Which are the two muscles that form the pelvic diaphragm?

Levator ani and coccygeus

The cisterna magna is located

None of the above

The anechoic space found along the posterior aspect of the fetal neck is

Nuchal translucency

Which of the following are ovarian functions?

All of the above (produce estrogen, progesterone, and release an egg)

A placenta is considered low-lying if it measures less than

2 cm from the internal os

All of the following are produced by the placenta except

MSAFP