OB/GYN Ch.23 Review

The normal gestational sac will grow:

1 mm per day

Fertilization typically occurs within how many hours after ovulation?

24 hours

All of the following are clinical features of an ectopic pregnancy except:

Adnexal ring

All of he following are contributing factors for an ectopic pregnancy except:

Advanced paternal age

The most common site of fertilization is within the:

Ampulla of the uterine tube

The most common location of an ectopic pregnancy is the:

Ampullary portion of the uterine tube

All of the following are sonographic findings consistent with ectopic pregnancy except:

Bilateral, multiloculated ovarian cysts

What is the stage of the conceptus that implants within the decidualized endometrium?

Blastocyst

The most malignant form of gestational trophoblastic disease is:

Choriocarcinoma

The most common pelvic mass associated with pregnancy is the:

Corpus luteum cyst

The first sonographically identifiable sign of pregnancy is the:

Decidual reaction

In the first trimester, normal hCG levels will:

Double every 48 hours

All of the following may be sonographic findings in the presence of an ectopic pregnancy except:

Double sac sign

The most common cause of pelvic pain with pregnancy is:

Ectopic pregnancy

Another name for the chorionic sac is the:

Gestational sac

The first definitive sonographic sign of an IUP is the recognition of a/an:

Gestational sac

What is the name of the dominant follicle prior to ovulation?

Graafian

The trophoblastic cells produce:

Hcg

All of the following are consistent with a hydatidiform mole except:

Low hCG

Compared with a normal IUP, the ectopic pregnancy will have a:

Low hCG

which of the following locations is most likely with metastatic gestation trophoblastic disease?

Lungs

All of the following would be associated with a lower-than-normal human chorionic gonadotropin level except:

Molar pregnancy

The herniation of the embryologic bowel into the base of the umbilical cord at 9 weeks is referred to as:

Physiologic bowel herniation

What hormone, produced by the corpus luteum, maintains the thickened endometrium?

Progesterone

During a first-trimester ultrasound examination, you note a cystic structure within the fetal head. This most likely represents:

Rhombencephalon

All of the following are clinical findings consistent with a molar pregnancy except?

Small for dates

A sonographic examination was performed on a pregnancy patient who complained of vaginal bleeding. Sonographically, a crescent-shaped anechoic area is noted adjacent to the gestational sac. The gestational sac contained a 6-week single live intrauterine pregnancy. What is the most likely diagnosis?

Subchorionic hemorrhage

All of the following are associated with an abnormal nuchal translucency except:

Trisomy 16

What structure lies within the extra embryonic coelom?

Yolk sac

The structure created by the union of sperm and egg is the:

Zygote