Deck 50: First-Trimester Complications

Question 1

Cranial anatomy is routinely visualized after how many gestational weeks?

A) 8 to 10
B) 9 to 11
C) 10 to 12
D) 12 to 14

Answer 1

D

Question 2

Which one of the following abnormalities is most commonly associated with cystic hygroma?

A) Spina bifida
B) Beckwith-Wiedemann syndrome
C) Turner syndrome
D) Dandy-Walker malformation

Answer 2

C

Question 3

Corpus luteum cysts regress and are typically not seen beyond _________ weeks.

A) 10 to 12
B) 12 to 14
C) 16 to 18
D) 18 to 20

Answer 3

C

Question 4

A partial absence of the cranium is called which one of the following abnormalities?

A) Iniencephaly
B) Anencephaly
C) Acrania
D) Osteogenesis imperfecta

Question 5

Embryos with heart rates below ______ beats per minute (bpm) generally have a poor prognosis.

A) 90
B) 100
C) 105
D) 110

Question 6

The best sonographic correlation in the diagnosis of an ectopic pregnancy is the combination of no intrauterine pregnancy and which one of the following?

A) Adnexal mass
B) Complex endometrium
C) Ovarian mass
D) Anechoic cul-de-sac fluid

Question 7

Which one of the following is the most common pelvic mass seen in a first-trimester pregnancy?

A) Ovarian dermoid
B) Ectopic pregnancy
C) Fibroid
D) Corpus luteum cyst

Question 8

The increased risk of massive hemorrhage in an ectopic pregnancy is located:

A) within the adnexa.
B) within the peritoneum.
C) near the uterine cornua.
D) within the ovary.

Question 9

The most common cause of vaginal bleeding in the first trimester is which one of the following?

A) Placenta previa
B) Subchorionic hemorrhage
C) Ectopic pregnancy
D) Missed abortion

Question 10

Which one of the following is the most frequent sonographic finding in an ectopic pregnancy?

A) Extrauterine gestation with heart motion
B) Adnexal mass
C) Echogenic free fluid in the Morison's pouch
D) Pseudogestational sac

Question 11

An ectopic pregnancy most commonly occurs in which one of the following structures?

A) Ovary
B) Fallopian tube
C) Cornua
D) Cervix

Question 12

Transvaginally, an embryo with cardiac activity should be identified when the gestational sac measures ____________ millimeters (mm).

A) 5 to 8
B) 8 to 12
C) 10 to 15
D) 16 to 20

Question 13

The most potentially life-threatening ectopic gestation is which one of the following?

A) Cervical
B) Interstitial
C) Ovarian
D) Peritoneal

Question 14

An ovum without an embryo is known as which one of the following?

A) Anembryonic pregnancy
B) Diamniotic pregnancy
C) Ectopic pregnancy
D) Pseudogestational sac

Question 15

A congenital fissure that remains open past 12 weeks in the wall of the abdomen just to the right of the umbilical cord is called which one of the following?

A) Umbilical hernia
B) Gastroschisis
C) Omphalocele
D) Midgut herniation

Question 16

An increased risk of a complete hysterectomy is present when an ectopic pregnancy is located in which one of the following structures?

A) Peritoneum
B) Cervix
C) Fallopian tube
D) Adnexa

Question 17

Multiple tiny clusters of grapelike echoes within the uterine cavity best describes which one of the following?

A) Pseudogestational sacs
B) Ectopic pregnancy
C) Incomplete abortion
D) Gestational trophoblastic disease

Question 18

Findings in an ectopic pregnancy include all of the following except:

A) no evidence of intrauterine pregnancy.
B) adnexal mass.
C) intraperitoneal fluid.
D) normal increase in serum beta hCG levels.

Question 19

Which one of the following statements about a pseudogestational sac is false?

A) It does not contain a yolk sac.
B) It contains low-level internal echoes.
C) It is eccentrically located within the endometrium.
D) It demonstrates a high resistive spectral waveform.

Question 20

A hemorrhage located between the gestational sac and the myometrium represents which one of the following conditions?

A) Placenta abruption
B) Subchorionic hemorrhage
C) Placental hematoma
D) Placental lake

Question 21

A heterotopic pregnancy is which one of the following?

A) A form of abdominal pregnancy
B) Simultaneous intrauterine and extrauterine pregnancies
C) Twin intrauterine pregnancy with only one viable embryo
D) Bilateral ectopic pregnancies

Question 22

The serum level of beta hCG is __________________ with gestational trophoblastic disease.

A) dramatically elevated
B) mildly elevated
C) mildly decreased
D) dramatically decreased

Question 23

A gestational sac in which the embryo fails to develop is described as which one of the following?

A) Blighted ovum
B) Missed abortion
C) Anembryonic pregnancy
D) Blighted ovum or anembryonic pregnancy

Question 24

Nuchal translucency must be measured between _____ weeks and _____ weeks, _____ days.

A) 8; 10; 6
B) 10; 12; 6
C) 11; 13; 6
D) 12; 13; 6