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SEMINAR FOR OB/GYN > Ch. 23 The 1st Trimester > Flashcards

Ch. 23 The 1st Trimester Flashcards

1
Q 
What's the name of the dominant follicle prior to ovulation?
Graafian
Corpus luteum
Morula
Corpus albicans
A

Graafian

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2
Q 
Fertilization typically occurs w/in \_\_\_\_\_ after ovulation.
40 hrs
12 hrs
24 hrs
56 hrs
A

24 hrs

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3
Q

The most common site of fertilization is w/in the:

  • Isthmus of the uterine tube
  • Uterine fundus
  • Cornu of the uterine tube
  • Ampulla of the uterine tube
A

Ampulla of the uterine tube

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4
Q 
The structure created by the union of sperm and egg is the:
Blastocyst
Zygote
Morula
Ampulla
A

Zygote

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5
Q 
The trophoblastic cells produce:
Estrogen
Progesterone
FSH
hCG
A

hCG

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6
Q 
What's the stage of the conceptus that implants w/in the decidualized endometrium?
Blastocyst
Morula
Zygote
Ovum
A

Blastocyst

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7
Q

Another name for the chorionic sac is the:

  • Chorionic cavity
  • Extraembryonic coelom
  • Amniotic sac
  • Gestational sac
A

Gestational sac

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8
Q 
What structure lies w/in the extraembryonic coelom?
Gestational sac
Embryo
Yolk sac
Amnion
A

Yolk sac

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9
Q 
What hormone, produced by the corpus luteum, maintains the thickened endometrium?
Estrogen
Progesterone
hCG
LH
A

Progesterone

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10
Q

In the 1st trimester, normal hCG levels will:

  • Double every 48 hrs
  • Triple every 24 hrs
  • Double every 24 hrs
  • Double every 12 hrs
A

Double every 48 hrs

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11
Q

Compared w/ a normal IUP, the ectopic pregnancy will have a:

  • High hCG
  • Low hCG
  • Markedly elevated hCG
  • High AFP
A

Low hCG

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12
Q 
The 1st sonographically identifiable sign of pregnancy is the:
Amnion
Yolk sac
Decidual reaction
Chorionic cavity
A

Decidual reaction

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13
Q 
The 1st definitive sonographic sign of an intrauterine pregnancy is the recognition of a/an:
Yolk sac
Embryo
Decidual reaction
Gestational sac
A

Gestational sac

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14
Q 
The normal gestational sac will grow:
2mm/day
3mm/day
1cm/day
1mm/day
A

1mm/day

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15
Q 
During a 1st trimester US exam, you note a cystic structure w/in the fetal head. This most likely represents the:
Prosencephalon
Mesencephalon
Rhombencephalon
Proencephalon
A

Rhombencephalon

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16
Q

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

  • Physiologic bowel herniation
  • Pseudo-omphalocele
  • Omphalocele
  • Gastroschisis
A

Physiologic bowel herniation

17
Q

The most common pelvic mass associated w/ pregnancy is the:

  • Uterine leiomyoma
  • Dermoid cyst
  • Theca luteum cyst
  • Corpus luteum cyst
A

Corpus luteum cyst

18
Q 
All of the following are associated w/ an abnormal nuchal translucency except:
Trisomy 21
Trisomy 16
Trisomy 18
Turner syndrome
A

Trisomy 16

19
Q

The most common cause of pelvic pain w/ pregnancy is:

  • Ectopic pregnancy
  • Heterotopic pregnancy
  • Missed abortion
  • Molar pregnancy
A

Ectopic pregnancy

20
Q

The most common location of an ectopic pregnancy is the:

  • Ovary
  • Interstitial portion of the uterine tube
  • Cornual portion of the uterine tube
  • Ampullary portion of the uterine tube
A

Ampullary portion of the uterine tube

21
Q

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

  • PID
  • Assisted reproductive therapy
  • Intrauterine contraceptive device
  • Advanced paternal age
A

Advanced paternal age

22
Q 
All of the following are clinical features of an ectopic pregnancy except:
Pain
Vaginal bleeding
Shoulder pain
Adnexal ring
A

Adnexal ring

23
Q

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

  • Decidual thickening
  • Complex free fluid w/in the pelvis
  • Bilateral, multiloculated ovarian cysts
  • Complex adnexal mass separate from the ipsilateral ovary
A

Bilateral, multiloculated ovarian cysts

24
Q

All of the following are consistent w/ a hydatidiform mole except:

  • Heterogenous mass w/in the endometrium
  • Bilateral theca lutein cysts
  • Hyperemesis gravidarum
  • Low hCG
A

Low hCG

25
Q 
The most malignant form of gestational trophoblastic disease is:
Choriocarcinoma
Hydatidiform mole
Anembryonic
Hydropic villi
A

Choriocarcinoma

26
Q

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

  • Ectopic pregnancy
  • Molar pregnancy
  • Subchorionic pregnancy
  • Anembryonic gestaion
A

Subchorionic pregnancy

27
Q

All of the following would be associated w/ a lower-than-normal hCG level except:

  • Ectopic pregnancy
  • Molar pregnancy
  • Blighted ovum
  • Spontaneous abortion
A

Molar pregnancy

28
Q

All of the following are clinical findings consistent w/ a molar pregnancy except:

  • Vaginal bleeding
  • Hypertension
  • Uterine enlargement
  • Small for dates
A

Small for dates

29
Q 
Which of the following locations is most likely w/ metastatic gestational trophoblastic disease?
Rectum
Brain
Spleen
Lungs
A

Lungs

30
Q

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

  • Pseudogestational sac
  • Corpus luteum cyst
  • Adnexal ring
  • Double sac sign
A

Double sac sign

SEMINAR FOR OB/GYN (18 decks)

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