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SEMINAR FOR OB/GYN > Ch. 32 The Fetal Face and Neck > Flashcards

Ch. 32 The Fetal Face and Neck Flashcards

1
Q 
The maternal contribution to the placenta is the:
Chorionic vera
Decidua vera
Decidua basalis
Chorion frondosum
A

Decidua basalis

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2
Q

The placenta releases _________ to maintain the corpus luteum.

  • hCG
  • FSH
  • LH
  • Gonadotropin-stimulating hormone
A

hCG

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3
Q 
An anechoic mass is noted w/in the umbilical cord during a routine sonographic exam. What's the most likely diagnosis?
Hemangioma
Vasa previa
Chorioangioma
Allantoic cyst
A

Allantoic cyst

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4
Q 
Mothers w/ pregestational diabetes, as opposed to gestational diabetes, have an increased risk of a fetus w/:
Neural tube defects
Proteinuria
TORCH
DES
A

Neural tube defects

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5
Q

A succenturiate lobe of the placenta refers to as:

  • Bilobed placental lobe
  • Circumvallate placental lobe
  • Accessory lobe
  • Circummarginate placental lobe
A

Accessory lobe

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6
Q 
Pools of maternal blood noted w/in the placental substance are referred to as:
Accessory lobes
Decidual casts
Chorioangiomas
Maternal lakes
A

Maternal lakes

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7
Q 
The fetal contribution to the placenta is the:
Chorionic vera
Decidua vera
Decidua basalis
Chorion frondosum
A

Chorion frondosum

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8
Q 
The placenta is considered too thick when it measures:
>4mm
>4cm
>8mm
>3.5cm
A

> 4cm

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9
Q 
All of the following are associated w/ a thin placenta except:
Preeclampsia
IUGR
Fetal hydrops
Long-standing diabetes
A

Fetal hydrops

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10
Q

When the placental edge extends into the lower uterine segment but ends more than 2 cm away from the internal os, its referred to as:

  • Low-lying previa
  • Marginal previa
  • Partial previa
  • Total previa
A

Low-lying previa

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11
Q

One of the most common causes of painless vaginal bleeding in the 2nd and 3rd trimester is:

  • Spontaneous abortion
  • Abruptio placentae
  • Placenta previa
  • Placenta accreta
A

Placenta previa

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12
Q

All of the following are associated w/ a thick placenta except:

  • Fetal infections
  • Rh isoimmunization
  • Placental insufficiency
  • Multiple gestations
A

Placental insufficiency

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13
Q

Placenta accreta denotes:

  • The abnormal attachment of the placenta to the myometrium
  • The premature separation of the placenta from the uterine wall
  • The invasion of the placenta into the myometrium
  • The condition of having the fetal vessel rest over the internal os
A

The abnormal attachment of the placenta to the myometrium

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14
Q 
Doppler sonography reveals vascular structures coursing over the internal os of the cervix. This finding is indicative of:
Vasa previa
Placenta previa
Placenta increta
Abruptio placentae
A

Vasa previa

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15
Q

All of the following are clinical features of placental abruption except:

  • Vaginal bleeding
  • Uterine tenderness
  • Abdominal pain
  • Funneling of the cervix
A

Funneling of the cervix

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16
Q

All of the following are associated w/ oligohydramnios except:

  • Bilateral renal agenesis
  • Infantile polycystic kidney disease
  • Premature rupture of membranes
  • Duodenal atresia
A

Duodenal atresia

17
Q 
The most common placental tumor is the:
Choriocarcinoma
Maternal lake
Chorioangioma
Allantoic cyst
A

Chorioangioma

18
Q

The normal umbilical cord has:

  • One vein and one artery
  • Two veins and two arteries
  • Two veins and one artery
  • Two arteries and one vein
A

Two arteries and one vein

19
Q

Insertion of the umbilical cord at the edge of the placenta is referred to as:

  • Velamnetous cord insertion
  • Partial cord insertion
  • Marginal cord insertion
  • Nuchal cord insertion
A

Marginal cord insertion

20
Q 
Increased S/D ratio is associated w/ all of the following except:
IUGR
Placental insufficiency
Allantoic cysts
Perinatal mortality
A

Allantoic cysts

21
Q 
A velamentous cord insertion is associated w/ which of the following?
Placenta increta
Placental abruption
Vasa previa
Circumvallate placenta
A

Vasa previa

22
Q

Normally, the S/D ratio:

  • Increases w/ advancing gestation
  • Decreases w/ advancing gestation
  • Reverses occasionally during a normal pregnancy
  • Has an absent diastolic component
A

Decreases w/ advancing gestation

23
Q

Fetal TORCH is frequently associated w/:

  • Maternal hypertension
  • Twin-twin transfusion syndrome
  • Intracranial calcifications
  • Renal cystic disease
A

Intracranial calcifications

24
Q

Evidence of polyhydramnios should warrant a careful investigation of the fetal:

  • Genitourinary system
  • Gastrointestinal system
  • Extremities
  • Cerebrovascular system
A

Gastrointestinal system

25
Q

All of the following are associated w/ polyhydramnios except:

  • Omphalocele
  • Gastroschisis
  • Esophageal atresia
  • Bilateral multicystic dysplastic kidney disease
A

Bilateral multicystic dysplastic kidney disease

26
Q

IUGR is evident when the EFW is:

  • Above the 90th percentile
  • Below the 90th percentile
  • Above the 10th percentile
  • Below the 10th percentile
A

Below the 10th percentile

27
Q 
The cervix should measure at lease \_\_\_\_\_ in length.
4cm
5cm
3cm
8mm
A

3cm

28
Q 
The measurement that should be carefully scrutinized in cases of IUGR is the:
AC
FL
BPD
HC
A

AC

29
Q

Doppler assessment of the middle cerebral artery:

  • Helps to determine if fetal anorexia is occurring
  • Is valuable in diagnosing the extent of ventriculomegaly
  • Can evaluate the fetus for hypoxia
  • Is important to determine if TORCH complications are present
A

Can evaluate the fetus for hypoxia

30
Q 
Mothers w/ gestational diabetes run the risk of having fetuses that are considered:
Nutritionally deficient
Acromegalic
Microsomic
Macrosomic
A

Macrosomic

SEMINAR FOR OB/GYN (18 decks)

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