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SEMINAR FOR OB/GYN > Ch. 31 Multiple Gestations > Flashcards

Ch. 31 Multiple Gestations Flashcards

1
Q 
Twins that have the threat of being conjoined are:
Monochorionic/monoamniotic
Monochorionic/diamniotic
Dizygotic
Dichorionic/diamniotic
A

Mono/mono

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2
Q 
The inner membrane surrounding the fetus is referred to as the:
Placenta
Chorion
Amnion
Yolk sac
A

Amnion

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3
Q 
Twins that result from the fertilization of 2 separate ova are called:
Diamniotic
Dizygotic
Monozygotic
Monochorionic
A

Dizygotic

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4
Q 
The outer membrane surrounding the fetus is referred to as the:
Placenta
Chorion
Amnion
Yolk sac
A

Chorion

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5
Q 
Advanced maternal age is considered:
>25 yrs
>30 yrs
>35 yrs
>40 yrs
A

> 35 yrs

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6
Q 
Twins whose bodies are connected at some point are said to be:
Fraternal 
Conjoined
Identical
Stuck
A

Conjoined

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7
Q 
The term that indicates the presence of two separate amniotic sacs is:
Dichorionic
Bichorionic
Monoamniotic
Diamniotic
A

Diamniotic

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8
Q 
Twins having two placents and one amniotic sac are referred to as:
Monochorionic/diamniotic
Monoamniotic/dichorionic
Dichorionic/monoamniotic
This does not occur
A

This does not occur

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9
Q 
Which term relates the number of amniotic sacs?
Chorionicity
Placentation
Amnionicity
Both Chorionicity and Placentation
A

Amnionicity

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10
Q 
Twins having one placenta and one amniotic sac are referred to as:
Dichorionic/monoamniotic
Dichorionic/diamniotic
Monochorionic/diamniotic
Monochorionic/monoamniotic
A

Monochorionic/monoamniotic

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11
Q 
Which term relates the number of placentas?
Chorionicty
Placentation
Amnionicity
Both Chorionicity and Placentation
A

Both Chorionicity and Placentation

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12
Q 
Identical twins result from:
Monozygotic twinning
Dizygotic twinning
Heterotopic pregnancies
Monochorionic pregnancies
A

Monozygotic twinning

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13
Q 
The sonographic examination of twins reveals a triangular extention of the placenta at the base of the membrane. This finding is indicative of:
Monochorionic/monoamniotic twins
Monochorionic/diamniotic twins
Dichorionic/diamniotic twins
Monochorionic/diamniotic twins
A

Dichorionic/diamniotic twins

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14
Q 
Twins having two placentas and two amniotic sacs are referred to as:
Monochorionic diamniotic
Biamniotic dichorionic
Dichorionic diamniotic
DIchorionic biamniotic
A

Dichorionic diamniotic

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15
Q 
Typically, the 1st sonographic manifestation of twin-twin transfusion syndrome is:
Oligohydramnios
Polyhydramnios
Dichorionic twinning
Discordant fetal growth
A

Discordant fetal growth

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16
Q 
Conjoined twins that are attached at the abdomen are referred to as:
Omphalopagus
Thoracopagus
Ileopagus
Craniopagus
A

Omphalopagus

17
Q 
The demise of a twin during the 2nd or 3rd trimester can lead to:
Twin-twin transfusion syndrome
Twin embolization syndrome
Twin peak sign
Acardiac twinning
A

Twin embolization syndrome

18
Q 
The term that indicates the presence of two separate placentas is:
Dichorionic
Bichorionic
Monoamniotic
Diamniotic
A

Dichorionic

19
Q 
The shunting of blood from one twin to the other is termed:
Twin-twin transfusion syndrome
Twin embolization syndrome
Twin peak sign
Conjoined twins
A

Twin-twin transfusion syndrome

20
Q 
Factos that increase the likelihood of having multiple gestations include all of the following except:
AMA
Ovulation induction drugs
Poor nutritional care
Maternal predisposition for twins
A

Poor nutritional care

21
Q 
Which of the following can occur as a result of dizygotic twinning?
Monochorionic/monoamniotic twins
Monochorionic/diamniotic twins
Dichorionic/diamniotic twins
All of the above
A

Dichorionic/diamniotic twins

22
Q

The parasitic twin in acardiac twinning is also referred to as the “pump twin”.
True
False

A

False

23
Q 
The twin that will appear larger in twin-twin transfusion syndrome is:
Donor
Recipient
Both will be the same
Both will be demised
A

Recipient

24
Q 
Fraternal twins result from:
Monozygotic twinning
Dizygotic twinning
Heterotopic pregnancies
Monochorionic pregnancies
A

Dizygotic twinning

25
Q 
Which of the following can occur as a result of monozygotic twinning?
Monochorionic/diamniotic twins
Monochorionic/monoamniotic twins
Dichorionic/diamniotic twins
All of the above
A

All of the above

26
Q 
The most common form of monozygotic twins is:
Monochorionic/diamniotic
Dichorionic/monoamniotic
Monochorionic/monoamniotic
None of the above
A

Monochorionic/diamniotic

27
Q 
All of the following complications are associated w/ multiple gestations except:
Preterm delivery
High birth weight
Maternal anemia
Maternal preeclampsia
A

High birth weight

28
Q

Acardiac twinning results from:

  • Poor maternal nutrition
  • Dizygotic gestations
  • Abnormal links among the placental vessels
  • Twin embolization syndrome
A

Abnormal links among the placental vessels

29
Q 
Ovulation induction drugs not only increase the likelihood of multiple gestations, but also increase the likelihood of:
Maternal diabetes
Ovarian prolapse
Heterotopic pregnancies
Choriocarcinoma
A

Heterotopic pregnancies

30
Q 
Which form of monozygotic twinning is least common?
Monochorionic/diamniotic
Monochorionic/monoamniotic
Dichorionic/diamniotic
Dichorionic/biamniotic
A

Monochorionic/monoamniotic

SEMINAR FOR OB/GYN (18 decks)

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