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OBGYN REGISTRY PRACTICE > Multiple Gestations > Flashcards

Multiple Gestations Flashcards

1
Q

Which of the following is not a sonographic sign of a dichorionic
diamniotic gestation?
A. Twin peak sign
B. Lambda Sign
C. Delta Sign
D. T sign

A

D. T sign

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2
Q

Twins that have the threat of being conjoined are:
A. Monochorionic monoamniotic
B. Monochorionic diamniotic
C. Dizygotic
D. Dichorionic diamniotic

A

A. Monochorionic monoamniotic

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3
Q

Which of the following would a newborn most likely suffer from if he or
she were born prior to 32 weeks as a result of multiple gestation
complications?
A. Ascites
B. Pulmonary hypoplasia
C. Amnionitis
D. Preeclampsia

A

B. Pulmonary hypoplasia

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4
Q

The inner membrane surrounding the fetus is referred to as the:
A. Placenta
B. Chorion
C. Amnion
D. Yolk Sac

A

C. Amnion

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5
Q

Twins that result from the fertilization of two separate ova are called:
A. Diamniotic
B. Dizygotic
C. Monozygotic
D. Monochorionic

A

B. Dizygotic

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6
Q

What condition is pregnancy-induced maternal high blood pressure and
excess protein in the urine after 20 weeks’ gestation?
A. Gestational diabetes
B. Preeclampsia
C. Porencephaly
D. Maternal mirror syndrome

A

B. Preeclampsia

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7
Q

The outer membrane of the gestation is referred to as the:
A. Placenta
B. Chorion
C. Amnion
D. Yolk sac

A

B. Chorion

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8
Q

Which of the following would not increase the likelihood of multiple
gestations?
A. Gestational diabetes
B. Maternal age of >40 years
C. Maternal history of twins
D. ART

A

A. Gestational diabetes

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9
Q

Twins whose bodies are connected at some point are said to be:
A. Fraternal
B. Conjoined
C. Identical
D. Stuck

A

B. Conjoined

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10
Q

The term that indicates the presence of two separate amniotic sacs is:
A. Dichorionic
B. Bichorionic
C. Monoamniotic
D. Diamniotic

A

D. Diamniotic

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11
Q

Twins having two placentas and one amniotic sac are referred to as:
A. Monochorionic diamniotic
B. Monoamniotic dichorionic
C. Dichorionic monoamniotic
D. This does not occur

A

D. This does not occur

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12
Q

What is it called when a twin fetus, suffering from TTTS, experiences
severe oligohydramnios and becomes closely adhered to the uterine wall?
A. Acardiac monster
B. Vanishing twin
C. Acardiac twin
D. Stuck twin

A

D. Stuck twin

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13
Q

Which term relates the number of amniotic sacs?
A. Chorionicity
B. Placentation
C. Amnionicity
D. Embryology

A

C. Amnionicity

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14
Q

Twins having one placenta and one amniotic sac are referred to as:
A. Dichorionic monoamniotic
B. Dichorionic diamniotic
C. Monochorionic diamniotic
D. Monochorionic monoamniotic

A

D. Monochorionic monoamniotic

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15
Q

Which term relates the number of placentas?
A. Chorionicity
B. Zygocity
C. Amnionicity
D. Cleavage

A

A. Chorionicity

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16
Q

Identical twins result from:
A. Monozygotic twinning
B. Dizygotic twinning
C. Heterotopic pregnancies
D. Monochorionic pregnancies

A

A. Monozygotic twinning

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17
Q

The sonographic examination of twins reveals a triangular extension of
the placenta at the base of the membrane. This finding is indicative of:
A. Monochorionic monoamniotic twins
B. Monochorionic diamniotic twins
C. Dichorionic diamniotic twins
D. Monochorionic diamniotic twins

A

C. Dichorionic diamniotic twins

18
Q

Asymmetry in fetal weight between twins is indicative of:
A. Discordant growth
B. Preeclampsia
C. Dichorionic diamniotic twinning
D. Intrauterine infections

A

A. Discordant growth

19
Q

Twins having two placentas and two amniotic sacs are referred to as:
A. Monochorionic diamniotic
B. Biamniotic dichorionic
C. Dichorionic diamniotic
D. Dichorionic biamniotic

A

C. Dichorionic diamniotic

20
Q

Typically, the first sonographic manifestation of TTTS is:
A. Oligohydramnios
B. Polyhydramnios
C. Dichorionic twinning
D. Discordant fetal growth

A

D. Discordant fetal growth

21
Q

Conjoined twins that are attached at the abdomen are referred to as:
A. Omphalopagus
B. Thoracopagus
C. Ileopagus
D. Craniopagus

A

A. Omphalopagus

22
Q

Monozygotic twins result from:
A. A single zygote that splits
B. Two zygotes that are fertilized by the same sperm
C. Two morulla
D. A single zygote that is fertilized by two sperm

A

A. A single zygote that splits

23
Q

The demise of a twin during the second or third trimester can lead to:
A. TTTS
B. Twin embolization syndrome
C. Twin peak sign
D. Acardiac twinning

A

B. Twin embolization syndrome

24
Q

The term that indicates the presence of two separate placentas is:
A. Dichorionic
B. Bichorionic
C. Monoamniotic
D. Diamniotic

A

A. Dichorionic

25
Q

What is a treatment that separates abnormal placental vascular
connections between twins that are suffering from TTTS?
A. Cleavage-laser resection treatment
B. Endoscopic-guided laser photocoagulation
C. Endemic translocation of placental vessels
D. Circumvallate resection of shared placental vasculature

A

B. Endoscopic-guided laser photocoagulation

26
Q

The shunting of blood from one twin to the other is termed:
A. TTTS
B. Twin embolization syndrome
C. Twin peak sign
D. Conjoined twins

A

A. TTTS

27
Q

Factors that increase the likelihood of having multiple gestations include
all of the following except:
A. Advanced maternal age
B. Ovulation induction drugs
C. Poor nutritional state
D. Maternal predisposition for twins

A

C. Poor nutritional state

28
Q

TRAP syndrome may also be referred to as:
A. TTRS
B. Vanishing twin syndrome
C. Twin embolization syndrome
D. Acardiac twinning

A

D. Acardiac twinning

29
Q

Which of the following can occur as a result of dizygotic twinning?
A. Monochorionic diamniotic twins
B. Monochorionic monoamniotic twins
C. Dichorionic diamniotic twins
D. All of the above

A

C. Dichorionic diamniotic twins

30
Q

The abnormal twin in acardiac twinning is also referred to as the:
A. Pump twin
B. Parasitic twin
C. Stuck twin
D. Vanishing twin

A

B. Parasitic twin

31
Q

The twin that will appear larger in TTTS is the:
A. Donor
B. Recipient
C. Both will be the same
D. Both will be demised

A

B. Recipient

32
Q

Fraternal twins result from:
A. Monozygotic twinning
B. Dizygotic twinning
C. Heterotopic pregnancies
D. Monochorionic pregnancies

A

B. Dizygotic twinning

33
Q

What is the term for conjoined twins attached at the sacral region?
A. Sacralpagus
B. Omphalopagus
C. Pyopagus
D. Thoracopagus

A

C. Pyopagus

34
Q

Which of the following can occur as a result of monozygotic twinning?
A. Monochorionic diamniotic twins
B. Monochorionic monoamniotic twins
C. Dichorionic diamniotic twins
D. All of the above

A

D. All of the above

35
Q

The most common form of monozygotic twins is:
A. Monochorionic diamniotic
B. Dichorionic monoamniotic
C. Monochorionic monoamniotic
D. None of the above

A

A. Monochorionic diamniotic

36
Q

All of the following complications are associated with multiple gestations
except:
A. Preterm delivery
B. High birth weight
C. Maternal anemia
D. Maternal preeclampsia

A

B. High birth weight

37
Q

Acardiac twinning results from:
A. Poor maternal nutrition
B. Dizygotic gestations
C. Abnormal links between the placental vessels
D. Twin embolization syndrome

A

C. Abnormal links between the placental vessels

38
Q

Ovulation induction drugs not only increase the likelihood of multiple
gestations, but also increase the likelihood of:
A. Maternal diabetes
B. Ovarian prolapse
C. Heterotopic pregnancies
D. Choriocarcinoma

A

C. Heterotopic pregnancies

39
Q

Which form of monozygotic twinning is least common?
A. Monochorionic diamniotic
B. Monochorionic monoamniotic
C. Dichorionic diamniotic
D. Dichorionic biamniotic

A

B. Monochorionic monoamniotic

40
Q

The demise of a twin can lead to the development of neurologic
complications in the living twin as a result of:
A. Twin embolization syndrome
B. TTTS
C. TRAP syndrome
D. Dichorionicity

A

A. Twin embolization syndrome

OBGYN REGISTRY PRACTICE (17 decks)

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