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OBGYN REGISTRY PRACTICE > Multiple Gestations > Flashcards

Multiple Gestations Flashcards

(40 cards)

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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

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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

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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

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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

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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

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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

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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

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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

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A

A. Dichorionic

25
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
B. Endoscopic-guided laser photocoagulation
26
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. TTTS
27
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
C. Poor nutritional state
28
TRAP syndrome may also be referred to as: A. TTRS B. Vanishing twin syndrome C. Twin embolization syndrome D. Acardiac twinning
D. Acardiac twinning
29
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
C. Dichorionic diamniotic twins
30
The abnormal twin in acardiac twinning is also referred to as the: A. Pump twin B. Parasitic twin C. Stuck twin D. Vanishing twin
B. Parasitic twin
31
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
B. Recipient
32
Fraternal twins result from: A. Monozygotic twinning B. Dizygotic twinning C. Heterotopic pregnancies D. Monochorionic pregnancies
B. Dizygotic twinning
33
What is the term for conjoined twins attached at the sacral region? A. Sacralpagus B. Omphalopagus C. Pyopagus D. Thoracopagus
C. Pyopagus
34
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
D. All of the above
35
The most common form of monozygotic twins is: A. Monochorionic diamniotic B. Dichorionic monoamniotic C. Monochorionic monoamniotic D. None of the above
A. Monochorionic diamniotic
36
All of the following complications are associated with multiple gestations except: A. Preterm delivery B. High birth weight C. Maternal anemia D. Maternal preeclampsia
B. High birth weight
37
Acardiac twinning results from: A. Poor maternal nutrition B. Dizygotic gestations C. Abnormal links between the placental vessels D. Twin embolization syndrome
C. Abnormal links between the placental vessels
38
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
C. Heterotopic pregnancies
39
Which form of monozygotic twinning is least common? A. Monochorionic diamniotic B. Monochorionic monoamniotic C. Dichorionic diamniotic D. Dichorionic biamniotic
B. Monochorionic monoamniotic
40
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. Twin embolization syndrome

OBGYN REGISTRY PRACTICE (17 decks)

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