Ch. 31 Multiple Gestations Flashcards
(30 cards)
1
Q
Twins that have the threat of being conjoined are: Monochorionic/monoamniotic Monochorionic/diamniotic Dizygotic Dichorionic/diamniotic
A
Mono/mono
2
Q
The inner membrane surrounding the fetus is referred to as the: Placenta Chorion Amnion Yolk sac
A
Amnion
3
Q
Twins that result from the fertilization of 2 separate ova are called: Diamniotic Dizygotic Monozygotic Monochorionic
A
Dizygotic
4
Q
The outer membrane surrounding the fetus is referred to as the: Placenta Chorion Amnion Yolk sac
A
Chorion
5
Q
Advanced maternal age is considered: >25 yrs >30 yrs >35 yrs >40 yrs
A
> 35 yrs
6
Q
Twins whose bodies are connected at some point are said to be: Fraternal Conjoined Identical Stuck
A
Conjoined
7
Q
The term that indicates the presence of two separate amniotic sacs is: Dichorionic Bichorionic Monoamniotic Diamniotic
A
Diamniotic
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
9
Q
Which term relates the number of amniotic sacs? Chorionicity Placentation Amnionicity Both Chorionicity and Placentation
A
Amnionicity
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
11
Q
Which term relates the number of placentas? Chorionicty Placentation Amnionicity Both Chorionicity and Placentation
A
Both Chorionicity and Placentation
12
Q
Identical twins result from: Monozygotic twinning Dizygotic twinning Heterotopic pregnancies Monochorionic pregnancies
A
Monozygotic twinning
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
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
15
Q
Typically, the 1st sonographic manifestation of twin-twin transfusion syndrome is: Oligohydramnios Polyhydramnios Dichorionic twinning Discordant fetal growth
A
Discordant fetal growth
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
```
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
```
All of the above
26
```
The most common form of monozygotic twins is:
Monochorionic/diamniotic
Dichorionic/monoamniotic
Monochorionic/monoamniotic
None of the above
```
Monochorionic/diamniotic
27
```
All of the following complications are associated w/ multiple gestations except:
Preterm delivery
High birth weight
Maternal anemia
Maternal preeclampsia
```
High birth weight
28
Acardiac twinning results from:
* Poor maternal nutrition
* Dizygotic gestations
* Abnormal links among the placental vessels
* Twin embolization syndrome
Abnormal links among the placental vessels
29
```
Ovulation induction drugs not only increase the likelihood of multiple gestations, but also increase the likelihood of:
Maternal diabetes
Ovarian prolapse
Heterotopic pregnancies
Choriocarcinoma
```
Heterotopic pregnancies
30
```
Which form of monozygotic twinning is least common?
Monochorionic/diamniotic
Monochorionic/monoamniotic
Dichorionic/diamniotic
Dichorionic/biamniotic
```
Monochorionic/monoamniotic
