Chapter 31 Multiple Gestations

Question 1

Twins that have the threat of being conjoined are?

Answer 1

monochorionic monoamniotic

Question 2

The inner membrane surrounding the fetus is referred to as the ?

Answer 2

Amnion

Question 3

Twins that result from the fertilization of two separate ova are called?

Answer 3

Dizygotic

Question 4

The outer membrane surrounding the fetus is referred to as the?

Answer 4

Chorion

Question 5

Advanced maternal age is considered ?

Answer 5

> 35 years of age

Question 6

Twins whose bodies are connected at some point are said to be?

Answer 6

Conjoined

Question 7

The term that indicated the presence of two separate amniotic sacs is?

Answer 7

diamniotic

Question 8

Twins having two placentas and one amniotic sac are referred to as?

Answer 8

This does not occur

Question 9

Which term relates the number of amniotic sacs?

Answer 9

Amnionicity

Question 10

Twins having one placenta and one amniotic sac are referred to as?

Answer 10

Monochorionic monoamniotic

Question 11

Which term related the number of placentas?
A)chorionicity
B)Placentation
C)Amnioicity
D)both A and B

Answer 11

Both A and B

Question 12

identical twins result from?

Answer 12

monozygoitc twinning

Question 13

The sonographic examination of twins reveals a triangular extension of the placenta at the base of the membrane. This finding is indicative of?

Answer 13

Dichorionic diamniotic twins

Question 14

Twins having two placentas and two amniotic sacs are referred to as?

Answer 14

Dichorionic diamniotice

Question 15

Typically, the first sonographic manifestation of twin-twin transfusion syndrome is?

Answer 15

discordant fetal growth

Question 16

Conjoined twins that are attached at the abdomen are referred to as?

Answer 16

Omphalopagus

Question 17

The demise of a twin during the second or third trimester can lead to?

Answer 17

Twin embolization syndrome

Question 18

The term that indicated the presence of two separate placentas is?

Answer 18

dichorionic

Question 19

The shunting of blood from one twin to the other is termed?

Answer 19

twin-twin transfusion syndrome

Question 20

Factors that increase the likelihood of having multiple gestations include all of the following?
A) advanced maternal age
B)Ovulation induction drugs
C)Poor nutrition state
D)Maternal predisposition for twins

Answer 20

poor nutritional state

Question 21

Which of the following can occur as a result of dizygotic twinning?
A)monochorionic diamniotic twin
B)monochorionic monoamniotic twins
C)dichorionic diamniotic twins
D)all of the above

Answer 21

dichorionic diamniotic twins

Question 22

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

Answer 22

false

Question 23

The twin that will appear larger in twin-twin transfusion syndrome is the?

Answer 23

Recipient

Question 24

Fraternal twins result from?

Answer 24

dizygotic twinning

Question 25

``` Which of the following can occur as a result of monzygotic twinning? A)monochorionic diamniotic twins B)monochorionic monoamniotic twins C)dichorionic diamniotic twins D)all of the above ```

Answer 25

all of the above

Question 26

The most common form of monozygotic twins is?

Answer 26

monochorionic diamniotic

Question 27

``` All of the following complications are associated with multiple gestations except? A) preterm delivery B) high birth weight C) maternal anemia D) maternal preeclampsia ```

Answer 27

high birth weight

Question 28

Acardiac twinning results from?

Answer 28

abnormal links among the placental vessels

Question 29

Ovulation induction drugs not only increase the likelihood of multiple gestations, but also increase the likelihood of?

Answer 29

Heterotopic pregnancies

Question 30

Which form of monozygotic twinning is least common?

Answer 30

Monochorioinic monoamniotic