Chapter 32 Fetal face and neck

Question 1

The maternal contribution to the placenta is the ?

Answer 1

Decidua basalis

Question 2

The placenta releases_______ to maintain the corpus luteum?

Answer 2

Human chorionic gonadotropin

Question 3

An anechoic mass is noted within the umbilical cord during a routine sonographic examination. What is the most likely diagnosis?

Answer 3

Allantoic cyst

Question 4

Mothers with pregestational diabetes, as opposed to gestational diabetes, have an increased risk of a fetus with?

Answer 4

Neural tube Defects

Question 5

A succenturiate lobe of the placenta refers to as?

Answer 5

accessory lobe

Question 6

Pools of maternal blood noted withing the placental substance are referred to as?

Answer 6

maternal lakes

Question 7

The fetal contribution to the placenta is the

Answer 7

Chorion frondosum

Question 8

The placenta is considered too thick when it measures?

Answer 8

> 4cm

Question 9

All of the following are associated with a thin placenta except?
A) preeclampsia
B) intrauterine growth restriction
C) fetal hydrops
D) long standing diabetes

Answer 9

fetal hydrops

Question 10

When the placental edge extends into the lower uterine segment but ends more than 2 cm away from the internal os, it is referred to as?

Answer 10

low lying previa

Question 11

One of the most common causes of painless vaginal bleeding in the second and third trimester is?

Answer 11

placenta previa

Question 12

All of the following are associated with a thick placenta except?
A) fetal infections
B) RH isoimmunization
C) placental insuffieicney
D)Multiple gestations

Answer 12

Placental insufficiency

Question 13

Placenta accreta denotes?

Answer 13

the abnormal attachment of the placenta to the myometrium

Question 14

Doppler sonography reveals vascular structures coursing over the internal os of the cervix. This finding is indicative of?

Answer 14

Vasa previa

Question 15

All of the following are clinical features of placental abruption except?
A) vaginal bleeding
B) uterine tenderness
C) abdominal pain
D) funneling of the cervix

Answer 15

funneling of the cervix

Question 16

The most common placental tumor is the ?

Answer 16

Chorioangioma

Question 17

All of the following are associated with oligohydraminos except?
A) bilateral renal agenesis
B) Infantile polycystic kidney disease
C) premature rupture of membranes
D) duodenal atresia

Answer 17

duodenal atresia

Question 18

the normal umbilical cord has?

Answer 18

two arteries and one vein

Question 19

Insertion of the umbilical cord a the edge of the placenta is referred to as?

Answer 19

marginal cord insertion

Question 20

increased S/D ration is associated with all of the following except?
A) intrauterine growth restriction
B) Placental insufficiency
C) Allantoic cysts
D) perinatal mortality

Answer 20

allantoic cyst

Question 21

A velamentous cord insertion is associated with?

Answer 21

Vasa previa

Question 22

normally the S/D ratio?

Answer 22

decreases with advancing gestation

Question 23

Fetal TORCH is frequently associated with?

Answer 23

intracranial calcification

Question 24

Evidence of polyhydramnios should warrant a careful investication of the fetal?

Answer 24

gastrointestional system

Question 25

All of the following are associated with polyhydraminios except?
A) omphalocele
B) gastroschisis
C) esophageal atresia
C) bilateral multicystic dysplastic kidney disease

Answer 25

bilateral multicystic dysplastic kidney disease

Question 26

IUGR is evident when the EFW is?

Answer 26

below the 10th percentile

Question 27

The cervix should measure at least ____ in length.

Answer 27

3 cm

Question 28

The measurement that should be carefully scrutinized in cases of IUGR is the?

Answer 28

abdominal circumference

Question 29

Doppler assessment of the middle cerebral artery?

Answer 29

can evaluate the fetus for hypoxia

Question 30

Mothers with gestation diabetes run the risk of?

Answer 30

macrosomic