Chapter 28: The Fetal GI System

Question 1

Most often, ______ is associated with duodenal atresia.

Answer 1

Trisomy 21

Question 2

Hepatomegaly would be seen in conjunction with:

Answer 2

Beckwith-Wiedemann syndrom

Question 3

Pentalogy of Cantrell includes all of the following findings except:
A. cardiovascular malformations
B. diaphragmatic malformations
C. Omphalocele
D. Gastroschisis

Answer 3

D. Gastroschisis

Question 4

An excessive amount of amniotic fluid is termed:

Answer 4

polyhydramnios

Question 5

The most common abnormality of the fetal liver is :

Answer 5

hepatomegaly

Question 6

Congenital maldevelopment of the proximal portion of the small intestine is termed:

Answer 6

duodenal atresia

Question 7

A functional bowel disorder within the fetus that is caused by the absence of the intestinal nerves is found in:

Answer 7

Hirschsprung disease

Question 8

The herniation of the bowel into the base of the umbilical cord before 12 weeks is termed:

Answer 8

physiologic herniation

Question 9

All of the following are associated with omphalocele except:
A. Trisomy 18
B.Pentalogy of Cantrell
C. IUGR
D. Hirschsprung disease

Answer 9

Hirschsprung disease

Question 10

The fetal stomach should be visualized by:

Answer 10

14 weeks

Question 11

All of the following are associated with esophageal atresia except:
A. Down Syndrome
B. VACTERL syndrome
C. Edwards Syndrome
D. Oligohydramnios

Answer 11

oligohydramnios

Question 12

The congenital absence of part of the esophagus is termed:

Answer 12

esophageal atresia

Question 13

The double bubble sign is indicative of:

Answer 13

duodenal atresia

Question 14

All of the following are associated with gastoschisis except:
A. normal cord insertion
B. multiple chromosomal abnormalities
C. elevated maternal serum AFP
D. periumbilical mass

Answer 14

multiple chromosomal abnormalities

Question 15

What lab value would be significant in the detection of an abdominal wall defect?

Answer 15

maternal serum AFP

Question 16

What organ(s) produce amniotic fluid after 12 weeks?

Answer 16

fetal kidneys

Question 17

An omphalocele is associated with all of the following except:
A. Pentalogy of Cantrell
B. Trisomy 18
C. Patau syndrome
D. Meconium aspiration syndrome

Answer 17

meconium aspiration syndrome

Question 18

Duodenal atresia and esophageal atresia are associated with:

Answer 18

polyhydramnios

Question 19

IUGR is defined as:

Answer 19

A fetus that falls below the 10th percentile for gestational age

Question 20

What describes a choledochal cyst?

Answer 20

the cystic dilatation of the CBD

Question 21

Fetal stool is termed:

Answer 21

meconium

Question 22

All of the following are associated with omphalocele except:
A. normal cord insertion
B. multiple chromosomal abnormalities
C. elevated MSAFP
D. periumbilical mass

Answer 22

normal cord insertion

Question 23

An omphalocele may contain:

Answer 23

fetal liver, ascites, and fetal colon

Question 24

The congenital maldevelopment of the rectum and absence of the anal opening is:

Answer 24

anorectal atresia

Question 25

``` All of the following are associated with duodenal atresia except: A. Trisomy 21 B. Esophageal atresia C. VACTERL syndrome D. Turner syndrome ```

Answer 25

D. Turner syndrome

Question 26

``` Which would be least likely to be associated with an elevated AFP? A. Pentalogy of Cantrell B. Anorectal atresia C. gastroschisis D. omphalocele ```

Answer 26

B. anorectal atresia

Question 27

What is the most common type of colonic atresia?

Answer 27

anorectal atresia

Question 28

What is most likely to be associated with an excessive amount of amniotic fluid?

Answer 28

duodenal atresia

Question 29

What is most likely associated with oligohydramnios?

Answer 29

bilateral renal agenesis