The Fetal Gastrointestinal System Flashcards
Hepatomegaly would least likely be associated with:
A. Beckwith–Wiedemann syndrome
B. Fetal anemia
C. Intrauterine infections
D. Gastroschisis
D. Gastroschisis
Normally, physiologic bowel herniation resolves by:
A. 8 weeks
B. 10 weeks
C. 24 weeks
D. 12 weeks
D. 12 weeks
Which of the following is most often associated with duodenal atresia?
A. Trisomy 21
B. Trisomy 18
C. Trisomy 13
D. Triploidy
A. Trisomy 21
Hepatomegaly would be seen in conjunction with:
A. Down syndrome
B. Edwards syndrome
C. Beckwith–Wiedemann syndrome
D. Hirschsprung disease
C. Beckwith–Wiedemann syndrome
Pentalogy of Cantrell includes all of the following findings except:
A. Cardiovascular malformations
B. Diaphragmatic malformations
C. Omphalocele
D. Gastroschisis
D. Gastroschisis
An excessive amount of amniotic fluid is termed:
A. Polyhydramnios
B. Oligohydramnios
C. Esophageal atresia
D. Amniotic fluid index
A. Polyhydramnios
The most common abnormality of the fetal liver is:
A. Gallstones
B. Hepatocellular lymphadenopathy
C. Cirrhosis
D. Hepatomegaly
D. Hepatomegaly
Congenital maldevelopment of the proximal portion of the small intestine
is termed:
A. VACTERL association
B. Esophageal atresia
C. Duodenal atresia
D. Jejunal atresia
C. Duodenal atresia
A functional bowel disorder within the fetus that is caused by the absence
of intestinal nerves is found in:
A. Gastroschisis
B. Beckwith–Wiedemann syndrome
C. Omphalocele
D. Hirschsprung disease
D. Hirschsprung disease
Which of the following is associated with echogenic bowel?
A. Fetal anemia
B. Cystic fibrosis
C. Radial ray syndrome
D. Portal hypertension
B. Cystic fibrosis
What chromosomal anomaly is associated with echogenic bowel?
A. Trisomy 18
B. Trisomy 13
C. Trisomy 21
D. Triploidy
C. Trisomy 21
The herniation of the bowel into the base of the umbilical cord before 12
weeks is termed:
A. Gastroschisis
B. Omphalocele
C. Hernia umbilicus
D. Physiologic herniation
D. Physiologic herniation
All of the following are associated with omphalocele except:
A. Trisomy 18
B. Pentalogy of Cantrell
C. Intrauterine growth restriction
D. Hirschsprung disease
D. Hirschsprung disease
The fetal stomach should be visualized by:
A. 6 weeks
B. 14 weeks
C. 20 weeks
D. 18 weeks
B. 14 weeks
All of the following are associated with esophageal atresia except:
A. Down syndrome
B. VACTERL association
C. Edwards syndrome
D. Oligohydramnios
D. Oligohydramnios
An abnormal connection between the esophagus and trachea is termed:
A. Esophageal-duodenal herniation
B. Double bubble sign
C. Esophageal atresia
D. Tracheoesophageal fistula
D. Tracheoesophageal fistula
In what location does gastroschisis occur more often?
A. Left lateral of the cord insertion
B. Right lateral of the cord insertion
C. Just superior to the fetal bladder
D. Base of the umbilical cord
B. Right lateral of the cord insertion
The congenital absence of part of the esophagus is termed:
A. Duodenal atresia
B. VACTERL association
C. Down syndrome
D. Esophageal atresia
D. Esophageal atresia
The “double bubble” sign is indicative of:
A. Esophageal atresia
B. Duodenal atresia
C. Hydrocephalus
D. Anorectal atresia
B. Duodenal atresia
All of the following are associated with gastroschisis except:
A. Normal cord insertion
B. Multiple chromosomal abnormalities
C. Elevated MSAFP
D. Periumbilical mass
B. Multiple chromosomal abnormalities
Which of the following laboratory values would be significant in the
detection of an abdominal wall defect?
A. MSAFP
B. Human chorionic gonadotropin
C. Maternal serum amylase
D. Estradiol
A. MSAFP
What is an inherited disorder in which mucus secreting organs such as
the lungs, pancreas, and other digestive organs produce thick and sticky
secretions instead of normal secretions?
A. Hirschsprung disease
B. Cystic fibrosis
C. Multiple sclerosis
D. Turner syndrome
B. Cystic fibrosis
What organ(s) produces amniotic fluid after 12 weeks?
A. Fetal liver and the spleen
B. Fetal intestines and lungs
C. Fetal intestines and the liver
D. Fetal kidneys
D. Fetal kidneys
An omphalocele is associated with all of the following except:
A. Pentalogy of Cantrell
B. Trisomy 18
C. Patau syndrome
D. Meconium aspiration syndrome
D. Meconium aspiration syndrome
Duodenal atresia and esophageal atresia are associated with:
A. Oligohydramnios
B. Polyhydramnios
C. Normal amniotic fluid index
D. Anhydramnios
B. Polyhydramnios
The fetal gut develops at the end of the fifth menstrual week and can be
divided into all of the following except:
A. Midgut
B. Foregut
C. Centralgut
D. Hindgut
C. Central gut
Intrauterine growth restriction is defined as:
A. A small-for-dates fetus
B. A fetus that falls below the 10th percentile for gestational age
C. A fetus that is immunocompromised and has decreased umbilical cord
Doppler ratios for gestational age
D. A fetus that fall below the fifth percentile for gestational age
B. A fetus that falls below the 10th percentile for gestational age
Which of the following best describes a choledochal cyst?
A. It is the cystic dilatation of the common bile duct.
B. It is the herniation of the abdominal contents into the umbilical cord.
C. It is the congenital absence of the cystic duct.
D. It is the inflammation of the biliary tree caused by extrinsic
obstruction.
A. It is the cystic dilatation of the common bile duct.
Fetal stool is termed:
A. Plicae
B. Meconium
C. Laguna
D. Lanugo
B. Meconium
All of the following are associated with omphalocele except:
A. Normal cord insertion
B. Multiple chromosomal abnormalities
C. Elevated MSAFP
D. Periumbilical mass
A. Normal cord insertion
An omphalocele may contain:
A. Fetal liver
B. Ascites
C. Fetal colon
D. All of the above
D. All of the above
The congenital maldevelopment of the rectum and absence of anal
opening is termed:
A. Jejunal atresia
B. Intussusception
C. Anorectal atresia
D. Duodenal atresia
C. Anorectal atresia
All of the following are associated with duodenal atresia except:
A. Trisomy 21
B. Esophageal atresia
C. VACTERL association
D. Turner syndrome
D. Turner syndrome
Which of the following would be least likely associated with an elevated
MSAFP?
A. Pentalogy of Cantrell
B. Anorectal atresia
C. Gastroschisis
D. Omphalocele
B. Anorectal atresia
Which of the following is considered to be the most common type of
colonic atresia?
A. Duodenal atresia
B. Jejunal atresia
C. Anorectal atresia
D. Intussusception
C. Anorectal atresia
Fetal meconium typically consists of all of the following except:
A. Skin
B. Hair
C. Bile
D. Blood
D. Blood
Which of the following would be most likely associated with an
excessive amount of amniotic fluid?
A. Duodenal atresia
B. Hepatomegaly
C. Bilateral renal agenesis
D. Physiologic bowel herniation
A. Duodenal atresia
Which of the following would be most likely associated with oligohydramnios?
A. Duodenal atresia
B. Hepatomegaly
C. Bilateral renal agenesis
D. Physiologic bowel herniation
C. Bilateral renal agenesis
The majority of amniotic fluid is composed of:
A. Fetal blood
B. Fetal serous fluid
C. Maternal serous fluid
D. Fetal urine
D. Fetal urine
All of the following are sonographic findings of esophageal atresia
except:
A. Absent stomach
B. Polyhydramnios
C. Macrosomia
D. Intrauterine growth restriction
C. Macrosomia
