Penny Ch. 28: The Fetal Gastrointestinal System (Review questions)
The fetal stomach should be visualized by:
14 weeks
Hepatomegaly would be seen in conjunction with:
Beckwith-Wiedmann syndrome
Intrauterine growth restriction is defined as:
a fetus that falls below the 10th percentile for gestational age
The congenital maldevelopment of the rectum and absence of anal opening is termed:
anorectal atresia
Which of the following is considered to be the most common type of colonic atresia? duodenal atresia jejunal atresia anorectal atresia intussusception
anorectal atresia
Which of the following are most likely associated with oligohydramnios duodenal atresia hepatomegaly bilateral renal agenesis physiologic herniation
bilateral renal agenesis
Congenital maldevelopment of the proximal portion of the small intestine is termed:
duodenal atresia
which of the following would be most likely associated with polyhydramnios: duodenal atresia hepatomegaly bilateral renal agenesis physiologic herniation
duodenal atresia
The congenital absence of part of the esophagus is termed:
esophageal atresia
What organ(s) produce amniotic fluid after 12 weeks?
fetal kidneys
An omphalocele may contain:
fetal liver, ascites, and fetal colon
Pentalogy of Cantrell includes all of the following findings except? -cardiovascular malformations -diaphragmatic malformations -omphalocele -gastroschisis
gastroschisis
The most common abnormality of the fetal liver is:
hepatomegaly
Describe a choledochal cyst:
it is the cystic dilation of the common bile duct
What lab value would be significantly in the detection of an abdominal wall defect?
maternal serum alpha-fetoprotein
Fetal stool is termed:
meconium
All of the following are associated with gastroschisis except normal cord insertion multiple chromosomal abnormalities elevated MSAFP periumbical mass
multiple chromosomal abnormalities
All of the following are associated with omphalocele except: -normal cord insertion -multiple chormosomal abnormalities -elevated MSAFP -periumbilical mass
normal cord insertion
All of the following are associated with esophageal atresia except down syndrome VACETRL syndrome edwards syndrome oligohydramnios
oligohydramnios
The herniation of the bowel into the base of the umbilical cord before 12 weeks is termed:
physiologic herniation
An excessive amount of amniotic fluid is termed:
polyhydramnios
Duodenal atresia and esophageal atresia are associated with:
polyhydramnios
Gastroschisis occurs more often in what location?
right lateral of cord insertion
Most often, _________ is associated with duodenal atresia
trisomy 21
All of the following are associated with duodenal atresia except: trisomy 21 esophageal atresia VACTERL syndrome turner syndrome
turner syndrome
Which of the following would be least likely to be associated with an elevated maternal serum alpha-fetoprotien? pentalogy of Cantrell anorectal atresia gastroschisis omphalocele
anorectal atresia
The "double bubble" sign is indicative of what?
duodenal atresia
A functional bowel disorder within the fetus that is caused by the absence of intestinal nerves is found in:
hirschsprung disease
All of the following are associated with omphalocele except: trisomy 18 pentalogy of Cantrell hernia umbilicus hirschsprung disease
hirschsprung disease
An ompahlocele is associated with all of the following except pentalogy of cantrell trisomy 18 patau syndrome meconium aspiration syndrome
meconium aspiration syndrome