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