Chapter 28 the fetal GI system questions
the congenital maldevelopment of the rectum and absence of anal opening is termed?
anorectal atresia
Hepatomegaly would be seen in conjunction with
Beckwith-Wiedemann syndrome
hepatomegaly would least likely be associated with: -beckwith-wiedemann syndrome -fetal anemia -intrauterine infections -gastroschisis
gastroschisis
the most common abnormality of the fetal liver is
hepatomegaly
the fetal stomach should be visualized by?
14 weeks
intrauterine growth restriction is defined as?
A fetus that falls below the 10th percentile for gestational age
fetal meconium typically consists of all of the following except: -skin -hair -bile -blood
blood
which of the following laboratory values would be significant in the detection of an abdominal wall defect? -MSAFP -human chorionic gonadotropin -maternal serum amylase -estradiol
MSAFP
an omphalocele may contain: -fetal liver -ascites -fetal colon -all of the above
all of the above
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 would be least likely associated with an elevated MSAFP? -pentalogy of Cantrell -anorectal atresia -gastroschisis -omphalocele
anorectal atresia
which of the following would be most likely associated with oligohydramnios? -duodenal atresia -hepatomegaly -bilateral renal agenesis -physiologic bowel herniation
bilateral renal agenesis
the fetal gut develops at the end of the fifth menstrual week and can be divided into all of the following except: -midgut -foregut -centralgut -hindgut
centralgut
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?
cystic fibrosis
which of the following is associated with echogenic bowel? -fetal anemia -cystic fibrosis -radial ray syndrome -portal hypertension
cystic fibrosis
Congenital maldevelopment of the proximal portion of the small intestine is termed:
duodenal atresia
the "double bubble" sign is indicative of?
duodenal atresia
which of the following would be most likely associated with an excessive amount of amniotic fluid? -duodenal atresia -hepatomegaly -bilateral renal agenesis -physiologic bowel herniation
duodenal atresia
the congenital absence of part of the esophagus is termed?
esophageal atresia
what organ(s) produces amniotic fluid after 12 weeks?
fetal kidneys
the majority of amniotic fluid is composed of
fetal urine
pentalogy of Cantrell includes all of the following findings except: -cardiovascular malformations -diaphragmatic malformations -omphalocele -gastroschisis
gastroschisis
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 -intrauterine growth restriction -hirschsprung disease
hirschsprung disease
which of the following best describes a choledochal cyst? -it is the cystic dilatation of the common bile duct -it is the congenital absence of the cystic duct -it is the herniation of the abdominal contents into the umbilical cord -it is caused the inflammation of the biliary tree caused by extrinsic obstruction
it is the cystic dilatation of the common bile duct
all of the following are sonographic findings of esophageal atresia except: -absent stomach -polyhydramnios -macrosomia -intrauterine growth restriction
macrosomia
fetal stool is termed?
meconium
an omphalocele is associated with all of the following except: -pentalogy of Cantrell -trisomy 18 -patau syndrome -meconium aspiration syndrome
meconium aspiration syndrome
all of the following are associated with gastroschisis except: -normal cord insertion -multiple chromosomal abnormalities -elevated MSAFP -periumbilical mass
multiple chromosomal abnormalities
all of the following are associated with omphalocele except: -normal cord insertion -multiple chromosomal abnormalities -elevated MSAFP -periumbilical mass
normal cord insertion
all of the following are associated with esophageal atresia except: -down syndrome -VACTERL association -edwards syndrome -Oligohydramnios
oligohydramnios
the herniation of the bowel into the base of the umbilical cord before 12 weeks is termed?
physiological herniation
an excessive amount of amniotic fluid is termed
polyhydramnios
duodenal atresia and esophageal atresia are associated with?
polyhydramnios
in what location does gastroschisis occur more often?
right lateral of the cord insertion
an abnormal connection between the esophagus and trachea is termed?
tracheoesophageal fistula
what chromosomal anomaly is associated with echogenic bowel?
trisomy 21
which of the following is most often associated with duodenal atresia? -trisomy 21 -trisomy 18 -trisomy 13 -triploidy
trisomy 21
all of the following are associated with duodenal atresia excpet: -trisomy 21 -esophageal atresia -VACTERL association -turner syndrome
turner syndrome
normally, physiologic bowel herniation resolves by?
12 weeks