Anterior portal vein (preduodenal portal vein) is related to the persistence of primitive what?

1.   ?    Vitelline artery
2.   ?    Vitelline vein
3.   ?    Cardinal vein

Which of these biliary and pancreatic anomalies are NOT found in patients with duodenal atresia and stenosis?

1.   ?    Biliary atresia
2.   ?    Choledochal cysts
3.   ?    Abnormal bile duct insertion
4.   ?    All of the above are associated

Bile duct anomalies are most likely to be associated with which type of duodenal atresia?

1.   ?    Type 1
2.   ?    Type 2
3.   ?    Type 3

What percent of children with duodenal obstruction have a history of maternal polyhydramnios?

1.   ?    Less than 10%
2.   ?    35%
3.   ?    About 40 - 50%
4.   ?    75%

At what time in the intrauterine life can duodenal obstruction be identified?

1.   ?    3 - 4th month
2.   ?    5 - 6th month
3.   ?    7 - 8th month

An infant vomits: if the cause is duodenal atresia or obstruction, is the vomiting usually bilious or non bilious?

1.   ?    Bilious
2.   ?    Nonbilious
3.   ?    Equally likely to be either

How many of all children with duodenal atresia or stenosis have Down's syndrome?

1.   ?    1/10
2.   ?    1/3
3.   ?    2/3
4.   ?    3/4

Which of the following found is least likely to be found in association with duodenal atresia?

1.   ?    Annular pancreas
2.   ?    Malrotation
3.   ?    Anterior portal vein
4.   ?    A 2nd distal web
5.   ?    Biliary atresia

T or F: In patients with a windsock deformity, the pancreas is usually normal.

1.   ?    True
2.   ?    False

What does it mean when no bile is seen in the proximal atretic segment of duodenum?

1.   ?    Biliary atresia
2.   ?    Post-atretic bile duct entry
3.   ?    Either of the above

What is the surgical treatment of a duodenal web?

1.   ?    Excision of the medial portion of the web
2.   ?    Excision of the involved segment, with reanastomosis
3.   ?    Duoduodenoduodenostomy
4.   ?    Excision of the lateral portion of the web

What is the most common cause of death in patients with duodenal atresia?

1.   ?    DownÂ’s syndrome
2.   ?    Congenital heart disease
3.   ?    Sepsis
4.   ?    Malrotation