Meckel's diverticulum is a true or false diverticulum?

1.   ?    True
2.   ?    False

How often is ectopic tissue found in the Meckel's diverticulum?

1.   ?    1 in 10
2.   ?    1 in 4
3.   ?    1 in 2
4.   ?    3 in 4

What diseases or abnormalities are NOT associated with Meckel's diverticulum?

1.   ?    Hirschsprung's
2.   ?    Down's syndrome
3.   ?    Duodenal atresia
4.   ?    All of the above are associated

When during gestation does the embryonic vitelline duct usually undergo obliteration?

1.   ?    2 to 4th weeks
2.   ?    5 to 9th weeks
3.   ?    10 to 12th weeks

What is the vitelline duct?

1.   ?    Connects amnion to yolk sac
2.   ?    Connects urachal cavity to bladder
3.   ?    Connects yolk sac to midgut

The blood supply to the vitelline duct may be from a separate arterial branch directly from the mesentery to the diverticulum. This vessel is a remnant of what?

1.   ?    Left vitelline artery
2.   ?    Urachal artery
3.   ?    Right vitelling artery
4.   ?    Cardinal artery

For every adult that has a Meckel's diverticulum, what percent will develop symptoms?

1.   ?    Under 5%
2.   ?    5 to 30%
3.   ?    50 to 60%
4.   ?    Above 75%

What is the most common symptom of the Meckel's diverticulum in a child?

1.   ?    Bowel obstruction
2.   ?    GI bleeding
3.   ?    Perforation
4.   ?    Inflammation

Vitelline duct anomalies (asymptomatic) are more common in boys or girls?

1.   ?    Boys
2.   ?    Girls
3.   ?    Equivalent

Bleeding from Meckel's diverticulum is usually painful or painless?

1.   ?    Painless
2.   ?    Painful
3.   ?    Either

Which has the lowest mean age at presentation for the differing presentations of Meckel's diverticulum?

1.   ?    Obstruction
2.   ?    Bleeding
3.   ?    Inflammation
4.   ?    Perforation

In a typical Meckel's scan, what is NOT an agent used to enhance the results?

1.   ?    Pentagastrin
2.   ?    Cimetidine
3.   ?    Calcitonin

The isotope used in a Meckel's scan is taken up by what cells?

1.   ?    Parietal cells
2.   ?    Kulchitsky cells
3.   ?    Gastric mucosal cells
4.   ?    Paneth cells

A positive Meckel's scan may be due to heterotopic gastric mucosa in what structures?

1.   ?    MeckelÂ’s diverticulum
2.   ?    Intestinal duplication
3.   ?    Both

Which is NOT one of the causes of intestinal obstruction due to Meckel's diverticulum?

1.   ?    Internal hernia under left vitelline artery remnant
2.   ?    Prolapse through a patent duct
3.   ?    Intussusception
4.   ?    Volvulus around a fibrous band attached to the abdominal wall

What is a Littre's hernia?

1.   ?    Incarcerated hernia in arcuate line
2.   ?    Obturator hernia with incarceration
3.   ?    MeckelÂ’s diverticulum in an incarcerated hernia
4.   ?    Incarcerated antimesenteric border of small bowel in a hernia

What neoplasm, although rare, is the most common tumor occuring within a vitelline duct remnant?

1.   ?    Carcinoid
2.   ?    Adenocarcinoma
3.   ?    Leiomyosarcoma
4.   ?    Leiomyoma

What is the blood supply to the Meckel's diverticulum?

1.   ?    Right vitelline artery
2.   ?    Left vitelline artery
3.   ?    Inferior mesenteric arterial branch

What should be done with an asymptomatic Meckel's diverticulum in a healthy1 year old?

1.   ?    Observe, since older patients have increased complication risk
2.   ?    Remove
3.   ?    Remove only if not attached to abdominal wall

What is the lifetime risk of complications from Meckel's diverticulum, in general?

1.   ?    About 5%
2.   ?    10%
3.   ?    15%
4.   ?    25%