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Flashcards in GI High Yield Deck (146)
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1

What organs are derived from the foregut?

Esophagus --> duodenum

2

artery of the foregut?

celiac

3

PNS innervation of midgut and foregut?

Vagus

4

PNS innervation of hindgut?

Pelvic splanchnic nerves

5

What organs are derived from the midgut?

Duodenum--> transverse colon

6

What organs are derived from the hindgut?

Transverse colon--> anal canal

7

Artery of the midgut?

SMA

8

Artery of the hindgut?

IMA

9

Opmaphalocele and gastrochisis result from a failure of what type of closure?

Lateral fold

10

Bladder exstrophy results from a failure of what type of closure?

caudal fold closure

11

"extrusion of abd contents through abdominal folds not covered by peritoneum"

gastroschisis

12

"persistance of herniation of abd contents into umbilical cord, sealed by peritoneum"

omaphalocele

13

What chromosomal abnormality is associated with duodenal atresia?

Trisomy 21

14

What causes atresia of jejunum, ileum and colon?

vascular accident

15

What presents with drooling, choking and vomiting with first feeding?

Tracheoesophageal anomalies

16

What is a clinical test for tracheoseophageal fistulas?

passing nasogastric tube into the stomach

17

"palpable 'olive' mass in epigastric region and nonbilous projectile vomiting at 2-6 weeks"

congeital pyloric stenosis

18

What causes congeital pyloric stenosis?

hypertrophy!

19

The liver is derived from what embryonic layer?

endoderm (of the foregut)

20

What is the pancreas derived from?

foregut (endoderm)

21

Which pancreatic duct contributes to teh pancreatic duct?

ventral bud

22

BOTH pancreatic buds contribute to the ________ of the pancreas

Head of the pancreas

23

Which pancreatic bud encircles the 2nd part of the duodenum?

ventral bud

24

"ventral and dorsal parts of the pancreas fail to fuse at 8 weeks"

pancreas divism

25

What does the spleen arise from?

mesentery of the stomach (mesoderm)

26

Which organs are retroperitoneal?

DAD PUCKER

Suprarenal glands
Aorta and IVC
Duodenum

Pancreas
Ureter
Colon (ascending and descending)
Kidneys
Esophagus
Rectum

27

What ligament encloses the portal triad?

Hepatoduodenal ligament

28

Which ligament encloses the gastric arteries?

Gastrohepatic

29

Which ligament encloses the gastroepiploic arteries?

gastrocolic

30

Which nerve plexus (Meissner or auerbach) aids in secretion of fluid?

Meissner (submucosal)

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