GI 2 test

Question 1

Pt with longstanding abdominal pain that develops Brownish-Yellow urine with multiple enteric organisms is most likely cause by?

Answer 1

Enterovesicular fistula–secondar to Crohn dz

Question 2

This zone of the liver has the p450 system and is most sensitive to injury b/c it is furthest away from blood supply?

Answer 2

Zone 3

Question 3

What underlying dz is associated with meconium ileum in a neonate?

Answer 3

Cystic fibrosis

Question 4

Sawtooth glandular epithelium with proliferation of goblet and columnar epithelial cells with no malignant potential?

Answer 4

Hyperplastic polyp

Question 5

What antibodies/antigens are present/absent during to window period of HepB infection?

Answer 5

Present–HBcAb and HBeAb

Absent–HBsAg and HBsAb

Question 6

Biliary colic caused after eating a fatty meal can be caused by the release of what from what type of cells?

Answer 6

CCK–causing gallbladder contraction—from the I cells

Question 7

Pts with chronic hemolytic Disorders–Hereditary spherocytosis, sickle cell dz, or biliary tract infection typically have _______ gallstones?

Answer 7

Calcium bilirubinate (pigmented)

Question 8

Microscopically has chronic granulomatous inflammation around medium-size intrahepatic bile ducts and is strongly associated with antimitochondrial antibodies?

Answer 8

Primary biliary cirrhosis

Question 9

Caused by mutation of one of 2 genes hMSH2 and hMSH1 causing defective repair of DNA mismatches?

Answer 9

Hereditary nonpolyposis colorectal cancer–HNPCC

Question 10

What test is used to differentiate ZES from other causes of hypergastrinemia?

Answer 10

Secretin stimulation test–Secretin injection will cause marked increase in serum gastrin in pts with ZES

Normal pt–would suppress Gastrin secretion