17. GI

Question 1

three phases of proper digestion

Answer 1

Oral, gastric, and biliary/pancreatic

Question 2

oral phase produces _____ which contributes to CHO breakdown

Answer 2

salivary amylase

Question 3

biliary/pancreatic products

Answer 3

HCO3, pancreatic amylase, lipase, various proteases, bile

Question 4

produced from stomach G cells from stretch, cephalic phase of digestion, and chewing

Answer 4

serum gastrin

Question 5

causes HCL production and pepsinogen secretion

Answer 5

gastrin

Question 6

gastrin shuts off by

Answer 6

negative feedback

Question 7

superficial gastritis with normal gastrin

Answer 7

simple gastritis

Question 8

superficial gastritis with normal gastrin or slightly elevated

Answer 8

atrophic gastritis

Question 9

superficial gastritis with high gastrin and achlorhydric

Answer 9

gastric atrophy

Question 10

hyperplasic gastropathy with extreme hyperacidity

Answer 10

Zollinger-Ellison (Z-E) syndrome

Question 11

normal gastrin but increased amount of acid

Answer 11

hypersecretory gastropathy

Question 12

decreased amount of acid but gastrin is hight

Answer 12

menetrier’s disease

Question 13

IgM changes from H. pylori

Answer 13

IgM anti H. pylori antibody elevates 3-4 wks, down in 2-3 months after treatment

Question 14

IgG changes from H. pylori

Answer 14

IgG anti-H pylori antibody elevates 2 months after infection, stays elevated for other a year after treatment

Question 15

IgA changes from H. pylori

Answer 15

IgA anti-H pylori antibody elevates 2 months after infection, goes down 3-4 wks after treatment

Question 16

used to evaluate and determine the function and integrity of the bowel

Answer 16

stool tests

Question 17

cardinal sign if bowel is inflamed

Answer 17

diarrhea (malabsorption if chronic)

Question 18

confirms dx of steatorrhea

Answer 18

fecal fat

Question 19

determines the 24 hour output of fat (less than 6 grams)

Answer 19

3 day collection, must eat 100 grams of fat for 3 days before and throughout the test

Question 20

make sure no _____ is contained in the fecal fat sample

Answer 20

urine

Question 21

IF DIARRHEA IS UNRELENTING, what is necessary to determine presence of Salmonella, Shigella, Campylobacter, Yersinia, and pathologic E coli, Clostridium or staph?

Answer 21

stool culture

Question 22

used for bleeds that are slow or high in GI tract and don’t result in frank blood in the stool

Answer 22

Stool Occult Blood

Question 23

may cause bleeding or false positives

Answer 23

iron, NSAID’s, ASA, steroids

Question 24

may give a false negative result

Answer 24

Vit C

Question 25

before SOB must refrain from eating

Answer 25

red meat for 3 days and any non essential supp’s/OTC’s