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Med School: Semester 2 > GI2a > Flashcards

Flashcards in GI2a Deck (15):
1

What do the Chief cells release?

Pepsinogen

2

What do the Parietal cells release?

IF and HCl

3

What do the S cells release?

Secretin

4

What do the I cells release?

CCK

5

What is the function of CCK?

Contract the gallbladder and relax the sphincter of Oddie.

6

What do the D cells release?

Somatostatin

7

What are 5 causes of ulcers?

a. H. Pylori (60% of stomach, 90% duodenum)
b. NSAIDs
c. Z-E syndrome
d. smoking, EtOH
e. cancer

8

What is an upper GI bleed?

Bleeding above the Ligament of Trietz.

9

What is melena? What causes it?

Black, stinky poo. It is cause by an upper GI bleed.

10

Does a duodenal ulcer feel better or worse after eating? Gastric ulcer?

Duodenal: pain Decreases with meals.

Gastric: pain is Greater with meals.

11

What is the gene related to Wilson's? What test indicates Wilson's? What is the only treatment? Symptoms?

Gene: ATP7B
Test: decrease in ceruloplasm
Treatment: liver transplant, D-penicillamine chelation
Symptoms:

12

Cellular ballooning is indicative of what?

NAFLD.

13

Tell me 4 things about Hirschsprung's?

a. deletion of chromosome 10 of RET proto-oncogene
b. codes for proteins that help nerves
c. only affects colon
d. affects mesenteric ganglia

14

What is the hemochromatosis triad?

a. cirrhosis
b. bronzing
c. diabetes

15

What anti-bodies are involved in AIH?

a. ANA
b. ASMA