GI

Question 0

Somatostatin

Answer 0

D cells, inhibits gastric/pancreatic secretions

Question 1

How long to wait after t-tube placement before instrumentation

Answer 1

4-6 weeks to allow for tract maturation

Question 2

Gastrin

Answer 2

G cells
Triggers gastric acid secretion
Stimulated by alkaline environment

Question 3

Gastric inhibitory protein (GIP)

Answer 3

K cells

Decreases acid secretion, stimulates insulin

Question 4

Secretin

Answer 4

Released from S cells

Inhibits gastrin, stimulates bicarb secretion

Question 5

Motilin

Answer 5

Aids in GI motility, activated by acid

Question 6

Blind loop syndrome

Answer 6

Steatorrhea, diarrhea, megaloblastic anemia, malnutrition

Question 7

What is a truncal vagotomy?

Answer 7

Divide vagal trunks at level of esophagus

Question 8

What is a selective vagotomy?

Answer 8

Divide nerves of latarjet

Question 9

What is a highly selective vagotomy?

Answer 9

Divide individual fibers, preserves crows foot

Question 10

How does vagotomy change liquid emptying?

Answer 10

All types of vagotomy increase liquid emptying

Question 11

How does vagotomy affect solid emptying?

Answer 11

Truncal or selective vagotomy slow solid emptying, pyloroplasty increases it. Highly selective vagotomy has normal solid emptying.

Question 12

Type I gastric ulcer

Answer 12

Lesser curve along body of stomach. Due to decreased muscosal protection.

Question 13

Type II gastric ulcer

Answer 13

Lesser curve and duodenal. High acid secretion.

Question 14

Type III gastric ulcers

Answer 14

Prepyloric ulcer. High acid secretion.

Question 15

Type IV gastric ulcer

Answer 15

Lesser curve along cardia of stomach. Decreased mucosal protection.

Question 16

Type V gastric ulcer

Answer 16

Ulcer associated with NSAIDs