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Flashcards in GI Deck (20)
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1

What inhibits gastrin?

Somatostatin and low stomach pH

2

What causes secretion of bicarbonate ions from the pancreas ?

CCK

3

What percent of cells in the GI tract secrete hormones ?

1%

4

What cells secrete CCk?

I cells

5

What inhibits gastric emptying ?

CCK

6

What causes secretion of pancreatic enzymes ?

Cck

7

What is a gastrin secretion tumor "gastronoma"

Zollinger ellison syndrome

8

Gastrin is secreted in response to what/

Eating a meal

9

What causes contraction of the gallbladder?

CCK

10

What coordinates and promotes fat digestion and absorption ?

CCK

11

What also stimulates contraction of the Gallbladder like CCK?

Motilin

12

What's major effect is stimulation of insulin

GIP

13

What inhibits the effect of gastrin on parietal cells?

Secretin

14

What is secreted by K cells?

GIP

15

What is secreted in response to glucose, aa. And fatty acids?

GIP

16

What activates pepsinogen?

Gastrin

17

What hormone promotes hydrogen secretion by partial cells which lowers stomach pH?

Gastrin

18

What increases gastric acid secretion, motility and emptying?

Ghrelin

19

Does GIP inhibit gastric secretion in humans"?

No

20

What inhibits pancreatic secretion of bicarbonate?

Pancreatic polypeptide