Exam 3

Question 1

in the GI tracts, secretin is stimulated by _________ in the __________and in response, stimulates ____________ secretion and inhibits __________ secretion.

Answer 1

Acid,fat and protein
Duodemum and Jejenum
Bicarbonate
Acid

Question 2

What hormone in the GI tract stimulates acid secretion and is stimulated by the presence of protein or a high pH?

Answer 2

Gastrin

Question 3

CKK is secreted in the ___________ and stimulates __________ enzyme secretion as well as ___________ contraction.

Answer 3

Duodenum, Jejenum, and Ileum
pancreatic
gall bladder

Question 4

What GI tract hormones are secreted in the duodenum AND the jejenumm, but no the ileum?

Answer 4

GIP

Motilin

Question 5

What is the action of the GI tract hormone motilin and how is it stimulated?

Answer 5

Induced intestinal motility during fasting

Stimulated by acytocholine

Question 6

How is GIP ( Gastric inhibitory polypeptide) stimulated and what does it do?

Answer 6

Stimulated by presence of fats and glucose

Inhibits gastrin secretion and stimultes insulin secretion