GI Secretions Flashcards
1
Q
Where in the GI is the secretion site for gastrin? What cells secrete it?
A
gastric antrum, duodenum; G cells
2
Q
Where in the GI is CCK secreted from? What are the cells that secrete it?
A
cells lining the duodenum; I cells
3
Q
Where in the GIP is GLP secreted from? What are the cells that produce it?
A
duodenum; K cells (GLP-1 L cells)
4
Q
Where in the GI is motilin secreted from? What are the cell type that secretes it?
A
small intestine M cells
5
Q
Actions of gastrin production?
A
inc. gastric H+ secretion
6
Q
Actions of somatostatin secretion?
A
dec. secretion of most GI hormones
7
Q
Actions of CCK?
A
inc. pancreatic enzyme & HCO-3 secretion
8
Q
Actions of secretin?
A
- inc. pancreatic HCO3-
- dec. gastric H+ secretion
9
Q
Actions of GIP?
A
- inc insulin release
- dec gastric H+ secretion
10
Q
Actions of motilin?
A
- inc GI motility
11
Q
Secretin is secreted by what cells and where is it found?
A
S cells lining the duodenum
