Gastroenterology Flashcards
1
Q
Which hormone is responsible for gallbladder contraction and pancreatic enzyme secretion?
A
Cholecystokinin ( CCK )
2
Q
Describe the functions of gastrin. ( 3 )
A
Enhancing:
- Gastric mucosal growth
- Gastric motility
- Secretion if HCl into the stomach
3
Q
Where are the G-cells ( neuroendocrine cells which are responsible for the synthesis and secretion of gastrin ) found?
A
Primarily found in the pyloric antrum.
Can also be found in the duodenum and the pancreas.
4
Q
Which gene is responsible for Familial Adenomatous Polyposis ( FAP )?
A
Loss if the APC gene on the long arm of chromosome 5
5
Q
Where is Cholecystokinin made?
A
In the I cells of duodenum, jejunum and enteric nerves
6
Q
Where is gastrin released?
A
Gastrin is released by the G cells of the gastric antrum and duodenum
7
Q
Which cells secrete secretin?
A
S cells of the granular mucosa of the duodenum
