Gastroenterology Flashcards
1
Q
Name 3 secretagogues that activate parietal cells in the stomach.
A
- Ach
- Histamine
- Gastrin
2
Q
Parietal cells: Name the respective receptors for Ach, histamine, and gastrin?
A
Ach: M3 receptor
Histamine: H2 receptor
Gastrin: CCK-B receptor
3
Q
Where is bile salt reabsorbed in the intestines?
A
Ileum
4
Q
Hepatocytes synthesize two primary bile acids from cholesterol. Name it.
A
Cholic acid
Chenodeoxycholic acid
5
Q
Primary bile acids are then dehydroxylated by intestinal bacteria. Name the two most abundant secondary bile acid.
A
Deoxycholic acid
Lithocholic acid
