GI Flashcards
1
Q
how much water is absorbed by the GI tract?
A
98%
2
Q
How much water is lost through stool daily?
A
~200ml/day
3
Q
Where in the small intestine does most water absorption take place?
A
Jejunum
4
Q
How much water is absorbed in the small intestine?
A
~80%
5
Q
How much water passes through the GI tract each day, on average? What percentages of different substances?
A
~9L/day
- Food & drink: ~2L
- Pancreatic secretions: ~0.8L
○ Saliva: ~1.5L - Intestinal secretions: ~2L
○ Gastric secretions: ~1.5L - Colonic mucous secretions: ~0.2L
○ Bile: ~0.8L
