September 3, 2015 - GI Physiology (Coderre)

Question 1

Secretion of Fluid - Ion

Answer 1

Mediated by Cl-

Question 2

Absorption of Fluid - Ion

Answer 2

Mediated by Na+

Question 3

To Digest Fat You Need…

Answer 3

1. Liver/bile ducts
2. Pancreas
3. Intact small bowel for absorption of FFA from micelles
4. Intact terminal ileum for re-absorption of bile salts

Question 4

Absorption of Fat

Answer 4

Throughout the small intestine, but largely in the jejunum.

Question 5

Absorption of Bile Salts

Answer 5

In the terminal ileum.

Question 6

Lipase and Pancreatitis

Answer 6

Elevated in acute pancreatitis (3x), but often not elevated in chronic pancreatitis.