GIT Flashcards
1
Q
which cells of stomach secrete HCL? what are the stimulus for this?
A
parietal
histamine, ACh and gastrin
2
Q
what do cheif cells secrete?
A
pepsinogen
3
Q
what is zollinger elison syndrome?
A
gastrinomas of the pancreas, stomach or duodenum
secretion of gastrin
high incidence of peptic ulcer disease.
4
Q
what % blood flow does the hepatic artery contribute to?
A
The hepatic artery contributes only 30% of total liver blood flow.
portal vein = 70%
5
Q
how are the hepatic portal vein, common bile duct, and hepatic artery arranged in the liver lobules?
A
bile duct, portal vein and hepatic artery in a triad on edge
drain into the hepatic vein in the centre.
6
Q
what is the pressure of hepatic portal system in health?
A
5-10mmHg
7
Q
what % of cardiac output goes to the liver?
A
25%
