GI: Part 1

Question 1

what is the order of the GI cell and hormone activation?

Answer 1

G cells – gastrin – ECL cells – histamine – H2 receptors – parietal cells – HCl – chief cells – pepsinogen – pepsin

Question 2

what are H2 antagonist?

Answer 2

works on the parietal cells to block activation, decreases stomach acid

Question 3

what are PPIs?

Answer 3

work on the parietal cells to decrease HCl production

Question 4

what is the role of cholecystokinin (CKK)?

Answer 4

stimulates the gallbladder to contract and release bile
slows the release of chyme from the stomach to give intestines time to digest