Hormones controlling enzymatic secretion

Question 1

Gastrin - what triggers its release and what does it do?

Answer 1

Released when there are high levels of amino acids in the stomach
stimulates acid and pepsinogen release in the stomach

Question 2

Secretin - what triggers its release and what does it do?

Answer 2

Released when there are high levels of HCL in the duodenum
causes the release of bicarbonate from the pancreas

Question 3

CCK - what triggers its release and what does it do?

Answer 3

Released when amino acids or fats are in the duodenum
causes the pancreas to secrete all enzymes