Functions of CCK and secretin

1.      Acidic (high H⁺ level) chyme that enters the small intestine stimulates secretion of ______________by enteroendocrine S cells in the mucosa of the duodenum.

a)      Insulin

b)     Secretin

c)      Cholecystokinin

d)     Blood

e)      Acid 

2.      The major effects of ___________: Stimulates secretion of pancreatic juice and bile that are rich in HCO3 (bicarbonate ions).

a)      Gastrin

b)     Cholecystokinin

c)      Secretin

d)     Pepsin

e)      Somatostatin

3.      Partially digested proteins (amino acids), triglycerides, and fatty acids that enter the small intestine stimulate secretion of ____________________

a)      Cholecystokinin

b)     Insulin

c)      Secretin

d)     Pepsin

4.      Stimulates secretion of pancreatic juice rich in digestive enzymes, causes ejection of bile from the gallbladder and opening of the sphincter of the hepatopancreatic ampulla (sphincter of Oddi), and induces satiety (feeling full to satisfaction).

a)      Thyroid hormone

b)     Secretin

c)      Cholecystokinin

d)     Insulin

5.      Secretin and cholecystokinin are two regulatory hormones produced by

a)      The pancreas

b)     The small intestine

c)      The adrenal glands

d)     The pituitary gland

e)      The thymus