Gastrointestinal Secretions Flashcards
5 characteristics of saliva
High bicarb High K Hypotonic Alpha amylase Lingual lipase
Salivary secretion stimuli (2)
PNS
SNS
3 inhibitors of saliva secretion
Sleep
Dehydration
Atropine
3 gastric secretions
HCL
Pepsinogen
Intrinsic factor
HCl secretion stimuli (3)
Gastrin
PNS
Histamine
Stimulus for pepsinogen secretion
PNS
Inhibitors for HCl secretion
Decreased stomach pH
Chyme in duodenum (via secretin and GIP)
Somatostatin
Atropine
Cimetidine
Omeprazole
5 components of pancreatic secretions
High bicarb
Isotonic
Pancreatic lipase
amylase
Proteases
Isotonic GI secretion
Pancreatic secretion
Hypotonic GI secretion
Saliva
2 stimuli for secretion of pancreatic amylase, lipase and protease
CCK
PNS
3 stimuli for secretion of high bicarb isotonic pancreatic secretion
Secretin
CCK
PNS
4 components of bile
Bile salts
Bilirubin
Phospholipids
Cholesterol
2 stimuli for bile secretion
CCK (gallbladder contraction, sphincter of Oddi relaxation)
PNS (gallbladder contraction)
Inhibitor if bile secretion
Ileal resection
