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23 Cards in this Set

  • Front
  • Back
location produced?
stimulus of secretion?
produced in stomach
secreted in response to stomach stretch, vagal stimulation, AAs
function: increases H+ secretion
stimulus of secretion?
secreted in response to H+ and FAs entering the duodenum
functions to increase HCO3- release from the pancreas and to inhibit H+ release
VIP - vasoactive intestinal peptide
location produced?
secreted by smooth muscle and nerves of intestines
functions to inhibit H+ secretion and cause relaxation of intestinal smooth muscle
contraction of gallbladder and pancreas secretion of enzymes
released in response to AAs and FAs entering the duodenum
projectile vomiting seen in what condition?
pyloric stenosis
liver and pancreas are derivates of what?
true diverticulum in the ileum
meckel's diverticulum
persistent remnant of the vitelline duct
GI association with Downs?
duodenal atresia - double bubble sign on XRY
stimulators of HCl secretion?
gastrin, histamine, vagal stimulation
released from parietal cell of stomach fundus
pepsinogen secreted by what?
secreted by chief cells
converted to pepsin in the low pH of the stomach - begins protein digestion
boerhaave's syndrome
complete rupture of the esophagus, caused by severe retching
GERD predisposes
coffee ground vomitus
seen in acute gastritis with hemorrhage
chronic gastritis
clinical features?
type A - fundal, autoimmune pernicious anemia, aging
type B - bacterial (h. pylori)
nonerosive; mucosal atrophy and inflammation
risk factor for gastric carcinoma
lactose intolerance is due to what?
lactase defiiciency
hartnups disease
defect in the intestinal and renal absorption of neutral AAs leading to excretion of tryptophan derivatives and causing pellegra like symptoms (niacin is a tryptophan derivative)
bile salts and vitamin B12 are specifically absorbed where?
triple therapy for H pylori?
proton pump inhibitor (e.g. omeprazole) + 2 of the following abx: metronidazole, clarithromycin, amoxicillin
large bowel obstructions are usually a result of what?
small bowel obstructions are usually caused by what?
leading cause of food-borne diarrhea in the US
campylobacter jejuni
causes bloody diarrhea, fever. self limited but may persist for weeks
most common cause of diarrhea in infants?
diarrhea seen in immunocompromised pts (esp AIDs pts)
which IBD may have toxic megacolon
ulcerative colitis