Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/23

Click to flip

23 Cards in this Set

  • Front
  • Back
gastrin
location produced?
stimulus of secretion?
function
produced in stomach
secreted in response to stomach stretch, vagal stimulation, AAs
function: increases H+ secretion
secretin
stimulus of secretion?
function?
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?
function?
secreted by smooth muscle and nerves of intestines
functions to inhibit H+ secretion and cause relaxation of intestinal smooth muscle
CCK
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?
foregut
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?
function
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
types?
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?
ileum
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?
neoplasms
small bowel obstructions are usually caused by what?
adhesions
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?
rotavirus
diarrhea seen in immunocompromised pts (esp AIDs pts)
cryptosporidium
which IBD may have toxic megacolon
ulcerative colitis