Gastric Physiology

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Can you name the Gastric Physiology?

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these cells produce pepsinogen and gastric lipase
P/D1 cells release what hormone?
made by the S cells of the duodenum
T/F: Rate of gastric emptying increases with rectal and colonic distention.
occurs due to a defiency in vitamin B12, which inhibits the body's ability to go through erythropoesis
These cells in the stomach are activated by the H+ions in the stomach to reduce the release of gastrin
these cells produce gastrin
T/F: Prilosec or Omeprazole acts at the basolateral membrane of the parietal cell.
2 causes of peptic ulcers
T/F: An increase in pH (basicity) slows gastric emptying.
The movement of Cl into the parietal cell is coupled to the movement of which ion out of the cell?
T/F: In some cases of peptic ulcer disease, acid from the stomach erodes the D cells of the stomach preventing the brake mechanism for acid production.
this hormone acts at the hypothalamus to suppress appetite
failure of the pyloric sphincter to relax for gastric emptying... leads to projectile vomiting
Secretin ____ (promotes or inhibits) gastric emptying
___ are hormones released by the duodenum and cause feedback on stomach to decrease gastric emptying and secretions
which two products of oxidative phosphorylation are important for the production of stomach acid.
Peptide tyrosine-tyrosine (PYY) and glucagon like peptide (GLP1 and GLP2) ____ (stimulates/inhibits) gastric emptying
pespinogen and HCl are released into the lumen of the stomach... where is histamine released?
T/F: Ileal fat increase gastric emptying.
T/F: After a large meal, the alkaline tide (removal of bicarbonate from the parietal cell) causes an increase in the pH of the blood.
made by the I cells of the duodenum
T/F: ECL cells can be activated by acetylcholine or gastrin
T/F: Ghelin is released during fasting which stimulates appetite
essential for binding and absorption of vitamin B12
prilosec or omeprazole acts by inhibiting what?
The superficial epithelial cells along with which other cell type in the stomach act to lubricate and protect the stomach wall?
Nutrients in the ileum and the colon influence gastric emptying through the _____ mechanism
enzyme important for the production of protons and bicarbonate in the parietal cell
T/F: The parietal cell can be activated by Acetylcholine, histamine, or gastrin.
Which histamine receptor is found on the basolateral membrane of the parietal cell?
The gland of the stomach is known an ____ gland.
CCK ____ (promotes or inhibits) gastric emptying
P/D1 cells are located where?
what activates pepsinogen?
Cl ions are transported into the parietal cell using which type of transport protein?
severely delayed gastric emptying or no emptying
this hormone acts on the G cell in the antrum of the stomach to inhibit the release of gastrin
T/F: Proton pump inhibitors bind irreversibly to the H/K proton pump.
responsible for getting H+ ions into the lumen of the stomach
All stomach cell types are activated by the neurotransmitter (from the enteric nervous system) Acetylcholine, except which cell?
Hypoglycemia ___ (increase or decreases) gastric emptying.
H2 blockers prevent the binding of ____ to prevent the production of acid.
How does potassium get out of the parietal cell?
these cells produce histamine
T/F: Large volumes in the stomach increase gastric emptying
2nd messenger involved in activation of the parietal cell
these cells produce somatostatin
T/F: The stomach is the major site for digestion.
T/F: Tagemet and cimetidine prevent acid production by blocking H1 histamine receptors
Cl ions are transported into the lumen of the stomach using which type of transport protein?
these cells produce HCl and intrinsic factor
occurs due to uncontrolled gastric emptying due to the lack of feedback inhibition by the duodenum and undigested food makes it to the colon
leptin is release by which type of tissue?
This type of drug inhibits prostaglandin related defense mechanisms within the stomach

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Created Mar 25, 2012ReportNominate