Science Quiz / Gastric Physiology

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Can you name the Gastric Physiology?

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

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Created Mar 25, 2012ReportNominate

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