Science Quiz / Gastric Physiology

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Can you name the Gastric Physiology?

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

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Created Mar 25, 2012ReportNominate
Tags:physiology

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