Science Quiz / Gastric Physiology

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Can you name the Gastric Physiology?

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

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