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27 Cards in this Set
- Front
- Back
_________ nervous system is the main factor in saliva secretion
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parasympathetic
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omeprazole inhibits the parietal cell ___________ pump
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K+/H+
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The _______ cells pump H+ into the lumen and bicarb into the interstitium
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parietal
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the alkaline tide pumps HCO3- into the interstitium in exchange for _________
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Cl-
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________ and _______ ions passively move from parietal cells to the lumen
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K+ and Cl-
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What effect do H2 histamine blockers have on gastric acid secretion?
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decrease
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what is the role of PPI's?
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K+/H+ pump inhibitor decreases H+ secretion from parietal cells
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NSAIDs effect the gastric mucosa by blocking the release of ___________
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prostaglandins
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H. Pylori inhibits __________ secretion
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somatostatin
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B12 binds to __________ in the stomach and is split from it in the duodenum by __________, Next it binds to ________
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R-binder; proteases; IF
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______ is neccessary for the conversion of pepsinogen to pepsin
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H+
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somatostatin is secreted by _____ cells
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D
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Pancreatic duct cells release _______ and ________
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water; bicarb
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pancreatic acinar cells release ________
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pancreatic enzymes
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Cl- moves from the pancreatic ductal cell into the lumen through the _________ channel
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CFTR
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Secretin and Ach stimulate the movement of _________ into the pancreatic lumen
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bicarb
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Cystic fibrosis results from decreased secretion of _______ and _______
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bicarb and water
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What are the three triggers of bicarb release from the pancreatic ductal cells?
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vagus, secretin, CCK
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Pancreatic polypeptide _______ pancreatic secretions
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decreases
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what are the primary bile salts?
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cholic acid, chenodeoxycholic acid
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what are the secondary bile salts?
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deoxycholic acid, lithocholic acid
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how are mixed micelles different from simple micelles?
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mixed micelles have lipid tucked in the middle. simple micelles are empty
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conjugated bile salts are ____________ lipid soluble
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more
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most fats are absorbed by the end of the ____________
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jejunum
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secretin stimulates a net ________ of NaCl
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secretion
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during the interdigestive phase, the sphincter of odi is _________
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closed
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__________ are responsible of the conversion of primary bile salts to secondary bile salts
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intestinal bacteria
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