SB82 GI Hormones ABSITE review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Hormone produced by G cells in the antrum ______ | Gastrin
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| Target cells of gastrin are _____ cells and _____ cells | Chief parietal
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| Response to gastrin is increased ________________ (3) | HCl, intrinsic factor, pepsinogen
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| Hormone produced by D cells in the antrum ____ | Somatostatin
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| Secretion of somatostatin is stimulated by _____ in the ______ | Acid, duodenum
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| Substance used to decrease pancreatic fistula output _________ | Octreotide
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| Hormone produced by K cells in the duodenum _______ | GIP
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| Target cells of GIP | Parietal cells (decreased acid and pepsin secretion) and beta cells of pancreas (increased insulin release)
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| Hormone produced by I cells of the duodenum and jejunum _______ | Cholecystokinin
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| Secretion of CCK is stimulated by ________ and _______ | Amino acids, fatty acid chains
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| Response to CCK | Gallblader contraction, relaxation of the sphincter of Oddi, increased pancreatic enzyme secretion, increased intestinal motility
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| Hormone produced by S cells of duodenum _____ | Secretin
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| Secretion of secretin is stimulated by ______ | Fat, bile, low pH
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| Secretion of secretin is inhibited by ______ | pH > 4.0, gastrin
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| Response to secretin | Increased pancreatic bicarbonate, increased bile flow, inhibition of gastrin, inibition of HCl release
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| VIP is produced by cells in _____ and _______ | Gut, pancreas
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| Secretion of VIP is stimulated by fat and _________ | Acetylcholine
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| Reponse to VIP | Increased intestinal secretion and motility
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| VIP inhibits release of ______ | Gastrin
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| Insulin secretion is stimulated by glucose, glucagon, and ________ | CCK
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| Secretion of insulin is inhibited by ___________ and _______ | somatostatin, pancreatostatin
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| Glucagon is stimulated by the ______ cells of the pancreas | Alpha
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| Hormone secreted by islet cells in the pancreas _____ | Pancreatic polypeptide
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| Secretion of pancreatic polypeptide is stimulated by ______ | Food, vagal stimulation, other GI hormones
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| Response to pancreatic polypeptide _________ | Decreased pancreatic and gallbladder secretion
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| Hormone that is released by intestinal cells that increases intestinal motility _____ | Motilin
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| Medication that acts at the motilin receptor to decrease intestinal motility ________ | Erythromycin
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| A hormone, also known as gastrin-releasing peptide, that also increases intestinal motor activity and pancreatic enzyme secretion ________ | Bombesin
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| Hormone that is released from the terminal ileum following a fatty meal ____ | Peptide YY
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| Response to peptide YY | Inhibits acid secretion, stomach contraction, gallbladder contraction, pancreatic secretion
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| Anorexia is mediated by this brain structure _____ | Hypothalamus
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| The portion of bowel that takes 24 hours to recover is the ________ | Small bowel
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| The portion of bowel that takes 48 hours to recover is the ________ | Stomach
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| The portion of bowel that takes 3-5 days to recover is the ________ | Large bowel
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