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SB82 GI Hormones

SB82 GI Hormones ABSITE review

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