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17 Cards in this Set
- Front
- Back
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Pancreatic
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Influenced by glucose levels
Secreted by the Islets of Langerhans Insulin ( b cells) Amylin ( b cells) Glucagon (a cells) |
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Pancreatic
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Influenced by glucose levels
Secreted by the Islets of Langerhans Insulin ( b cells) Amylin ( b cells) Glucagon (a cells) |
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Gastrointestinal (Incretins)
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GLP-1 (glucagon-like peptide 1)
GIP (glucose-dependent insulinotropic peptide) |
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Gastrointestinal (Incretins)
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GLP-1 (glucagon-like peptide 1)
GIP (glucose-dependent insulinotropic peptide) |
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*Normal fasting blood glucose ?
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70-110
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*Normal fasting blood glucose ?
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70-110
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Glucose > 110 mg/dL
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stimulates insulin secretion
prevents hyperglycemia |
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Glucose > 110 mg/dL
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stimulates insulin secretion
prevents hyperglycemia |
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Glucose < 70 mg/dL
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stimulates glucagon secretion
prevents hypoglycemia |
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Glucose < 70 mg/dL
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stimulates glucagon secretion
prevents hypoglycemia |
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Insulin
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allows glucose to enter cells
allows glucose to enter liver inhibits release of liver glycogen inhibits fat breakdown |
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Amylin
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slows gastric emptying
promotes satiety inhibits secretion of glucagon (decreases hepatic glucose output) reduces total insulin demand |
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Glucagon
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responds to
hypoglycemia & stress promotes glucose production in liver & raises blood glucose inhibited post meals excessive in insulin deficiency |
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Incretins (GIP, GLP-1)
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stimulates insulin release
reduces glucagon production delays gastric emptying improves insulin sensitivity may increase # of new pancreatic beta cells |
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Glycogenolysis
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makes glucose from protein & fat
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Gluconeogenesis
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shuts down after meal
stores energy |
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Avaliable units of insulin
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U-40 units per mL (not in U.S.)
U-100 100 units per mL U-500 500 units per mL |
