500X 1000X Name the organ from which these slides were prepared.

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Name the organ from which these slides were prepared.

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Pancreas

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Name the island of tissue at the center of each picture.

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Islet of Langerhans

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Name the cells located in the Islets of Langerhans

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Alpha cells, Beta cells, Delta cells

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What do the alpha cells produce?

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Glucagon

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What do the beta cells produce?

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Insulin

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What do the delta cells produce?

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Somatostatin

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What are these cells called ?

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Acinar cells

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Are acinar cells endocrine or exocrine in function?

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Exocrine

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What is the exocrine function of acinar cells?

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Acinar cells secrete digestive enzymes. Name a digestive

enzyme seceted?

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Trypsinogen and chymotrypsinogen

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What is the endocrine function of the pancreas?

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Secrete insulin, glucagon, and somatostatin

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Name the hormone that causes a decrease in plasma glucose.

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Insulin

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Name the hormone that causes an increase in plasma glucose.

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Glucagon

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Name the hormone that causes an increase in intracellular sugar.

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Insulin

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Name the hormone that causes a decrease in intracellular sugar.

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Glucagon

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Name the hormone that stimulates secretion of pancreatic digestive enzymes.

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Cholecystokinen

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Name the hormone that works antagonistically to glucagon.

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Insulin

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Name the hormone that stimulates the production of pancreatic fluid.

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Secretin

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What does the pancreatic fluid contain?

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Water, bicarbonate, and zymogens

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What are zymogens?

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Enzymes in their inactive form.

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Why must enzymes be in an inactive state while in the pancreas?

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They would eat the pancreatic duct before they arrive in the small intestine.

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Name the activated enzymes that enter the small intestine from the pancreas and what

they digest.

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Pancreatic amylases digest starch Pancreatic lipases digest lipids

Pancreatic proteases digest proteinPancreatic nucleases digest nucleic acids

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Insulin deficiency results in what disease?

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Diabetes mellitus

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What is the grown up name for high blood sugar?

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Hyperglycemia

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What is the name for low blood sugar?

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Hypoglycemia