Week 2 Pbd

Front 1

bicarbonate is secreted by __ cells?

Back 1

epithelial cells

Front 2

what stimulates release of bicarbonate?

Back 2

acetylcholine

Front 3

what make the mucus layer alkaline?

Back 3

bicarbonate

Front 4

what is the thickness of the mucus and bicarbonate layer?

Back 4

0.2 MM thick

Front 5

__ is a glycoprotein that is secreted by the parietal cells of the stomach

Back 5

intrinsic factor

Front 6

what is required for absorption and binding of B12

Back 6

intrinsic factors

Front 7

the exocrine pancrease:

the pancreas is also an endocrine organ secreting hormones

it plays a role in __ and ___ metabolism

Back 7

lipid and carbohydrate

Front 8

what kind of hormones does the endocrine pancreas secrete?

Back 8

insulin and glucagon

Front 9

what does the endocrine pancreas maintain?

Back 9

normal blood glucose concentration

Front 10

cells in the exocrine and endocrine pancreas are arranged in grape-like clusters called ___

Back 10

acini

Front 11

what do acini secrete?

Back 11

the enzyme component of pancreatic juice

Front 12

____ are endocrine cells that secrete insulin, glucagon, somatostatin and pancreatic polypeptide

Back 12

islets of langerhans

Front 13

the substances produced by the acini (the enzyme component of pancreatic juice) are drain into the ___

Back 13

duodenum

Front 14

what kind of cells line the ducts and produce the fluid component of the pancreatic fluid?

Back 14

columnar epithelial cells

Front 15

what do the endocrine cells, the islet of langerhans secrete?

Back 15

insulin, glucagon, somatostatin, and pancreatic polypeptide

Front 16

how much pancreatic juice is secreted per day?

Back 16

1 kg

Front 17

pancreatic exocrine juice is composed of what two types of components

Back 17

aqueous components (secreted by columnar epithelial cells that line the ducts) and enzyme component(helps to digest carbs, proteins, and fats secreted by acinar cells)

Front 18

what are the three neural and hormonal signals that control pancreatic secretion?

Back 18

cholinergic stimulation, secretin, CCK-cholecystokinin

these signals are triggered by the presence of acid and digestion products in the duodenum

Front 19

enzyme components of pancreatic juice:

secretions of __ cells and cells of the ___ make up the enzyme component of the exocrine juice composed

Back 19

acinar cells and cells of the intercalated ducts make up the enzyme components

Front 20

what component of the exocrine juice excreted by the pancrease is secreted by columnar epithelial cells that line the ducts?

Back 20

aqueous component

Front 21

proteases in pancreatic juice:

Proteases are secreted in zymogen form in the pancreas:

what are the three?

Back 21

trypsinogen, chrmotrypsinogen, procarboxypeptidase

Front 22

what component of the exocrine juice excreted by the pancrease is secreted by acinar cells and is used to help digest carbohydrates, proteins, and fats?

Back 22

enzyme components

Front 23

proteases in pancreatic juice:

Proteases are secreted in zymogen form in the pancreas:

what converts trypsinogen to trypsin?

Back 23

enterokinase in the intestine

Front 24

proteases in pancreatic juice:

Proteases are secreted in zymogen form in the pancreas:

what converts chymotrypsinogen to chymotrypsin?

Back 24

trypsin in the intestine

Front 25

proteases in pancreatic juice:

Proteases are secreted in zymogen form in the pancreas:

what converts procarboxypeptidase to carboxypeptidase?

Back 25

trypsin in the intestine

Front 26

what are the three proteases in pancreatic juice that is secreted in zymogen form?

Back 26

trypsinogen, chymotrypsinogen, procarboxypeptidase

Front 27

the major proteases in the intestine are ___,__, and ___

Back 27

trypsin, chymotrypsin, carboxypeptidase

Front 28

what major proteases are secreted by the intestine catalyzes the breakdown of dietary proteins to peptones, peptides and amino acids

Back 28

trypsin, chymotrypsin

Front 29

what major proteases are secreted by the intestine that cleaves peptides from the N and C terminal

Back 29

carboxypeptidase

Front 30

the major lipases that are in pancreatic juices are __,__,___

Back 30

triacylglycerol hydrolase, cholesterol ester hydrolase, phospholipase A2

Front 31

what is produced primarily by the columnar epithelial cells that line the pancreatic ducts and is enriched with bicarbonate

Back 31

aqueous component of pancreatic juice

Front 32

as rate of secretion of pancreatic juice increases, what happens to HCO3 and Cl, and K, and Na

Back 32

HCO3 increases,
Cl decreases
Na remains high through out secreation rates and K remains low through out secreation rates

Front 33

___ is where food is chewed and not swallowed

Back 33

sham feeding

Front 34

__nerve impulses stimulate pancreatic secretion

Back 34

vagal

Front 35

___ induces secretion of a low volume of pancreatic juice with a high protein content

Back 35

sham feeding