Physiology Hamra Gi Secretions

Front 1

_________ nervous system is the main factor in saliva secretion

Back 1

parasympathetic

Front 2

omeprazole inhibits the parietal cell ___________ pump

Back 2

K+/H+

Front 3

The _______ cells pump H+ into the lumen and bicarb into the interstitium

Back 3

parietal

Front 4

the alkaline tide pumps HCO3- into the interstitium in exchange for _________

Back 4

Cl-

Front 5

________ and _______ ions passively move from parietal cells to the lumen

Back 5

K+ and Cl-

Front 6

What effect do H2 histamine blockers have on gastric acid secretion?

Back 6

decrease

Front 7

what is the role of PPI's?

Back 7

K+/H+ pump inhibitor decreases H+ secretion from parietal cells

Front 8

NSAIDs effect the gastric mucosa by blocking the release of ___________

Back 8

prostaglandins

Front 9

H. Pylori inhibits __________ secretion

Back 9

somatostatin

Front 10

B12 binds to __________ in the stomach and is split from it in the duodenum by __________, Next it binds to ________

Back 10

R-binder; proteases; IF

Front 11

______ is neccessary for the conversion of pepsinogen to pepsin

Back 11

H+

Front 12

somatostatin is secreted by _____ cells

Back 12

D

Front 13

Pancreatic duct cells release _______ and ________

Back 13

water; bicarb

Front 14

pancreatic acinar cells release ________

Back 14

pancreatic enzymes

Front 15

Cl- moves from the pancreatic ductal cell into the lumen through the _________ channel

Back 15

CFTR

Front 16

Secretin and Ach stimulate the movement of _________ into the pancreatic lumen

Back 16

bicarb

Front 17

Cystic fibrosis results from decreased secretion of _______ and _______

Back 17

bicarb and water

Front 18

What are the three triggers of bicarb release from the pancreatic ductal cells?

Back 18

vagus, secretin, CCK

Front 19

Pancreatic polypeptide _______ pancreatic secretions

Back 19

decreases

Front 20

what are the primary bile salts?

Back 20

cholic acid, chenodeoxycholic acid

Front 21

what are the secondary bile salts?

Back 21

deoxycholic acid, lithocholic acid

Front 22

how are mixed micelles different from simple micelles?

Back 22

mixed micelles have lipid tucked in the middle. simple micelles are empty

Front 23

conjugated bile salts are ____________ lipid soluble

Back 23

more

Front 24

most fats are absorbed by the end of the ____________

Back 24

jejunum

Front 25

secretin stimulates a net ________ of NaCl

Back 25

secretion

Front 26

during the interdigestive phase, the sphincter of odi is _________

Back 26

closed

Front 27

__________ are responsible of the conversion of primary bile salts to secondary bile salts

Back 27

intestinal bacteria