5 - gastric secretion

Question 1

what is the role of fundus

Answer 1

storage

Question 2

what is the role of the body

Answer 2

storage, mucous, secreoin of hcl, secreiona of pepsinogne, secreion of hte intrinsic facros

Question 3

what is the role of the anturm

Answer 3

mixing/grinding
gastrin

Question 4

what are the cellular composition of gasatic glands

Answer 4

surface mucous
paritel cell
cheif cell

Question 5

what is the fucntio of the gastic pit

Answer 5

openign of the gastic glend wher the muocus is secred

Question 6

what is the cell in gastic pit

Answer 6

surface mucous cell

Question 7

wha tis the role of the chief cell

Answer 7

secrete pepsinogens

Question 8

what is the role of the parietal cells

Answer 8

hcl and intrinsic factor secretions

Question 9

what is the ph of teh stomac

Answer 9

less than 2

Question 10

what acid is in the sotmac

Answer 10

hcl

Question 11

where is the role of hte bichomane choline exchanges

Answer 11

exhcnes bicarbone for clodiren,

Question 12

wher is teh bicarbone made

Answer 12

from reacting h20 with c02 from blood

Question 13

what is the role of teh protm posttium atp ase pum

Answer 13

excens potsium into the clel with pronts out to form hcl

Question 14

how does hte cl leave the cell

Answer 14

leaky channels

Question 15

what happens to the blood ph from hcl realse ;after eating

Answer 15

slight increa whihc slowling neutlies out

Question 16

what chemcial caues protons to be relaed

Answer 16

gastrin, histamine, prosaglandins, acetylcholine

Question 17

what recetor does gastrin atttach to and what doe sit relase

Answer 17

cckb to reasle ca

Question 18

what protein kinase is used to transport calcium

Answer 18

pkc

Question 19

what recpeort is used for histamne and what happens

Answer 19

h2 recport, turns atp to camp

Question 20

what recport is used for aceklty coline and what is relased

Answer 20

m3 to relae ca

Question 21

what isthe role of protsalgindes in gastric acid section

Answer 21

to act as a inhibitor for gastric acid as work on ac

Question 22

what do pritne kinases work on

Answer 22

protin potisum pump

Question 23

what type of histeome is associed with allergy

Answer 23

h1

Question 24

what is the cause of a peptic ulcer

Answer 24

nsaids, due to decreisng prostlgy producton
h pylori bacteria

Question 25

waht type of prinetikes is pka

Answer 25

camp

Question 26

what is treatment for gastic acid desction

Answer 26

hcl inhibtion

Question 27

symptoms of stomac ulcer

Answer 27

buring pina, fatique, heartburn loss of appide, nausea, vomming, loading, burning, weightooss, dull pain

Question 28

what sithre role of alcium carbionate and other carbionate compounds

Answer 28

to reduce hcl

Question 29

what drug clasess inhib hcl secteroin

Answer 29

proton pump inhibirots muscarinic antagonists h2 receptor antagonists

Question 30

h2 receptor antagonis examples

Answer 30

cimestine and ranitidine

Question 31

muscarinic antagons

Answer 31

pirenzepine m3 selectiveq and atropine (genrelly)

Question 32

proton pump inhibitors

Answer 32

omeprazole and lansoprazole

Question 33

effect of heplocpalri

Answer 33

causes isnlfatio in mucosa, and leads to ulcer due to it producing high amoiuntes of nh3 which combines with h+ to produce nh4

Question 34

treatment for ulcer

Answer 34

2 high dose antibioitc an da ppi for 1 week

Question 35

what percent fo peple is the medical treatment for ulcerse effeciv

Answer 35

90%

Question 36

what mechanism control gastic acid secteiorn

Answer 36

neurocine, endocrine adn paracrine

Question 37

wher is gastin relased from

Answer 37

g cells

Question 38

what is teh effect of the vagus nerve in cephalic phase

Answer 38

trigger relaed of ach and g cells to release gastine which work on partilc cells

Question 39

whawt isthe the effect of gasatrin an ach on ecl cells in celpahic phase

Answer 39

release hsitamine

Question 40

cephalic phase

Answer 40

wher ehte body gets in prepearion ot start eating as a result of the smell/taste of food

Question 41

what is the gastric phase

Answer 41

when the food arrives in the stomach

Question 42

what nerve is stimuled by the digestein of food

Answer 42

valgs, relaing ach,

Question 43

what happnes whenn peptides are foundin the stomach

Answer 43

g cells relasee gastrin

Question 44

what do gastic adn ach caues relaed

Answer 44

histomin by ecl cells

Question 45

wath i the inteinal phase

Answer 45

when the food eneter the intes ad sotmac acid is redued

Question 46

waht is reled is ther eis acid in the duodeun

Answer 46

secretin

Question 47

what happesn to gastin secton if secretin ins relaed

Answer 47

it is decreaed

Question 48

what happnes if ther is fat in the duoent

Answer 48

gip is realed decreae gasting stiminum of partial cells

Question 49

what happnes to gastin section if gip is relaed

Answer 49

decreased, decrein ghcl section

Question 50

what are enterogastrones

Answer 50

hormoesn relased in resornes to acid, hypertonic soluntiosn, fatty acids, or monoglcries in the duodenum

Question 51

what is the role of the splannich reflex (enterogatric)

Answer 51

to prevent futher acid buildup in the duodeunm by reducing gastrin secreation

Question 52

how do enterogastornes work

Answer 52

inhibit gastric acid secretion reduce gastic emptying - inhigbitng hte motilty pyloric spinger

Question 53

what are exampes of enteroglas

Answer 53

secretin, cholecystokinin, gip

Question 54

what are pepsingsi ph aciteved at

Answer 54

neutrolpph

Question 55

what are peotons roel

Answer 55

incactie enyes to turn int pepsings at pnurelph

Question 56

when are pepsinges relaed

Answer 56

when ph is less then 3

Question 57

whae are pepsins reacived

Answer 57

when ph is abvoe 3

Question 58

where sit he intreici factor relaed form

Answer 58

pariteial cells

Question 59

what is the role of the gastic mucs

Answer 59

cytoproteive role protens muclas surfce from emchail injury nuertal ph, protences agisn gastic acid corrosion and pepsin digestion

Question 60

wher is gatic mcuus relaed from

Answer 60

srucface epithl cells and mucus neck clels

Question 61

what is main role of gip

Answer 61

slows down the digestion of fats to help maintain blood glucose level by reducing gastrin secretion

Question 62

role of somatatin

Answer 62

shud down acid secrtion by decrasing gasting, and histamine secreaion and inhibits pepsingoen section

Question 63

wher is somataisn secred form

Answer 63

d cells in stoahc