Gastro Physio

Question 1

Sympathetic stimulations

slows/promotes GI motility

Answer 1

Slows

Dec motility
Dec secretions
Inc constriction of sphincters

Question 2

Parasympathetic (acetylcholine)

Answer 2

Ince motility, secretion, dec constriction

Question 3

Stretch of GI muscles: vagal stimulation

Answer 3

Inc secretions, inc motility, dec constriction

Question 4

Exocrine gland secretes into

Answer 4

Duct

Question 5

Endocrine secretes into

Answer 5

Blood

Question 6

Paracrine cells

Answer 6

Cell next to it (cell to cell)

Question 7

secretin

Answer 7

Produces bicarb from pancreas and liver
80-90% of pnacreatic cells secretes bicarb
Inhibits acid

Question 8

CCK

Answer 8

When fat reached duodenum, makes pancreas secrete lipase and GB secrete Bile

Question 9

Nunber 1 stimulus for gastrin secretion

Answer 9

Stomach distention

Question 10

Fluid formation from an acinus to make saliva is what kind of pump?

Answer 10

Chloride Pump

Question 11

Parasympathetic and Sympathetic both stimulate salivary secretions T/F

Answer 11

True

Parasympathetic: thinner and more quantity

Question 12

Saliva has was kind of immunoglobulin

Answer 12

IgA

Question 13

Dry eyes, dry mouth, dyspareunia

Answer 13

Sjorgen’s

Question 14

Chief cells secrete

Answer 14

Pepsin

Question 15

Parietal cells

Answer 15

Intrinsic factor, HCl,

Question 16

IF combines with Vitamin what?

Answer 16

B12

Question 17

Vitamin B12 is reabsorbed in the

Answer 17

Distal ileum

Question 18

Mucous neck cells secrete

Answer 18

Bicarbonate

Question 19

What anaemia develops from lack of Vitamin B12

Answer 19

Pernicious Anemia

Question 20

inhibits parietal cell

Answer 20

Somatostatin

Question 21

Site of si PPIs

Answer 21

hk-atpASE

Question 22

CCK is secreted by

Answer 22

i CELLS

Question 23

Increased in ZES

Answer 23

Gastrin

Question 24

Gastrin is produced by

Answer 24

G cells

Question 25

Cholecystokinin is produced by

Answer 25

I cells in the duodenum, jejunum

Question 26

Secretin is produced by

Answer 26

S CELLS IN THE Duodenum

Question 27

Action of Secretin

Answer 27

Inc pancreatic bicarb excretion, dec gastrin

Question 28

Somatostatin is produced by

Answer 28

D cells of pancreatic islets

Question 29

Action of Somatostatin

Answer 29

dec all secretions

Question 30

3 that stimulate gastric parietal cell

Answer 30

Ach, Gastrin ), Histamine (act cAMP)

Question 31

Only gland Located at the duodenal mucosa

Answer 31

Brunner’s gland

Question 32

Trypsinogen is activated by

Answer 32

enterokinase/enteropeptidase

Question 33

Absorption sites
Iron
Folate
B12

Answer 33

Iron Duodenum
Folate B9 Jejunum
B12 Cobalamin Ileum

Question 34

encapsulated lymphoid tissue found in the lamina propria that has M cells taking up antigen and B cells that secrete IgA

Answer 34

Peyer’s Patience has to

Question 35

Urobilinogen releases in the faces as _____ which is responsible for feces color

Answer 35

Stercobilin