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GASTROINTESTINAL > Gastro Physio > Flashcards

Gastro Physio Flashcards

1
Q

Sympathetic stimulations

slows/promotes GI motility

A

Slows

Dec motility
Dec secretions
Inc constriction of sphincters

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2
Q

Parasympathetic (acetylcholine)

A

Ince motility, secretion, dec constriction

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3
Q

Stretch of GI muscles: vagal stimulation

A

Inc secretions, inc motility, dec constriction

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4
Q

Exocrine gland secretes into

A

Duct

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5
Q

Endocrine secretes into

A

Blood

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6
Q

Paracrine cells

A

Cell next to it (cell to cell)

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7
Q

secretin

A

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

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8
Q

CCK

A

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

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9
Q

Nunber 1 stimulus for gastrin secretion

A

Stomach distention

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10
Q

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

A

Chloride Pump

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11
Q

Parasympathetic and Sympathetic both stimulate salivary secretions T/F

A

True

Parasympathetic: thinner and more quantity

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12
Q

Saliva has was kind of immunoglobulin

A

IgA

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13
Q

Dry eyes, dry mouth, dyspareunia

A

Sjorgen’s

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14
Q

Chief cells secrete

A

Pepsin

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15
Q

Parietal cells

A

Intrinsic factor, HCl,

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16
Q

IF combines with Vitamin what?

A

B12

17
Q

Vitamin B12 is reabsorbed in the

A

Distal ileum

18
Q

Mucous neck cells secrete

A

Bicarbonate

19
Q

What anaemia develops from lack of Vitamin B12

A

Pernicious Anemia

20
Q

inhibits parietal cell

A

Somatostatin

21
Q

Site of si PPIs

A

hk-atpASE

22
Q

CCK is secreted by

A

i CELLS

23
Q

Increased in ZES

A

Gastrin

24
Q

Gastrin is produced by

A

G cells

25
Q

Cholecystokinin is produced by

A

I cells in the duodenum, jejunum

26
Q

Secretin is produced by

A

S CELLS IN THE Duodenum

27
Q

Action of Secretin

A

Inc pancreatic bicarb excretion, dec gastrin

28
Q

Somatostatin is produced by

A

D cells of pancreatic islets

29
Q

Action of Somatostatin

A

dec all secretions

30
Q

3 that stimulate gastric parietal cell

A

Ach, Gastrin ), Histamine (act cAMP)

31
Q

Only gland Located at the duodenal mucosa

A

Brunner’s gland

32
Q

Trypsinogen is activated by

A

enterokinase/enteropeptidase

33
Q

Absorption sites
Iron
Folate
B12

A

Iron Duodenum
Folate B9 Jejunum
B12 Cobalamin Ileum

34
Q

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

A

Peyer’s Patience has to

35
Q

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

A

Stercobilin

GASTROINTESTINAL (14 decks)

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