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Physiology - Test III - GI
All questions for the GI portion.
12
Physiology
Graduate
04/22/2011

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Cards

Term
What are the hormones of the GI system?
Definition
gastrin, CCK, secretin, peptide YY, GIP, and motilin
Term
What are the paracrines of the GI system?
Definition
somatostatin and histamine
Term
What are the neurocrines of the GI system?
Definition
enkephalins, GRP, and VIP
Term
What potentiates gastrin?
Definition
histamine
Term
What potentiates CCK?
Definition
secretin
Term
What are the three major salivary glands?
Definition
parotid, sublingual, submandibular
Term
What is secreted by the oxyntic gland mucosa?

Where are they located?
Definition
acid, pepsinogen, intrinsic factor, and mucus

proximal stomach
Term
What is secreted by the pyloric gland mucosa?

Where are they located?
Definition
secrete mostly gastin, some mucus and pepsinogen

distal stomach
Term
What enzyme does gastrin stimulate in parietal cells?

What kind of receptors does it work on?
Definition
PLC

CCK-B
Term
What enzyme does histamine stimulate in parietal cells?

What kind of receptors does it work on?
Definition
AC

H-2
Term
What kind of receptors does Ach work on?
Definition
M3
Term
What is the osmolarity of plasma, ISF, and ECF compartments?
Definition
Each is equal to about 295 mOsm/L.
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