which digestive process can only occur when digestion is effectively done?
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absorption
describe the glucose-dependent insulinotropic peptide (GIP) intestinal phase
hormone and how it works
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-release is stimulated by glucose, fatty and amino acids
-stimulates insulin release
-may also inhibit acid release
**stimulates insulin in advance to keep BS spike from being as high
what is bile used for?
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bile- need for fat digestion/breakdown
(constantly made in liver, excess stored in gall bladder for large fat meals)
what are 3 characteristics of the structure of the inner mucosa layer?
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- inner lining (villi, microvilli, mucosal folds = lg surface area)
-epithelial cells (tight junctions)
-glands (secretions
secretion has many locations in the digestive system, explain this
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, into GI tract, into cells, into blood
(anything being secreted by a cell)
what are the 4 digestive properties of the cephalic phase and what happens in each?
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1. motility- swallowing/chewing
(upper/lower esophageal sphincters)
2. secretions- saliva, amylase(carbs), lipase(lipids)
3. digestions- carbohydrates, minor fats
4. absorption- none
How many L/day are due to secretions?
How many L/day are due to food/H2O intake?
How many L of the total is absorbed in sm. intestines alone?
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7 L for (water, enzymes, mucus) (**why vomiting/diarrhea can be
dehydrating)
2 L for (food, water)
7.5 L
what does the mucosa layer of the GI tract wall contain?
Give this one a try later!
Give this one a try later!
absorption
describe the glucose-dependent insulinotropic peptide (GIP) intestinal phase
hormone and how it works
,Give this one a try later!
-release is stimulated by glucose, fatty and amino acids
-stimulates insulin release
-may also inhibit acid release
**stimulates insulin in advance to keep BS spike from being as high
what is bile used for?
Give this one a try later!
bile- need for fat digestion/breakdown
(constantly made in liver, excess stored in gall bladder for large fat meals)
what are 3 characteristics of the structure of the inner mucosa layer?
Give this one a try later!
- inner lining (villi, microvilli, mucosal folds = lg surface area)
-epithelial cells (tight junctions)
-glands (secretions
secretion has many locations in the digestive system, explain this
Give this one a try later!
, into GI tract, into cells, into blood
(anything being secreted by a cell)
what are the 4 digestive properties of the cephalic phase and what happens in each?
Give this one a try later!
1. motility- swallowing/chewing
(upper/lower esophageal sphincters)
2. secretions- saliva, amylase(carbs), lipase(lipids)
3. digestions- carbohydrates, minor fats
4. absorption- none
How many L/day are due to secretions?
How many L/day are due to food/H2O intake?
How many L of the total is absorbed in sm. intestines alone?
Give this one a try later!
7 L for (water, enzymes, mucus) (**why vomiting/diarrhea can be
dehydrating)
2 L for (food, water)
7.5 L
what does the mucosa layer of the GI tract wall contain?
Give this one a try later!
