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Physio Final IB
Ingestive Behaviors Ch 11
22
Psychology
Graduate
06/11/2009

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Cards

Term
This kind of feedback is an essential characteristic of all regulatory mechanisms
Definition
Negative
Term
Intracellular fluid is ___ volume, extracellular is _____ volume.
Definition
2/3, 1/3
Term
This is the relationship between interstitial and intracellualr fluid
Definition
tonicity
Term
for interstitial fluid: water out of cells _________, water into cells _______, equal
Definition
hyPERtonic, hyPOtonic, ISOtonic
Term
When water is lost frominterstitial fluid, it is drawn from which 2 places?
Definition
intracellular, intravascular
Term
Types of thirst: when tonicity of interstitial fluid increases, when intravascular volume decreases
Definition
osmometric, volumetric
Term
What is converted glucose?
Definition
Glycogen
Term
What do carbs have?
Definition
glycogen
Term
how many calories of carbs do the cells of liver and muscle hold?
Definition
300
Term
What fuels the conversion of glucose into glycogen?
Definition
Insulin
Term
2 things that happens when blood glucose drops?
Definition
Pancreas suppresses insulen adn scretes glucagon, glucagon converts glycogen back into glucose
Term
What breaks down protien molescules to amino acids?
Definition
Pepsin
Term
carbs are for ____ term energy, fats/triglycerides/adipose tissue are for ____ term energy
Definition
Short, Long
Term
What is the process for digesting triglycerides?
Definition
They are broken into glycerol and fatty acids (used by body cells), glycerol converted by liver into glucose (mostly reserved for brain)
Term
What happens after a meal?
Definition
glucose rises, +parasympathetic activity, pancrease stops creating glucagons, starts creating insulin, allowing all cells to use glucose, extra converted to glycogen or triglycerides
Term
Destroying this structure will stop you from eating or drinking, activating it will cause overeating
Definition
lateral hypothalamus
Term
Destroying this structure will cause overeating, activating it will suppress eating
Definition
Ventromedial hypothalamus
Term
What BMI is considered obese?
Definition
40 (2/h2)
Term
How much of metabolism is genetically determined?
Definition
40-85%
Term
This ED occurs in .5-3.7% of women, 5-21% death rate, changes NE, 5-HT, and opiods, and may be helped by antiserotinergic drugs
Definition
Anorexia
Term
This ED occurs in 1.1-4.2% of women, changes in NE and 5-HT, and can be helped by serotonin agonists
Definition
Bulemia
Term
From the Greek word for thin, transport across BBB impaired in starvation and obesity, can be resistant or deficient, makes fat mice not be fat
Definition
Leptin
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