appetite regulation Flashcards

1
Q

carbon dioxide production/oxygen usage

A

respiratory quotient (tissues)

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2
Q

carbon dioxide output/oxygen uptake

A

respiratory exchange ratio (lungs)

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3
Q

90% protein nitrogen eliminated via

A

urine

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4
Q

what control hunger/appetite and satiety

A

hypothalamus

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5
Q

lateral nuclei serve as

A

feeding center (lesion cause inanition)

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6
Q

ventromedial nuclei serve as

A

satiety center and inhibits the feeding center (lesions cause hyperphagia)

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7
Q

fats and carbs cause ___ release and inhibit eating

A

CCK and insulin

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8
Q

intestinal release of _____ inhibit feeding

A

peptide YY (PYY) and glucagon like peptide (GLP)

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9
Q

___ stimulates eating

A

ghrelin

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10
Q

released from oxyntic cells of stomach

A

ghrelin

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11
Q

decreased body temperature ___ hunger

A

increases

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12
Q

increased energy sotres inhibit food intake. leptin, released from fat cells, ___ appetite

A

reduces

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13
Q

most obese people are not leptin deficient but instead ____

A

leptin resistant

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14
Q

anorexogenic

A

decrease feeding

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15
Q

orexogenic

A

increase feeding

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16
Q
neuropeptide Y (NPY)
agouti related peptide (AGRP)
enodrphins, endocannabinoids
cortisol
ghrelin
A

increased feeding (orexogenic)

17
Q
alpha-melanocyte stimulating hormone 
insulin and GLP
leptin
CCK
norepinephrine
A

decreased feeing (anorexogenic)

18
Q

restriction food intake causes an increase in ___ and decrease in ____

A

increase: hunger hormone ghrelin
decrease: satiety hormones leptin, PYY, CCK, insulin

19
Q

decreases in absorption of fat soluble vitamins, soft stools and anal leakage

A

orlistat

20
Q

increases serotonin in brain and is associated with pulmonary hypertension and valvulopathy

A

fenfluramine

21
Q

blocks voltage dependent Na channels, augments of activity at some subtypes of GABA A receptors

A

topiramate

22
Q

opioid recepter antagonist (antidepressant)

A

naltrexone

23
Q

inhibits synaptic dopamine, NO

A

bupropion

24
Q

opposite of obesity (extreme weight loss)

A

inanition

25
Q

decreased appetite (CNS mechanisms)

A

anorexia

26
Q

severe metabolic disorder of increased energy use and wasting
- cancer, aids, cytokines IL 6

A

cachexia

27
Q

scaliness of skin, failure of growth in young animals, failure of reproduction, keratinization of the cornea

A

vit a def.

28
Q

causes lesions of the CNS and PNS (polyneuritis)

A
thiamine def (B1)
- beriberi
29
Q

weakness and poor smooth muscle/gland function; severe cases cause the disease pellagra

A

niacin def.

30
Q

replicating cell types; red blood cells (pernicious anemia)

A

B12 def.

31
Q

anemia

A

folic acid def.

32
Q

scurvy, breakdown of connective tissue and poor wound healing

A

vit c def.

33
Q

rickets

A

vit d def.

34
Q

deficiency induced pathology

A

vit e def.