Hunger Flashcards

1
Q

glucose

A

important for bodily function, is preffered method of energy for the brain

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2
Q

glycogen

A

released between meals some in muscles, but mostly in liver, insulin helps regulate

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3
Q

glucose storage as glycogen

A

increase in blood sugar, insulin is secreted, uptake of glucose, eventually decrease in blood sugar, liver converts glycogen to glucose

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4
Q

insulin secretion

A

when blood sugar high, body secretes insulin which causes uptake of glucose by cells

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5
Q

low blood sugar = …

A

glycogen breakdown

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6
Q

datiety

A

feeling of fullness

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7
Q

NPY

A

a hunger cue that signal to your body to engage in food seeking behaviours, increase in level of activity in hypothalmus

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8
Q

CKK

A

responsible for short term satiety released from small intestine, acts on brain

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9
Q

adipose tissue is an

A

organ

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10
Q

leptin

A

influences hunger and satiety, adipose tissue secretes leptin, OB gene regulates leptin production.

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11
Q

leptin resistance

A

not in humans

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12
Q

leptin and NPY

A

interact to regulate the weight to optimal levels. leptin inhibits NPY actions. leads to decreased appetite

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13
Q

NPY promotes increase _____ consumption

A

carb

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14
Q

endogenous opioids

A

morphine-like actions within the body, Naloxone decreases intake of saccharin, sucrose, and saline by blocking opioids

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15
Q

body protects itself from …

A

weight loss more than weight gain

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16
Q

universal taste response

A

sweet: smile

bitter / sour: reject, unhappy

17
Q

taste preference allows you to know …

A

what is safe to eat

18
Q

taste sensitivity

A

can be due to the number of tastebuds

pregnant women are especially sensitive to sweet and bitter especially in the first tri.

19
Q

taste + smell =

20
Q

sweet

A

energy rich

21
Q

salt

A

essential electrolytes

22
Q

sour / bitter

A

warn of spoiled or harmful food

23
Q

umami

24
Q

each taste bud has proportion of

A

all 5 taste receptors on it

25
can distinguish about _____ smells
10 000
26
odorant molecules in air bind to
smell receptors
27
1 smell receptor recieves input from ____ cilia
10 - 20
28
a specific cell activates
a unique pattern of firing across olfactory receptor cells
29
what is the "alarm bell" that is important for survival
amygdala
30
brain responds to eating very similar to
addictive stimuli
31
food is engineered to be
irresistable
32
more developed a population means
increased obesity
33
social factors influence
portion size and speed on consumption
34
bottomless soup eat ~___% more
50
35
increased BMI = _____
decreased dopamine receptors
36
olfactory bulb
area of the brain where the smell is first transduced from a chemical signal to an electrical signal. contains glomeruli