Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

physiological psychology > exam 3: hunger > Flashcards

exam 3: hunger Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Psychology flashcards Psychology 101 flashcards GRE® Psychology flashcards
1
Q

why do we eat too much?

A

evolution, our ancestors adapted to eat fats and sugars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

explain the “what the hell” phenomena

A

humans are adapted to eat what is available (we think because our ancestors had to eat when food was available since there was no way to store it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

t or f: developed society = highly processed food

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

t or f: obesity has been steadily been increasing since the 90s

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

explain carbohydrates in fuel absorption

A

carbs break down into glucose which goes straight to the brain for energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

t or f: the brain only uses glucose for energy

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

t or f: glucose feeds into the short-term reservoir

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

explain carbohydrates in fuel absorption

A

proteins break down into amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

explain the function of the liver in the short-term reservoir

A

glycogen is stored here for easy access

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

explain the function of the pancreas in the short-term reservoir while eating

A

insulin is secreted as soon as we eat (blood sugar rises), while this is secreted, glycogen is being stored

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

t or f: we need insulin to store glycogen

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

t or f: any extra glucose is stored as fat

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

t or f: most glycogen is stored in the liver but some can be stored in muscles

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

explain the function of the pancreas in the short-term reservoir while fasting

A

secretes glucagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

explain what happens to glycerol in the long-term reservoir

A

it is broken down by fat into glucose to feed the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

explain what happens to fatty acids (steric acid, oleic acid, and palmitic acid) in the long-term reservoir

A

used for muscular energy so we can move

17
Q

t or f: fasting means there is little to no insulin present in the body

A

true

18
Q

t or f: presence of insulin allows muscles to use glucose

A

true

19
Q

the only way we can break/burn down fat is if we have low, stable ________ levels

A

glucagon

20
Q

when the body works to prevent dramatic change, including body weight

A

homeostasis

21
Q

humans are fat ________ machines and fat _________ machines

A

storing; protecting

22
Q

how are humans fat protecting machines?

A

once we gain fat it gets harder and harder to lose it, particularly true in females because estrogen influences are body to hold onto the fat

23
Q

t or f: cannot out exercise bad eating habits unless you are a professional athlete or hiking a super long mountain trail

A

true

24
Q

many research studies showed what about weight loss?

A

showed that blatant calorie restriction results in more efficient fat storage and lower resting metabolic rate, which causes cycling weight gain/loss increasing energy conservation and fat storage

25
Q

what is one ingredient to really watch out for?

A

high fructose corn syrup

26
Q

explain the ventromedial hypothalamus in hunger during the rat research study

A

concluded that this is the center for satiety because a lesion to the VMH increases insulin release and leads to increased fat

27
Q

t or f: if you stimulate the satiety area (VMH) you should eat less

A

true

28
Q

what happened to the rat in the research study when all that was lesioned was the arcuate nucleus

A

still gave a fat rat

29
Q

explain what happened when there was a lesion to the lateral hypothalamus, specifically a lesion of the axons from substantia nigra to LH to basal ganglia

A

severe motor deficits, huge decrease in eating

30
Q

t or f: the lateral hypothalamus is the center for hunger

A

true

31
Q

explain fen-phen, the artificial control of hunger

A

decreases hunger/eating, increases 5-HT, increases dopamine, decreases weight but also causes death

32
Q

explain neuropeptide (NPY) in the natural control of hunger

A

released in hypothalamus (VMH, arcuate nucleus), which bring increased levels, increasing eating

33
Q

explain ghrelin in the natural control of hunger

A

released in the stomach, increased hunger signal to brain/hypothalamus, effective through NPY receptors

34
Q

explain cholecystokinin (CCK) in the natural control of hunger

A

released by stomach, delayed signal up to brain to “stop eating”, need to wait at least 20 minutes for this link to be made (feel full, inducing satiety)

35
Q

explain leptin in the natural control of hunger

A

induces satiety, no leptin will encourage/allow fat storage

physiological psychology (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions