Brainscape's Knowledge GenomeTM

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


See full index

MSS - GI Exam 2 > Hunger and Satiety > Flashcards

Hunger and Satiety Flashcards

1
Q

CNS hunger centers

A

arcuate nucleus of hypothalamus

satiety - VMN, PVN
hunger - lateral hypothalamus

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

inhibitory pathway

A

POMC/CART pathway
aka melanocortin

anorexigenic

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

stimulatory pathway

A

AGRP/neuropeptide Y pathway
aka NPY pathway

orexigenic

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

MC4 receptors

A

mutation linked to obesity

-involved in inhibitory pathway

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

stimulation of inhibitory pathway

A

insulin, leptin, CCK

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

AgRP

A

MC4 receptor antagonist

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

stimulation of stimulatory pathway

A

ghrelin

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

vagal control

A

vagal afferents signal satiety and decreased feeding

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

insulin

A

decreases appetite

type I diabetics - don;t have this, increased food intake

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

leptin

A

from adipose tissue
-stimulate melanocortin pathway and inhibit NPY pathway

inhibit feeding and stimulate energy usage

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

obesity

A

leptin resistance

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

CCK

A

from duodenal mucosa with lots of fat

inhibit feeding (vagal CCK1 receptors)
inhibit gastric empyting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

peptide YY

A

released from L cells in ileum and colon

inhibit gastric emptying and seretion
promote satiety

inhibit NPY and activate POMC

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

ghrelin

A

from oxyntic cells of stomach in response to fasting

increase appetite
stimulate NPY

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

GLP-1

A

inhibit food intake

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

OXM

A

inhibit food intake

17
Q

PP

A

inhibit food intake

18
Q

childhood obesity

A

mutation of MC4 receptor

19
Q

leptin and obesity

A

high levels and resistance

20
Q

PYY and obesity

A

low serum levels

21
Q

ghrelin and obesity

A

low in obesity - does not drive hunger

increases after dieting
decreases after gastric bypass

22
Q

serotonin and NE reuptake inhibitors

A

for obesity

increase feeling of satiety

23
Q

bariartic surgery

A

jejunoileal bypass
gastric pouch
lap band

MSS - GI Exam 2 (11 decks)

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