CNS 9: Hypothalamic Control Flashcards

1
Q

wheere are the hypothalamus and the pituitary

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

how does the hypothalamus control pathways

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

where does the hypo send hormones

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

what is the difference between hypo signalling to the posterior and anterior pituitary

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

what happens to a mouse with lesions in the VMH? why?

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

what happens to a mouse with lesions in the LH? why?

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

what arcuate cells drive feeding

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

what arcuate cells inhibit feeding

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
what happens in the fasting state: 
what does ArcNPY inhibit? 
What does it excite?
what does PVN do?
what happens to feeding?
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

overall: how does Arc NPY DISINHIBIT feeding behaviour (make you hungry)

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

what is orexin? how is it involved in feeding?

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

what is the post prandial state?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
after a meal: 
what does Arc-POMC produce and release?
what does this chemical excite? 
what does it inhibit? 
how does this affect the sympathetic system?
what happens to feeding?
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

overall: how does ArcPOMC inhibit feeding

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

what is the setpoint in feeding?

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

how does the hypothalamus infer weight?

A
17
Q

what is leptin? what does it indicate?

A
18
Q

what impact does leptin have on feeding in the ArcNPY path

A
19
Q

what impact does leptin have on feeding in the ArcPOMC pathway

A
20
Q

does your brain use leptin to signal ending a meal?

A
21
Q

how does blood glucose inhibit feeding?

A
22
Q

what do CCK, PYY, and GLP-1 do to inhibit feeding?

A
23
Q

what does ghrelin do? (Ghrelin…gremlin…wants to eat)

A
24
Q

where does ghrelin act?

A
25
Q

what stops ghrelin release?

A