Lecture 5 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Autonomic nervous system is responsible for ensuring _____

A

Homeostasis

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

Homeostasis

A

Response to internal and external stimuli to ensure a stable environment

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

Two neuron chain (2 types)

A

Presynaptic and postsynaptic

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

Autonomic nervous system controls everything except

A

Skeletal muscle

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

Two divisions of autonomic nervous system

A

Sympathetic and parasympathetic

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

Thoracolumbar division of sympathetic

A

Pre-synaptic fibers leave spine at the level of the thoracic vertebra and upper lumbar

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

Sympathetic synapse where

A

Paravertebral (sympathetic) chain

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

Sympathetic presynaptic are

A

Short

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

Sympathetic innervates

A

walls of organs, glands, and smooth muscle

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

Sympathetic post synaptic are

A

Long, lots of branching, diffuse effects

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

Which is the fight or flight division?

A

Sympathetic

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

Fight or flight is mediated through

A

Mostly epinephrine and norepinephrine release on target organs

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

Craniosacral division of parasympathetic

A

Pre-synaptic fibers leave spine at the level of Cn 3,7,9,10 and the sacrum

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

Parasympathetic synapse where

A

In or near target organ

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

Parasympathetic nervous system innervates

A

Walls of organs, glands, and smooth muscle

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

Parasympathetic presynaptic are

A

long???

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Parasympathetic postsynaptic are

A

Short, less branching, discrete effects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which is the rest and digest division?

A

Parasympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Parasympathetic is mediated through

A

Acetylcholine release on target organs

20
Q

KNOW CHART ON SLIDE 8

A

KNOW CHART ON SLIDE 8

21
Q

ADD SLIDE 10

A

ADD SLIDE 10

22
Q

PNS neurotransmitters

A

ACH pre and post synoptically

23
Q

PNS postsynaptic receptor

A

Nicotinic

24
Q

PNS target receptor

A

Muscarinic

25
Q

SNS neurotransmitters

A

Ach in pre, varied in post

Usually norepinephrine

26
Q

SNS - eccrine sweat glands NT

A

Ach

27
Q

SNS - kidney NT

A

Dopamine

28
Q

SNS - adrenal medulla functions as

A

post-synaptic neuron

29
Q

Varicosites

A

ANS ganglia form varicosities where NTs are stored

30
Q

NTs are stored where?

A

In large vesicles with other neurotransmitters (ATP, VIP, etc.)

31
Q

Neurotransmitters released onto _____ and multiple places

A

smooth muscle

32
Q

CASE QUESTION (13)

A

CASE QUESTION (13)

33
Q

Both divisions of the ANS have _____ receptors on their post-synaptic nerves

A

Nicotinic

34
Q

Pre-synaptic neuron releases _____ on post-synaptic nerve

A

Ach

35
Q

PNS - muscarininc receptors on target organs

A

M2, M3

36
Q

M2

A

ADD DETAILS

37
Q

M3

A

ADD DETAILS

38
Q

You can live without _____, but not without _____

A

Sympathetic

Parasympathetic

39
Q

SNS - adrenergic receptors on target organs (mostly)

A

a1, a2, B1, B2

40
Q

a1

A

ADD DETAILS

41
Q

a2

A

ADD DETAILS

Usually regulate release of epic and norepi

Modulate sympathetic response via negative feedback

Mechanism?

42
Q

B1

A

ADD DETAILS

43
Q

B2

A

ADD DETAILS

44
Q

Most organs are _____ innervated by the ANS

A

Dually

45
Q

Two divisions work together to maintain _____ or get desired effect

A

Homeostasis

Usually have opposite effects

46
Q

Maximal dual innervation effect

A

Requires full stimulation by one and a full stop of stimulation by the other

47
Q

In most organs resting tone from _____ predominates

A

PNS