Overview Flashcards

0
Q

Define nervous system

A

Network of fibres permeating body, coordinating voluntary and involuntary actions.
Transmits signals
Responds quickly to changes in internal/external environment

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

Two parts nervous system

A

CNS - brain, spinal cord

PNS - peripheral nerves

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

Sensory function carried out by which neuroma

A

Afferent

(Sensory) neutrons

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

Integrative function

Processing sensory information, analysing storing causing perception carried out by which neurons

A

Interneurons

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

Motor response

Impulse carried out by

A

Motor
Efferent
Neurons

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

3 PNS sensory receptors internal environment

A

Chemoreceptors
Baroreceptors
Osmoreceptors

Autonomic

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

Role of brain in CNS

A

Receives/processes sensory info
Initiates responses
Stores memories
Generates thoughts, emotions

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

Role spinal cord CNS

A

Conducts signals to/from brain

Controls reflex activities

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

Role of motor neurons PNS

A

CNS to muscles and glands

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

Role of sensory NEURONS CNS

A

Sensory organs to CNS

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

Motor neurons 2 categories

A

Somatic NS

Autonomic NS

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

Autonomic NS two types

A

Sympathetic

Parasympathetic

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

Role somatic NS

A

Controls voluntary movements

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

Role autonomic NS

A

Controls involuntary responses

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

Which tissues does ANS affect

A

Organs
Glands
Cardiac & smooth muscles

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

Sympathetic innervates

A

Thoraco-lumbar innervation

16
Q

Parasympathetic innervates

A

Cranio-sacral innervation

17
Q

5 examples of what ANS controls

A
Rate/force heart beat
Gland activity
Vessel diameter - vasoconstriction/dilation
Bronchi construction/dilation
Pupillary construction/dilation
18
Q

Enteric NS brain of

A

GIT

19
Q

How enteric NS relate to autonomic NS

A

Functions autonomously
Regulated by ANS

interacts extensively with CNS

20
Q

Enteric links with CNS sympathetic via

A

Pre-vertebral ganglia

21
Q

Enteric links with CNS parasympathetic via

A

Vagus

22
Q

Role of sensory neurons in enteric NS

A

Monitor chemical changes via chemoreceptors
Monitors stretching via stretch receptors

Of GI Tract

23
Q

Motor neurons role in enteric NS

A

Govern motility and secretions of GI tract and ass glands

24
Q

Role of interneuro a Gi Tract

A

Connect 2 plexus was

25
Q

Enteric submucosal plexus contains

A

Sensory cells that communicate with myenteric plexus and motor fibres that stimulate secretion of fluids into the lumen

26
Q

Enteric NS myenteric plexus contains

A

Neurons that regulate enzyme output of adjacent organs

27
Q

What is an ion

A

Charged particle

28
Q

Baroreceptors measure

A

Pressure

29
Q

Osmoreceptors measure

A

Water

30
Q

Neurons communicate with 3

A

Other Neurons
Muscles
Glands

31
Q

3 functions CNS

A

Sensing
Moving
Processing

32
Q

High BP sympathetic/ parasympathetic

A

Sympathetic

33
Q

3 factors affect BP

A

Heart rate
Blood volume
Vasoconstriction

34
Q

Two locations in body for stored glucose (glycogen)

A

Liver and muscles

35
Q

short distance communication in sensory nerves called

A

graded potential

36
Q

touch excites a _ in the sensory nerve in your fingers

A

graded potential

37
Q

which nervous system can regenerate

A

only the peripheral nervous system - not the CNA

38
Q

ability for NS to change - sprouting new dendrites, changes in synaptic contacts known as

A

plasticity