Day 1 Nervous System

Question 1

What are the two types of nervous system

Answer 1

Central nervous system

Peripheral nervous system

Question 2

How many spinal nerves are there?

Answer 2

31 pairs
8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal

Question 3

What are the parts of the brain?

Answer 3

Cerebrum
Cerebellum
Brain stem

Question 4

What does the cerebrum comprise of?

Answer 4

Frontal, occipital, parietal and temporal

Question 5

What is the brain stem divided into?

Answer 5

Mid brain
Pons
Medulla oblongata

Question 6

What part of the brain controls muscle movement

Answer 6

Cerebral cortex

Question 7

What are Neurons

Answer 7

Conducting cells

Question 8

What are the 4 parts of a Neuron

Answer 8

Dendrite, cell body, axon and terminal

Question 9

what are neuroglia

Answer 9

Supportive cells

Question 10

What is the Hypothalmus for?

Answer 10

Endocrine system and stimulus for hormones

Question 11

What does the CNS comprise of

Answer 11

Brain and spinal cord

Question 12

What are the peripheral Nervous system

Answer 12

Sensory and motor

Question 13

What are the Sensory PNS

Answer 13

Sight, touch and hearing etc

Question 14

What does motor PNS comprise of

Answer 14

Voluntary and autonomical

Question 15

What is autonomical

Answer 15

e.g. breathing (involuntary)

Question 16

What is voluntary

Answer 16

moving hand away from hot object

Question 17

what do meninges surround

Answer 17

brain and spinal cord

Question 18

What are the three layers of meninges

Answer 18

Dura Matter (outside layer)
Arachnoid
PIA

Question 19

what is CSF

Answer 19

Cerebro-spinal-fluid

Question 20

What is CSF for

Answer 20

Supporting and protecting

Question 21

How many spinal nerves are there?

Answer 21

31 Pairs of spinal nerves

Question 22

What is the brainstem used for?

Answer 22

Respiratory drive centre

Question 23

What is the cerebellum

Answer 23

Mini brain underneath big brain (balance and posture)

Question 24

Were does the spinal cord end?

Answer 24

L1,L2

Question 25

What is ASIS

Answer 25

anterior, superior illiac spine.

Question 26

How many Cranial nerves are there?

Answer 26

12

Question 27

What are the two types of nervous tissue

Answer 27

Excitable and non excitable

Question 28

What is the cerrebellum used for

Answer 28

posture and balance

Question 29

What is the gap between Neurons called

Answer 29

synapse or synaptic cleft

Question 30

What carries the message across the synaptic cleft?

Answer 30

neurotransmitters called acetycholine

Question 31

what is the thalmus

Answer 31

relay station

Question 32

what is the hypothalmus

Answer 32

deals with emotion

Question 33

what does the brain stem consist of?

Answer 33

mid brain pons medulla oblongata

Question 34

What is Somatic

Answer 34

Voluntary Controls skeletal M/S

Question 35

What is autonomic

Answer 35

controls 2 automatic functions. Sympathetic- fight or flight and parasympathetic (slows body systems)

Question 36

CNS comprises of?

Answer 36

Brain and spinal cord

Question 37

meninges have 3 layers

Answer 37

Dura Arachnoid Pia

Question 38

the brain itself comprises of?

Answer 38

Cerebral cortex Cerebrum- basal ganglia, thalmus and hypothalmus Cerebellum Brain stem

Question 39

What do meninges do

Answer 39

protect, provide blood supply and create space for CSF

Question 40

What does CSF do

Answer 40

support, protects uniform pressure, exchange nutrients

Question 41

Cerebral cortex (outer layer of cerebrum)

Answer 41

Movement

Question 42

what does the hypothalmus do?

Answer 42

thirst, apetite, emotions and sexual behaviour

Question 43

what does the PNS consist of?

Answer 43

Cranial nerves and spinal nerves

Question 44

PNS messages towards CNS are called

Answer 44

Sensory or afferent

Question 45

messages away from CNS are called?

Answer 45

efferent or motor

Question 46

How many spinal nerves are there

Answer 46

``` 31 8 12 5 5 1 ```

Question 47

What does the brain stem consist of?

Answer 47

Mid brain Pons medulla oblongata

Question 48

What is the mid brain for

Answer 48

Relay station btwn cerebrum and brain stem

Question 49

what is the pons for

Answer 49

Helps control breathing

Question 50

what is the medulla oblongata for?

Answer 50

the vital centre, CV + respiratory centre, reflex centre crossing

Question 51

what are the two cells types in the NS

Answer 51

Neuron cells- transmitting cells | Neuroglia- supportive cells

Question 52

what is the gap called between neuron transmitters

Answer 52

synapse or synaptic cleft

Question 53

what do neurotransmitters do

Answer 53

carry message across the synaptic cleft

Question 54

where does the spinal cord terminate

Answer 54

around the 1st lumbar vertabrae

Question 55

what is gray matter

Answer 55

H inside spinal cord

Question 56

what is white matter

Answer 56

relay impulse to and from brain