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Med Course > Day 1 Nervous System > Flashcards

Day 1 Nervous System Flashcards

1
Q

What are the two types of nervous system

A

Central nervous system

Peripheral nervous system

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2
Q

How many spinal nerves are there?

A 
31 pairs
8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal
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3
Q

What are the parts of the brain?

A

Cerebrum
Cerebellum
Brain stem

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4
Q

What does the cerebrum comprise of?

A

Frontal, occipital, parietal and temporal

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5
Q

What is the brain stem divided into?

A

Mid brain
Pons
Medulla oblongata

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6
Q

What part of the brain controls muscle movement

A

Cerebral cortex

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7
Q

What are Neurons

A

Conducting cells

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8
Q

What are the 4 parts of a Neuron

A

Dendrite, cell body, axon and terminal

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9
Q

what are neuroglia

A

Supportive cells

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10
Q

What is the Hypothalmus for?

A

Endocrine system and stimulus for hormones

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11
Q

What does the CNS comprise of

A

Brain and spinal cord

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12
Q

What are the peripheral Nervous system

A

Sensory and motor

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13
Q

What are the Sensory PNS

A

Sight, touch and hearing etc

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14
Q

What does motor PNS comprise of

A

Voluntary and autonomical

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15
Q

What is autonomical

A

e.g. breathing (involuntary)

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16
Q

What is voluntary

A

moving hand away from hot object

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17
Q

what do meninges surround

A

brain and spinal cord

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18
Q

What are the three layers of meninges

A

Dura Matter (outside layer)
Arachnoid
PIA

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19
Q

what is CSF

A

Cerebro-spinal-fluid

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20
Q

What is CSF for

A

Supporting and protecting

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21
Q

How many spinal nerves are there?

A

31 Pairs of spinal nerves

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22
Q

What is the brainstem used for?

A

Respiratory drive centre

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23
Q

What is the cerebellum

A

Mini brain underneath big brain (balance and posture)

24
Q

Were does the spinal cord end?

A

L1,L2

25
Q

What is ASIS

A

anterior, superior illiac spine.

26
Q

How many Cranial nerves are there?

A

12

27
Q

What are the two types of nervous tissue

A

Excitable and non excitable

28
Q

What is the cerrebellum used for

A

posture and balance

29
Q

What is the gap between Neurons called

A

synapse or synaptic cleft

30
Q

What carries the message across the synaptic cleft?

A

neurotransmitters called acetycholine

31
Q

what is the thalmus

A

relay station

32
Q

what is the hypothalmus

A

deals with emotion

33
Q

what does the brain stem consist of?

A

mid brain
pons
medulla oblongata

34
Q

What is Somatic

A

Voluntary Controls skeletal M/S

35
Q

What is autonomic

A

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

36
Q

CNS comprises of?

A

Brain and spinal cord

37
Q

meninges have 3 layers

A

Dura
Arachnoid
Pia

38
Q

the brain itself comprises of?

A

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

39
Q

What do meninges do

A

protect, provide blood supply and create space for CSF

40
Q

What does CSF do

A

support, protects uniform pressure, exchange nutrients

41
Q

Cerebral cortex (outer layer of cerebrum)

A

Movement

42
Q

what does the hypothalmus do?

A

thirst, apetite, emotions and sexual behaviour

43
Q

what does the PNS consist of?

A

Cranial nerves and spinal nerves

44
Q

PNS messages towards CNS are called

A

Sensory or afferent

45
Q

messages away from CNS are called?

A

efferent or motor

46
Q

How many spinal nerves are there

A 
31
8
12
5
5
1
47
Q

What does the brain stem consist of?

A

Mid brain
Pons
medulla oblongata

48
Q

What is the mid brain for

A

Relay station btwn cerebrum and brain stem

49
Q

what is the pons for

A

Helps control breathing

50
Q

what is the medulla oblongata for?

A

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

51
Q

what are the two cells types in the NS

A

Neuron cells- transmitting cells

Neuroglia- supportive cells

52
Q

what is the gap called between neuron transmitters

A

synapse or synaptic cleft

53
Q

what do neurotransmitters do

A

carry message across the synaptic cleft

54
Q

where does the spinal cord terminate

A

around the 1st lumbar vertabrae

55
Q

what is gray matter

A

H inside spinal cord

56
Q

what is white matter

A

relay impulse to and from brain

Med Course (13 decks)

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