Nervous System Intro Flashcards

1
Q

2 Branches of Nervous System

A

Central and Peripheral

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2
Q

2 Parts of Central Nervous System

A

Brain and Spinal Chord

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3
Q

2 Parts of Peripheral Nervous System

A

Cranial Nerves (12 pairs) and Spinal Nerves (31 pairs)

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4
Q

Nervous System Controls

A

Motor function, sensory function, memory and emotions

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5
Q

2 Functional Aspects of Nervous System

A

Automatic and Somatic

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6
Q

Automatic Nervous System Function

A

Regulates glands, blood vessels and internal organs

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7
Q

Somatic Nervous System Functions

A

Controls voluntary functions

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8
Q

2 Parts of Automatic Nervous system

A

Sympathetic (fight or flight) and Parasympathetic (rest and digest)

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9
Q

3 Types of Meninges Surrounding Brain and Spinal Chord

A

Pin Mater (in contact with nervous tissue), arachnoid mater, dura mater external envelope (towards bone)

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10
Q

Super Sagittal Sinus Function

A

Drains spinal fluid from brain and spinal chord into subclavian vein. Used in waste removal

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11
Q

Limbic System Function

A

Controls memories and emotion

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12
Q

Space between Pia and Arachnoid

A

Spinal fluid that acts as shock absorber, immune system and nutrient transfer system

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13
Q

Sulci Def.

A

Pits in brain

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14
Q

Gyri Def.

A

Flat bits in brain

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15
Q

Outermost meninge (closest to skull)

A

Dura

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16
Q

Innermost meninge (closest to brain/spinal chord)

A

Pia

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17
Q

Parts of brain stem

A

Midbrain, Pons and Medulla Oblongata

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18
Q

Pons Function

A

Axons conduit between brain and spinal chord

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19
Q

Medulla Oblongata Function

A

Conduit. Regulates breathing and heart rate control and autonomic functions

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20
Q

Midbrain Function

A

Autonomic System. Conveys information to the rest of the brain

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21
Q

Sagittal Section Def.

A

Vertical (left to right) section

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22
Q

Coronal

A

Vertical (top to bottom) sectional

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23
Q

Grey Matter Def.

A

Contains neuron cell bodies

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24
Q

White Matter Def.

A

Contains neuron axons and dendrites

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25
Q

Cerebellum Def.

A

Muscle control and balance

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26
Q

Caudate Nucleus Def.

A

Group of neurons in brain. Found in basal ganglia

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27
Q

Basal Ganglia Subsections

A

Caudate nucleus, putamen and globulus pallidus

28
Q

Basal Ganglia Function

A

Memory Processing, Memory Consolidation, Emotional. Controls fine, smooth muscle movements

29
Q

Ventricles Def.

A

Pores in brain. Spinal fluid moves out from internal top of brain to external brain and spinal cord

30
Q

What does structure of brain system determine

A

What parts of the brain it can communicate with

31
Q

Increase in Foldings Lead To

A

Increase in surface area, increase in number of neurons, increase in complexity of action

32
Q

Ancient in Brain Components

A

Brainstem and Cerebellum

33
Q

Ancient Brain Functions

A

Fight, Flight, Feed and Fornicate. Self preservation

34
Q

Mammalian Feeling Brain Components

A

Hippocampus, Pineal Gland, Hypothalamus, Thalamus and Amygdala

35
Q

Mammalian Feeling Brain Function

A

Community Survival, emotions, learning, emotional memory, spirituality

36
Q

Primate Thinking Brain Component

A

Cortex

37
Q

Primate Thinking Brain Functions

A

Sensory Perception, Spatial Reasoning, Conscious Thought, Motor Commands, Intellectual Memory. Community Thriving

38
Q

5 Cortical Regions in Brain

A

Broca’s Area, Wernicke’s Area, Primary Somatosensory Cortex, Primary Motor Cortex and Primary visual cortex

39
Q

Broca’s Area

A

Speech and motor coordination

40
Q

Wernicke’s Area

A

Speech and sensory coordination

41
Q

Primary Somatosensory Cortex

A

Record general sensations in parts of body

42
Q

Primary Motor Cortex

A

Voluntary Motion Generation

43
Q

Primary Visual Cortex

A

Record of visual stimuli calcarine fissure (optical lobe)

44
Q

What happens when blood vessels are cut off

A

The brain loses oxygen in brain

45
Q

2 Blood Vessels That Enter Brain Through Basilar

A

Internal Carotid Arteries and 2 oasomated Vertebral Arteries

46
Q

Spinal Cord Length

A

Foramen Magnum (skull base) to L1 vertebrae. Continuous with medulla oblongata

47
Q

Spinal Cord Protection

A

Cerebrospinal fluid, meninges and bone

48
Q

Spinal Cord Functions

A

Reflex center (at each cord segment) and conduction pathway for impulses

49
Q

Peripheral System Components

A

nerves, ganglia and receptors

50
Q

2 Types of nerves

A

cranial and spinal

51
Q

Nerve fibre components

A

axon and sheath

52
Q

Ganglia Def.

A

islets of cell bodies outside of peripheral nervous system

53
Q

Receptors Def.

A

Record various stimuli transmitted to CNS via nerves

54
Q

Cranial Nerve that controls smell

A

Cranial nerve 1

55
Q

Cranial nerve that controls vision

A

2

56
Q

Cranial nerves that control eye moevements

A

3,4,6

57
Q

Cranial nerves that show facial and scalp sensation and mendibualr movements

A

5

58
Q

Cranial nerve that controls facial expression

A

7

59
Q

CN for hearing and balance

A

8

60
Q

CN for swallowing

A

9, 10

61
Q

CN neck and head movements

A

11

62
Q

CN tounge movement

A

12

63
Q

How do spinal nerves connect to spinal cord

A

Dorsal and ventral roots

64
Q

Sensory nerves outline

A

Affrent. Enters posterior region of spinal cord. Cell bodies in ganglion

65
Q

Motor Nerves Outline

A

Efferent. Exits spinal cord at anterior. Cell bodies in grey matter

66
Q

Spinal Nerves Outline

A

Exit spinal cord. Combine fibres from different levels forming new nerves