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Human Anatomy > Nervous System > Flashcards

Nervous System Flashcards

1
Q

nervous system 1

A

responsible for coordinating actions performed by the body

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2
Q

nerves 1

A

fine fibres every square inch of the body

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3
Q

neurons 2

A

nerve cells

100billions

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4
Q

neurology1

A

Scientific study of structure, function and pathology of nervous system

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5
Q

divisions of the nervous system 3

A

Central nervous system

peripheral nervous system

autonomic nervous system

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6
Q

central nervous system: what are the parts (4) and function (4)

A

brain, spinal cord, spinal nerves, cranial nerves

controls consciousness

mental activities,

involuntary functions of 5 senses,

all voluntary muscle actions (movement and facial movement)

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7
Q

peripheral Nervous System: contains (2) and function (2)

A

sensory and motor nerves

connects peripheral (outer) parts of body to central nervous system

carries impulses/messages to and from central nervous system

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8
Q

autonomic nervous system: parts (1) and (5)

A

controls the involuntary muscles

regulates action:
smooth muscles
glands
blood vessels
heart
breathing

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9
Q

brain 4

A

largest and most complex mass of nerve tissue

contained in cranium

controls sensation , muscles and glandular activity

sends and receives messages through 12 pairs of cranial nerves reaching various parts of head, face, and neck

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10
Q

brain stem 2

A

connects spinal cord to brain

involved in regulating vital functions ; breathing, heart beat and blood pressure

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11
Q

spinal cord 3

A

continuation of brain stem- originating in brain

extends to lower extremity of body

protected by spinal column

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12
Q

how many spinal nerves are there 1

A

31 pairs distributed to muscles and skin of trunk and limbs

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13
Q

nerves 3

A

whitish cords made of bundle of nerve fibres held together by connective tissue

where impulses are transmitted

originate in brain and spinal cord and branches to all parts of the body

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14
Q

types of nerves 2

A

sensory nerves

motor nerves

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15
Q

sensory nerves 3

A

carry impulses/messages from sense organs to brain where sensations are experienced

receptors

impulses pass through sensory nerves, to brain and back through motor nerves to muscle as complete circuit= muscle movement

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16
Q

motor nerves 2

A

carries impulses from brain to muscles/glands

produce movement

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17
Q

reflex 1

A

automatic nerve reaction to stimulus that involves movement of an impulse from sensory receptor to spinal cord and responsive impulse along motor neuron to muscle - causing reaction

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18
Q

nerves of head face and neck

A

12 pairs of cranial nerves from bse of brain and brain stem

activate the muscles and sensory structure of head an neck, skin a, membrane, eyes and ears

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19
Q

what cranial nerves are esthticians most concerned with

A

V, VII, XI and their several branches

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20
Q

5th cranial nerve 5

A

aka trifacial/trieminal nerve

largest of cranial nerves

chief sensory nerve sensory nerve of face

has branches of motor nerves that control chewing

has branches effected by lymphatic massage

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21
Q

nerves controlling chewing 4

A

3 branches of 5th cranial nerve

ophthalmic nerve

mandibular nerve

maxillary nerve

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22
Q

ophthalmic nerve 6

A

affects skin of; forehead, upper eyelids,

and interior portion of the scalp, orbit, eyeball and nasal passage

23
Q

mandibular nerves 2

A

affects muscle of chin and lower lip

24
Q

maxillary nerves 1

A

affects upper part of face

25
Q

auruiculotemporal nerves

A

affects the external ear and skin above temple up to top of skull

26
Q

infraorbital nerve 4

A

affects the skin of lower eyelid, side of nose, upper lip, and mouth

27
Q

infratochlear nerve 1

A

affects membrane and skin of the nose

28
Q

mental nerve 2

A

affects skin of lower lip and chin

29
Q

nasal nerve 1

A

affects the point and lower side of the nose

30
Q

supraorbital nerve 4

A

affects the skin of forehead, scalp, eyebrow, and upper eyelid

31
Q

supratrochlear nerve 1

A

affects the skin between eyes and upper side of nose

32
Q

zygomatic nerve 1

A

affects muscles of the upper part of the cheek

33
Q

seventh cranial nerve 4

A

aka facial nerve

chief motor nerve of face

emerges near lower part of the ear and extends to muscle of he neck

branches and divisions control muscles of facial expressions and secretions of saliva

34
Q

parts of seventh cranial nerve 6

A

buccal nerve

cervical nerve

mandibular nerve

posterior auricular nerve

temporal nerve

zygomatic nerve

35
Q

buccal nerve 1

A

affects muscles of mouth

36
Q

cervical nerves1

A

affects side of the neck and platysma muscle

37
Q

mandibular nerves 1

A

affects the muscles of the chin and lower lip

38
Q

posterior auricular nerves 1

A

affects the muscles behind the ear at base of skull

39
Q

temporal nerve 5

A

affects muscles of temple, side of forehead, eyebrow, eyelid, upper part of cheek

40
Q

zygomatic nerve 1

A

affects the muscles of the upper part of the cheek

41
Q

eleventh cranial nerve 3

A

aka accessory nerve

motor nerve controlling motion of neck and shoulder muscles

affected during facials and massage

42
Q

cervical nerve branches 5

A

supply muscles and scalps at back of head and neck

cervical cutaneous muscles

greater auricular nerve

greater occipital nerve

smaller occipital nerve

43
Q

cervical cutaneous nerve 2

A

located at side of neck

affects front and sides of neck as far down as breast bone

44
Q

greater auricular nerves 5

A

located at side of neck,

effects the face, ears, neck, and parotid gland

45
Q

greater occipital nerve 2

A

located at back of head

affects scalp as far up as top of head

46
Q

smaller occipital nerve 2

A

located at base of skull

affects scalp and muscles behind ear

47
Q

nerves of arm and hand 4

A

digital nerve

radial nerve

median nerve

ulnar nerve

48
Q

digital nerve 2

A

sensory motor nerve

supplies fingers

49
Q

radial nerve 2

A

sensory motor nerve

supplies thumb side of arm and back of hand

50
Q

median nerve 2

A

sensory motor nerve smaller than radial and ulnar

supplies arm and hand

51
Q

ulnar nerve 2

A

sensory motor nerve

supplies little finger and palm of hand

52
Q

vagus nerve 3

A

located in abdominal cavity

autonomic nervous system

overreaction to trigger can lower blood pressure- fainting

53
Q

parts of neuron 3

A

dendrites - receive messages

synapse - junction one to the next

axon - long extending from nerve - transmit messages

Human Anatomy (10 decks)

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