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Health Occs > Nervous System > Flashcards

Nervous System Flashcards

0
Q

T or F an axon of a motor neuron would transmit an impulse to a muscle

A

T

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1
Q

CVA

A

Cerebrovascular accident

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2
Q

Cochlea (ear) is a motor neuron

A

F

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3
Q

T or F Spinal cord extends to the third thoracic vertebrae

A

F

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4
Q

Encephal

A

Brain

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5
Q

Plegia

A

Paralysis

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6
Q

Neuro

A

Nerve

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7
Q

Mening

A

Meninges

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8
Q

Myel

A

Spinal cord

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9
Q

Olig

A

Few

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10
Q

The eye is considered part of what system ?

A

PNS

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11
Q

What is the chemical name for adrenaline?

A

Epinephrine

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12
Q

The nervous system is integrated with the _____ system

A

Endocrine

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13
Q

What is the scientific name for a nerve cell?

A

Neuron

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14
Q

What part of the diencephalon controls the pituitary gland ?

A

Hypothalamus

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15
Q

What is the largest part of the brain?

A

Cerebrum

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16
Q

A bundle of nerve fibers located within the CNS are called a ?

A

Tract

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17
Q

What is a branch of the spinal nerve that is attached to the spinal cord called?

A

Root

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18
Q

What is the most highly evolved portion of the brain?

A

Cerebral cortex

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19
Q

What produces CSF?

A

Choroid plexus

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20
Q

What is a network of nerve branches called?

A

Plexus

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21
Q

The outermost membrane of the myelin sheath is the ?

A

Neurilemma

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22
Q

What is myelophthisis?

A

Atrophy of the spinal cord

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23
Q

What part of the NS controls skeletal muscle?

A

Somatic

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24
Q

Brain and spinal cord

A

CNS

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25
Q

Cranial and spinal nerves

A

PNS

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26
Q

The PNS consists of __ pairs of cranial nerves and __ pairs of spinal nerves

A

12 cranial and 31 spinal

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27
Q

This system initiates voluntary responses

A

Somatic

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28
Q

The autonomic system regulates involuntary functions to maintain ?

A

Homeostasis

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29
Q

This system initiates involuntary responses

A

Autonomic

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30
Q

The PNS is broken down into what?

A

The somatic NS and the autonomic NS

31
Q

The autonomic NS is broken down into

A

Sympathetic and parasympathetic

32
Q

System that prepares the body to deal with emergencies

A

Sympathetic

33
Q

Coordinates activity of entire NS

A

Central nervous system

34
Q

What makes up the myelin sheath in the CNS

A

Neuroglia

35
Q

What system restores homeostatic balance?

A

Parasympathetic

36
Q

Space between two neurons is known as a

A

Synapse

37
Q

What is located at the end of each axon allowing nerve impulses to pass from one neuron to another

A

Neurotransmitter

38
Q

In the PNS myelin sheath is produced by

A

Schwann cells

39
Q

In the CNS melon sheath is produced by

A

Neuroglia

40
Q

Tiny gaps in completed sheaths called ____ speed conduction

A

Nodes

41
Q

Sensory neurons are also known as

A

Afferent

42
Q

Motor neurons are also known as

A

Efferent

43
Q

Interneurons are found only in the

A

CNS

44
Q

Chemical released at a synapse

A

Acetylcholine

45
Q

What is a reflex arc ?

A

A complete pathway through the NS

46
Q

A muscle or gland which responds to a motor neuron is an

A

Effector

47
Q

Hard outermost protective layer

A

Dura mater

48
Q

Weblike middle layer

A

Arachnoid

49
Q

Soft innermost layer that carried blood supply to the brain

A

Pia mater

50
Q

An elevation on the surface of the brain

A

Gyrus

51
Q

A deep groove

A

Fissure

52
Q

A shallow groove

A

Sulcus

53
Q

Lobe that controls voluntary muscles, motor area, speech and writing

A

Frontal

54
Q

Lobe that controls sensory functions: pain, touch, temp and estimation of: distance, size, shape

A

Parietal

55
Q

Lobe that controls hearing, smell, taste, and language input

A

Temporal

56
Q

Controls vision, involved in communication, and ability to read with understanding

A

Occipital

57
Q

Responsible for conscious mental processes

A

Cerebrum

58
Q

Maintaining balance, equilibrium and coordination

A

Cerebellum

59
Q

Part of the brain that connects with the spinal cord

A

Medulla oblongata

60
Q

Part of forebrain that includes thalamus and hypothalamus

A

Diencephalon

61
Q

Serves as the relay center; integration of sensory info

A

Thalamus

62
Q

Maintains homeostasis

A

Hypothalamus

63
Q

White fatty tissue covering a nerve fiber that acts as an electrical insulator

A

Myelin

64
Q

An involuntary response to a stimulus

A

Reflex

65
Q

Serves to relay impulses Between the cerebrum & cerebellum and cerebrum & medulla oblongata

A

Pons

66
Q

A group of nerve cell bodies located outside the CNS

A

Ganglion

67
Q

CSF

A

Cerebrospinal fluid

68
Q

AD

A

Alzheimer’s disease

69
Q

CP

A

Cerebral palsy

70
Q

MS

A

Multiple sclerosis

71
Q

Progressive deterioration of a persons intellectual functioning

A

Alzheimer’s disease

72
Q

At birth brain damage that is permanent but not progressive, characterized by the child’s lack of control of voluntary muscles

A

Cerebral palsy

73
Q

Death of brain tissue; also called a stroke

A

Cerebrovascular accident

74
Q

Degenerative inflammatory disease of the CNS attacking the myelin sheath of the brain and spinal cord

A

Multiple sclerosis

Health Occs (8 decks)

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