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Ana > Ch 13 Lec 1 - Nervous System > Flashcards

Ch 13 Lec 1 - Nervous System Flashcards

1
Q

coordinate all body systems and this is accomplished by the transmission of signals

A

nervous system

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2
Q

the nervous system is a blank signaling system

A

electrochemical

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3
Q

communication system that is a slower scale and uses chemicals in the blood stream called blank

A

endocrine system, hormones

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4
Q

two communication systems of the body

A

nervous, endocrine

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5
Q

nervous system is made up of many blank, each composed of several tissues

A

organs

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6
Q

three things that make up nervous system

A

neurons, neuroglia, blood vessels, connective tissue

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7
Q

2 divisions of the nervous system

A

central, peripheral

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8
Q

the brain and spinal cord make up the blank nervous system

A

central

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9
Q

cranial and spinal nerves make up the blank nervous system

A

peripheral

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10
Q

the central nervous system is covered by blank

A

meninges

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11
Q

central nervous system is bathed in blank fluid

A

cerebrospinal

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12
Q

nervous system that is the integration center

A

central

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13
Q

nervous system that has both sensory and motor fibers

A

peripheral

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14
Q

the PNS connects the CNS to blank and blank

A

glands, muscles

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15
Q

this nervous system brings information to and from the CNS

A

PNS

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16
Q

two divisions of the PNS

A

afferent, efferent

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17
Q

the sensory division of the PNS

A

afferent

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18
Q

the motor division of the PNS

A

efferent

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19
Q

two divisions of the efferent division

A

somatic, autonomic

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20
Q

conscious control division of the efferent division

A

somatic

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21
Q

unconscious division of the efferent division

A

autonomic

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22
Q

order of a general function of the nervous system

A

receptors, sensory, integrative, motor, effector

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23
Q

receptor of nervous system does what

A

detects stimuli

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24
Q

sensory is felt by blank

A

afferent PNS

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25
Q

integrative part of nervous system

A

CNS

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26
Q

motor part of nervous system is the blank

A

efferent PNS

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27
Q

the effector of the nervous system

A

muscle/gland

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28
Q

structural and functional units of nervous system, excitable and amitotic

A

neurons

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29
Q

nervous tissue cell that are accessory cells and act like connective tissue

A

neuroglial

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30
Q

three major structures of neurons

A

soma, dendrites, axon

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31
Q

cell body of a neuron

A

soma

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32
Q

soma is blank

A

mononucleate

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33
Q

four parts of soma

A

nissl bodies, axon hillock, perikaryon, neurofibrils

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34
Q

part of soma with ribosome clusters and give a gray color

A

nissl bodies

35
Q

part of soma that connects soma to axon

A

axon hillock

36
Q

region around the nucleus in soma

A

perikaryon

37
Q

cytoskeleton that extend into dendrites/axon and gives shape in soma

A

neurofibrils

38
Q

part of neuron that respond to neurtransmitters

A

dendrites

39
Q

dendrites are short, branched, and blank

A

unmyelinated

40
Q

dendrites are specialized for blank with other neurons

A

contact

41
Q

axon is only blank

A

1 cell

42
Q

axon conducts nerve impulses blank soma

A

away from

43
Q

axon can give off blank

A

collaterals

44
Q

axon are wrapped in blank

A

myelin sheath

45
Q

glial cells wrapped around the axon

A

myelin sheath

46
Q

axons end in blank

A

synaptic terminals

47
Q

axons produce blank

A

neurotrasmitters

48
Q

movement of cellular materials (not signals) through the axon

A

axonal transport

49
Q

axonal transport that is away from soma; and transports neurotransmitters, organelles, nutrients

A

anterograde

50
Q

axonal transport toward soma, degraded materials to be recycled & extracellular substances

A

retrograde

51
Q

cytoplasm of an axon

A

axoplasma

52
Q

axoplasma consists of few blank

A

organelles

53
Q

plasma membrane of an axon

A

axolemma

54
Q

axolemma has these three things

A

collaterals, telodendra, synaptic terminal

55
Q

side branches of axolemma

A

collaterals

56
Q

neuron shape that is small and axons can not be distinguished from dendrites

A

anaxonic

57
Q

anaxonic neurons are found mostly in the blank

A

CNS

58
Q

neuron shape that is several small dendrites converged onto one and the dendrite/axon are separated by soma

A

bipolar

59
Q

bipolar neuron cells are blank

A

unmyelinated

60
Q

neuron shape that is several small dendrites converged onto one large one and the dendrite/axon are continuous

A

unipolar

61
Q

unipolar neurons are usually blank

A

myelinated

62
Q

majority of unipolar neurons are sensory neurons in the blank

A

PNS

63
Q

shape of neuron that is many dendrites extend from soma and a long axon

A

multipolar

64
Q

multipolar neurons are blank

A

myelinated

65
Q

the majority of motor neurons in the PNS are blank

A

multipolar

66
Q

multipolar neurons are also in the blank of CNS

A

spinal interneurons

67
Q

neurons that have sensory function

A

afferent

68
Q

cell body is usually outside the CNS in blank neurons

A

afferent

69
Q

afferent neurons have receptor ends on blank or are associated with receptor cells in blank organs

A

dendrites, sense

70
Q

three types of receptors in afferent neurons

A

exteroreceptors, proprioceptors, interoceptors

71
Q

touch, temp, pressure, light chemicals are detected by blank receptors

A

exteroceptors

72
Q

receptor that monitor muscle and skeleton position

A

proprioceptors

73
Q

receptors that monitor internal systems

A

interoceptors

74
Q

neurons only in the CNS and are the most abundant neurons

A

interneurons

75
Q

two classifications of interneurons

A

excitatory, inhibitory

76
Q

interneurons blank two or more neurons

A

link

77
Q

neurons that have motor function and the cell body is usually inside the CNS

A

efferent

78
Q

efferent neurons that control skeletal muscles

A

somatic

79
Q

efferent neurons that control smooth muscles and glands

A

autonomic

80
Q

cells that are called satellite or schwann cells in the PNS

A

neuroglial cells

81
Q

cells that are called astrocytes, oligodendrocytes, ependymal cells, microglia in the CNS

A

neuroglial cells

82
Q

largest and most common neuroglial cell that is star shaped

A

astrocytes

83
Q

three functions of astrocytes

A

structure, repair, metabolism, regulate ions, guide neurons to targets, form blood brain barrier

Ana (40 decks)

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