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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
integrative part of nervous system
CNS
26
motor part of nervous system is the blank
efferent PNS
27
the effector of the nervous system
muscle/gland
28
structural and functional units of nervous system, excitable and amitotic
neurons
29
nervous tissue cell that are accessory cells and act like connective tissue
neuroglial
30
three major structures of neurons
soma, dendrites, axon
31
cell body of a neuron
soma
32
soma is blank
mononucleate
33
four parts of soma
nissl bodies, axon hillock, perikaryon, neurofibrils
34
part of soma with ribosome clusters and give a gray color
nissl bodies
35
part of soma that connects soma to axon
axon hillock
36
region around the nucleus in soma
perikaryon
37
cytoskeleton that extend into dendrites/axon and gives shape in soma
neurofibrils
38
part of neuron that respond to neurtransmitters
dendrites
39
dendrites are short, branched, and blank
unmyelinated
40
dendrites are specialized for blank with other neurons
contact
41
axon is only blank
1 cell
42
axon conducts nerve impulses blank soma
away from
43
axon can give off blank
collaterals
44
axon are wrapped in blank
myelin sheath
45
glial cells wrapped around the axon
myelin sheath
46
axons end in blank
synaptic terminals
47
axons produce blank
neurotrasmitters
48
movement of cellular materials (not signals) through the axon
axonal transport
49
axonal transport that is away from soma; and transports neurotransmitters, organelles, nutrients
anterograde
50
axonal transport toward soma, degraded materials to be recycled & extracellular substances
retrograde
51
cytoplasm of an axon
axoplasma
52
axoplasma consists of few blank
organelles
53
plasma membrane of an axon
axolemma
54
axolemma has these three things
collaterals, telodendra, synaptic terminal
55
side branches of axolemma
collaterals
56
neuron shape that is small and axons can not be distinguished from dendrites
anaxonic
57
anaxonic neurons are found mostly in the blank
CNS
58
neuron shape that is several small dendrites converged onto one and the dendrite/axon are separated by soma
bipolar
59
bipolar neuron cells are blank
unmyelinated
60
neuron shape that is several small dendrites converged onto one large one and the dendrite/axon are continuous
unipolar
61
unipolar neurons are usually blank
myelinated
62
majority of unipolar neurons are sensory neurons in the blank
PNS
63
shape of neuron that is many dendrites extend from soma and a long axon
multipolar
64
multipolar neurons are blank
myelinated
65
the majority of motor neurons in the PNS are blank
multipolar
66
multipolar neurons are also in the blank of CNS
spinal interneurons
67
neurons that have sensory function
afferent
68
cell body is usually outside the CNS in blank neurons
afferent
69
afferent neurons have receptor ends on blank or are associated with receptor cells in blank organs
dendrites, sense
70
three types of receptors in afferent neurons
exteroreceptors, proprioceptors, interoceptors
71
touch, temp, pressure, light chemicals are detected by blank receptors
exteroceptors
72
receptor that monitor muscle and skeleton position
proprioceptors
73
receptors that monitor internal systems
interoceptors
74
neurons only in the CNS and are the most abundant neurons
interneurons
75
two classifications of interneurons
excitatory, inhibitory
76
interneurons blank two or more neurons
link
77
neurons that have motor function and the cell body is usually inside the CNS
efferent
78
efferent neurons that control skeletal muscles
somatic
79
efferent neurons that control smooth muscles and glands
autonomic
80
cells that are called satellite or schwann cells in the PNS
neuroglial cells
81
cells that are called astrocytes, oligodendrocytes, ependymal cells, microglia in the CNS
neuroglial cells
82
largest and most common neuroglial cell that is star shaped
astrocytes
83
three functions of astrocytes
structure, repair, metabolism, regulate ions, guide neurons to targets, form blood brain barrier

Ana (40 decks)

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