PNS Flashcards

1
Q

two types of neurone

A

-multipolar
-unipolar

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2
Q

what nerve cell bodies is CNS

A

nucleus

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3
Q

what nerve cell body is PNS

A

ganglion

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4
Q

what are axons covered in

A

myelin sheath

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5
Q

what type is this

A

multipolar
-motor neurons of skeletal muscle and ANS

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6
Q

what type of neuron is this

A

unipolar
-sensory

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7
Q

where do motor impulses go

A

towards body wall, body cavity or organ

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8
Q

what are nerves in the CNS called

A

tracts
-consist of a single modality

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9
Q

how are the spinal nerves named

A

from C1-C7 above vertebrae same name
everything else is named below the vertebrae

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10
Q

what are all anterior roots in spinal nerves

A

motor

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11
Q

what are the dorsal spinal roots

A

sensory

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12
Q

what is a dermatome

A

area of skin supplied with sensory innervation from a single spinal nerve

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13
Q

what is a myotome

A

the skeletal muscles supplied with motor innervation from a single spinal nerve

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14
Q

innervation of posterior scalp, neck and shoulder

A

C2-C4

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15
Q

innervation of upper limb

A

C5-T1

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16
Q

innervation of gluteal region, lower limb and perineum

A

L2-S1

17
Q
A

T6

18
Q

cervical plexus

A

C1-C4

19
Q

brachial plexus

A

C5-T1

20
Q

lumbar plexus

A

L1-L4

21
Q

sacral plexus

A

L5-S4

22
Q

in sympathetic innervation, where are the lateral horns found

A

T1 - L2

23
Q

what spinal nerves have sympathetic innervarion

A

all of them

24
Q

another name for sympathetic

A

thoracolumbar

25
Q

another name for parasympathetic

A

craniosacral