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Neuro > Peripheral NS > Flashcards

Peripheral NS Flashcards

1
Q

CN of PNS

A

I and II

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2
Q

Order of Nerve Naming

A

Nerve rootlet
Nerve Root
Spinal Nerve
Rami
Peripheral Nerve

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3
Q

Axoplasm

A

-transports nutrients and chemicals
-allows nerves to glide
-becomes viscous when stationary

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4
Q

A-Alpha Nerve Fibers

A

-fastest and thickest
-Muscle spindles and golgi, touch, MNs

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5
Q

Ia Nerve Fibers

A

-fastest and thickest
-muscle spindle

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6
Q

A-Beta Nerve Fibers

A

-2nd thickness and speed
-touch, muscle spindle

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7
Q

A-Gamma Nerve Fibers

A

-3rd thickest
-touch, pressure, gamma MNs

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8
Q

Ib Nerve Fibers

A

2nd-thickness
-golgi tendon organs

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9
Q

II Nerve Fibers

A

3rd thickest
-touch, muscle spindle (flowers)

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10
Q

III Nerve Fibers

A

-pain, crude touch, pressure, temp

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11
Q

A-delta Nerve Fibers

A

-pain, crude touch, pressure, temp

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12
Q

B Nerve Fibers

A

-preganglionic autonomic

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13
Q

C Nerve Fibers

A

-slowest, thinnest
-pain, crude touch, pressure, temp
-postganglionic autonomic

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14
Q

IV Nerve Fibers

A

-Slowest, thinnest
-pain, crude touch, pressure, temp

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15
Q

Cervical Plexus

A

-C1-C4

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16
Q

Lumbar Plexus

A

-L1-L4

17
Q

Sacral Plexus

A

-L5-S4

18
Q

Peripheral Neuropathy

A

-any disease of peripheral nerves

19
Q

Mononeuropathy

A

-single nerve involvement

Traumatic Myelinopathy:
-repeated mechanical pressure and myelin gets damaged
-carpal tunnel

Traumatic Axonopathy:
-crush injury or fracture
-can regrow if schwann and myelin remain (1mm/day)

Severance:
-poor prognosis
-wallerian degeneration within 3-5dy

20
Q

Polyneuropathy

A

-symmetric involvement
-distal to proximal distribution

Small fibers:
-pain, temp, numb loss

Large fibers:
-ataxia, proprioception loss

21
Q

Guillain-Barre Syndrome

A

-acute inflammatory demyelinating polyradiculoneuropathy
-occurs after viral infection
-motor issues
-can recover

Neuro (29 decks)

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