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board review part 1 > S.A. PNS & ANS > Flashcards

S.A. PNS & ANS Flashcards

1
Q

what makes up the PNS?

A

cranial & spinal nerves (and their ganglia)

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2
Q

what are ganglia?

A

groups of neuron cell bodies

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3
Q

are peripheral nerves mostly ,myelinated or unmyelinated?

A

myelinated

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4
Q

what is a nerve fiber?

A

a single axon in a peripheral nerve

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5
Q

where are unipolar cells found?

A

posterior root ganglion

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6
Q

where are bipolar cells found?

A

retina & sensory ganglia of cochlear & vestibular nerves

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7
Q

what do schwann cells make?

A

myelin (nodes of ranvier)

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8
Q

Lesser occiput of cervical plexus?

A

C2, C3- sensory, posterolateral neck

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9
Q

Greater auricular cervical plexus?

A

C2, C3- sensory: ear & parotid gland

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10
Q

Transverse cervical of cervical plexus?

A

C2, C3- sensory: ant. & lat neck

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11
Q

Supraclavicular (ant. middle, post.) of cervical plexus?

A

C3,C4- sensory: shoulder & ant chest

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12
Q

Ansa cervaclis (deep) cervical plexus?

A

C1-C4; Motor: geniohyoid & infrAHYOID MUSCLES OF NECK

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13
Q

Segmental branches of cervial plexus?

A

C1-C5; motor: neck & scalenes, levator, trapezius, SCM

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14
Q

Phrenic of cervical plexus?

A

C3-C5; motor: diaphragm

C3, C4, C5 keep the diaphragm alive

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15
Q

Femoral N of lumbar plexus?

A

L2-L4; sensory: thigh, leg, foot, hip, knee joint

Motor: ant thigh, psoas, pectineus, iliacus

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16
Q

Obturator N. of lumbar plexus?

A

L2-L4
Sensory: medial thigh & hip joint
Motor: adductors, gracilis & obturator externus

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17
Q

Lat. femoral cut. of lumbar plexus?

A

L2, L3

sensory: lat thigh, branches to peritoneum

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18
Q

Iliohypogastric N of lumbar plexus?

A

L1; sensory: lower abdomen, lower back & hip, anterolateral abdominal wall & pubic region

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19
Q

Ilioinguinal N. of lumbar plexus?

A

L1; Sensory: external genitalia, thigh & abdominals

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20
Q

Genitofemoral N. of lumbar plexus?

A

L1,L2; Sensory: scrotum, labia, thigh & cremsater

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21
Q

Sciatic N of sacral plexus?

A

L4-S3; Motor: tibial & common peroneal

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22
Q

Tibial N. of sacral plexus

A

L4-S3
sensory: post leg & foot
Motor: all muscles back of thigh, leg & foot

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23
Q

Common peroneal (fibular) N. of sacral plexus?

A

L4-S2
sensory: ant leg & dorsum of foot
Motor: peroneals, tibialis ant., extension of toe

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24
Q

Superficial peroneal (fibular) N. of sacral plexus?

A

L4-S2; Motor: lateral comp. of leg

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25
Q

Deep peroneal N. of sacral plexus?

A

L4-S2; motor: ant. comp.of leg

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26
Q

Superior gluteal N. of sacral plexus?

A

L4,L5,S1; motor: gluteus minimus & medius, & TFL

27
Q

Inferior Gluteal N. of sacral plexus?

A

L5-S2; Motor: gluteus maximus

28
Q

Pudendal N. of sacral plexus?

A

S2-S4
Sensory: muscles of perineum
Motor: external anal sphincter

29
Q

how are the cords of the brachial plexus named?

A

according to the axillary artery

30
Q

whats the order of the brachial plexus?

A 
roots
trunks
divisions
cords
branches
"rugby teams drink cold beer"
31
Q

what levels make up the roots of brachial plexus?

A

C5-T1

32
Q

Rhomboids are supplied by?

A

Dorsal scapular nerve-C5

33
Q

Suprascapular N.?

A

C5,C6- shoulder joint; infraspinatus, supraspinatus

34
Q

Long thoracic nerve

A

C5,C6,C7; supplies serratus anterior

35
Q

subclavius supplied by?

A

n. to the subclavius- C5

36
Q

lateral cord is made up of?

A

C5-C7

37
Q

lateral pectoral N?

A

C5-C7 sometimes C8; supplies pec. major

38
Q

musculocutaneous N.?

A

C5,C6; supplies: coracobrachialis, bicep brachii, brachialis

39
Q

Median N.?

A

C6-C8,T1- sometimes C5

40
Q

medial brachail cut. N.?

A

T1- sensory to prox 1/2 of arm

41
Q

medial antebrachial cut. N.?

A

C8, T1- sensory to elbow and medial aspect of forearm

42
Q

Ulnar N.?

A

C8, T1, sometimes C7

43
Q

Medial cord made up of?

A

C8, T1

44
Q

Posterior cord made up of?

A

C5-T1

45
Q

superior subscapular?

A

C5,C6; supplies subscapularis

46
Q

inferior subscapularis n.?

A

C5,C6- supplies subscapularis & teres minor

47
Q

Axillary N.?

A

C5,C6- supplies deltoid, teres minor; shoulder joint

48
Q

Radial N.?

A

c6-T1, sometimes C5

49
Q

CN I name? path? fxn? nuclei & ganglion?

A

Olfactory
cribriform plate
smell
does NOT synapse- thalamus

50
Q

CN II name? path? fxn?

A

optic
optic canal
vision

51
Q

CN III name? path? fxn? nuclei?

A

oculomotor
superior orbital fissure (SOF)
Motor- eye muscles except lat. rectus & sup. oblique
edinger-westphal

52
Q

CN IV name? path? fxn?

A

trochlear
superior orbital fissure (SOF)
motor- superior oblique
smallest CN

53
Q

CN V name? path? fxn? nuclei/ganglion?

A

Trigeminal
V1- opthalmic; V2- maxillary; V3- mandibular
V1-SOF; V2- foramen rotundum; V3- Foramen ovale
Sensory- face & tongue
Motor- mastication (tic douloureux)
trigeminal ganglion “trigeminal neuralgia”
Largest CN

54
Q

CN VI name? path? fxn?

A

Abducens
SOF
motor- lateral rectus

55
Q

CN VII name? path? fxn? nuclei/ganglion?

A 
facial
internal auditory meatus, exits thru the styloid mastoid
sensory-ant 2/3 taste
motor- facial expression
superior salvatory "bells palsy"
56
Q

CN VIII name? path? fxn? nuclei/ganglion?

A

vestibular- cochlear
internal auditory meatus
sensory- balance & hearing
vestibular ganglion (of scarpa)

57
Q

CN IX name? path? fxn? nuclei?

A 
glossopharyngeal
jugular foramen
sensory- post 1/3 taste
motor- stylopharyngeus- secretion of parotid gland
nucleus ambiguus (inf. salvatory)
58
Q

CN X name? path? fxn? nuclei?

A 
Vagus
jugular foramen
motor pharynx, larynx
sensory- bitter taste epiglottis, ext. auditory meatus
parasym. dorsal motor nucleus
59
Q

CN XI name? path? fxn? nuclei?

A

accessory
jugular foramen
motor SCM & trapezius
Nucleus ambiguus

60
Q

CN XII name? path? fxn? nuclei?

A

hypoglossal
hypoglossal canal
motor- tongue
hypoglssal nuclei

61
Q

ANS innervates?

A

involuntary structures such as heart, smooth muscle, glands

62
Q

Sympathetic Axons include? Short? Long?

A

T1-L1/L2
Short: PREganglionic; NT-ACH
Long: POSTganglionic; NT-EPI/NE

63
Q

Parasympathetic axons include? Short? Long?

A

CN III,VII, IX,X; sacral S2-S4
Long: PREganglionic; NT-ACH
Short: POSTganglionic; NT-ACH

board review part 1 (30 decks)

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