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PNS > Test 2 > Flashcards

Test 2 Flashcards

1
Q

Nerve coming directly off root of the brachial plexus?

A

Long Thoracic

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2
Q

Where do the cutaneous nerves of the cervical plexus arise from?

A

Sternocleidomastoid (SCM)

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3
Q

What plexus is covered by psoas major?

A

Lumbar

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4
Q

Where does the phrenic nerve come from?

A

C3, C4, C5

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5
Q

Where does the pudendal nerve come from?

A

S2, S3, S4

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6
Q

Where are stem cells of the neural tube found?

A

Ventricular Zone

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7
Q

Which nerve transmits sensory of the medial plantar nerve?

A

Tibial Nerve

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8
Q

Which nerve transmits sensory of the medial leg?

A

Saphenous Nerve

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9
Q

Musculocutaneous nerve is sensory to this part of the upper extremity

A

Lateral forearm

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10
Q

The posterior division of the supraclavicular branch is also known as?

A

Lateral

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11
Q

What cord is made up of the upper, middle, and lower trunks of the brachial plexus?

A

Posterior

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12
Q

Which nerve does the Tibial Nerve branch into?

A

Medial Plantar Nerve

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13
Q

The Greater Auricular Nerve runs in this region

A

In front of the ear

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14
Q

Where are the paravertebral ganglias found?

A

Lateral to the vertebral bodies

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15
Q

What is the ending of the paravertebral ganglia called?

A

Ganglion Impar

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16
Q

This is found in the epidural space

A

Fat pad

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17
Q

What are the roots of the Radial Nerve?

A

C5, C6, C7, C8, T1

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18
Q

Which nerve runs posterior to the medial epicondyle?

A

Ulnar Nerve

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19
Q

Which ganglion is responsible for the pupillary reflex?

A

Ciliary Ganglion

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20
Q

What are the roots of the obturator nerve?

A

L2, L3, L4

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21
Q

Which nerve gives cutaneous innervations to the abdominal viscera?

A

Vagus

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22
Q

Which muscle is innervated twice by the Ansa Cervicalis?

A

Omohyoid

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23
Q

What are the structures coming directly out from the spinal cord?

A

Rootlets

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24
Q

Neurons that conduct nerve impulses from the receptors to the CNS are?

A

Sensory

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25
Q

The elongated nerve roots from L2-S2 are called?

A

Cauda Equina

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26
Q

What cranial nerve delivers preganglionic parasympathetic nerve to abdominal?

A

Vagus

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27
Q

The glossopharyngeal nerve provides parasympathetic innervation to the ___

A

Parotid Gland

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28
Q

Loss of cutaneous sensation and paralysis of muscles on the medial plantar side of the foot indicates damage of which nerve?

A

Tibial Nerve

29
Q

Sympathetic division of the ANS is also referred to as the?

A

thoracolumbar division

30
Q

The greater occipital nerve is derived from?

A

Dorsal Ramus of C2

31
Q

What is the connective tissue layer tha encloses a nerve?

A

Endoneurium

32
Q

“Special” functional components get their name because?

A

They are derived from the pharyngeal arches

33
Q

Which nerve roots come from the lumbosacral trunk?

A

L4, L5

34
Q

Which supraclavicular branch is also known as the anterior branch?

A

Medial

35
Q

Which supraclavicular branch is also known as the middle branch?

A

Intermediate

36
Q

Goes through the quadrangular space?

A

Axillary nerve

37
Q

Femoral nerve is made of?

A

Dorsal divisions of L2, L3, L4

38
Q

The medial and lateral cords make up the ___

A

Median nerve?

39
Q

Formation of the filum terminale is by the?

A

Degeneration of the spinal cord

40
Q

Which muscle runs with the hypoglossal nerve?

A

Geniohyoid

41
Q

A strap muscle that has 2 bellies?

A

Omohyoid

42
Q

A lesion of the femoral nerve would cause an issue with?

A

Quadriceps muscle

43
Q

Nerve on the medial side of the psoas?

A

Obturator

44
Q

Motor nerves of cervical plexus?

A

-hyoid nerves + Spinal Accessory + Phrenic N.

45
Q

Sensory nerves of cervical plexus?

A

Lesser occipital
Great auricular
Transverse cervical
Supraclavicular

46
Q

Where is the ansa cervicalis located?

A

Superficial to / within the carotid sheath

47
Q

Superior root of ansa cervicalis runs with ___

A

hypoglossal nerve

48
Q

Where does the spinal accessory nerve innervate?

A

Sternocleidomastoid (C2, C3)

Trapezius (C3, C4)

49
Q

Locations of the sensory nerves of the cervical plexus?

A

Lesser occipital - behind ear
Great auricular - in front of ear
Transverse cervical - in anterior triangle
Supraclavicular - over clavicle

50
Q

Where are intercostal nerves?

A

Ventral Ramus of T1-T11 (T12 = subcostal nerve)

51
Q

Where do intercostal nerves run?

A

In costal groove, BELOW vessels

52
Q

Constituents of DORSAL primary rami?

A

Greater occipital (C2) - semispinalis capitis + trapezius
Least Occipital (C3)
Superior cluneal
Inferior cluneal

53
Q

What does nerve to subclavius innervate?

A

Subclavius
SC joint
(phrenic nerve)

54
Q

What does suprascapular nerve innervate?

A

Infraspinatus
Supraspinatus
GH joint

55
Q

What does the posterior cord consist of?

A 
Upper subscapular
Thoracodorsal
Lower subscapular
Axillary
Radial
56
Q

What does upper subscapular nerve innervate?

A

C5

Superior subscapularis

57
Q

What does lower supscapular nerve innervate?

A

C6
Lower subscapularis
Teres major

58
Q

What does thoracodorsal nerve innervate?

A

C7 (C6, C8)

Latissimus dorsi

59
Q

What does axillary nerve innervate?

A

Deltoid
Teres minor
shoulder joint
lateral arm skin

60
Q

Cutaneous branch that runs with the ulnar nerve?

A

Medial cutaneous antebrachial

61
Q

Nerve that innervates the cremasteic muscle

A

Genital branch of the Genitofemoral Nerve

62
Q

Nerve that appears from the medial side of the psoas major

A

Obturator

63
Q

The anterior obturator innervates which muscles?

A

Adductor Longus
Adductor Brevis
Gracilis

64
Q

The posterior obturator innervates which muscles?

A

Adductor Magnus

Obturator externa

65
Q

Inferior cluneal innervates

A

S2, S3

Cutaneous innervation over inferior buttocks

66
Q

Superior cluneal innervates

A

L1-L3 dorsal rami

Cutaneous innervation over superior buttocks

67
Q

Medial cluneal innervates

A

S1-S3

Cutaneous innervation over medial buttocks

68
Q

What does the pudendal nerve innervate?

A

S2-S4

Innervates the perineum

PNS (5 decks)

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