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Advanced Anesthesia 2 > Peripheral Nerve Anatomy - Quiz 7 > Flashcards

Peripheral Nerve Anatomy - Quiz 7 Flashcards

1
Q

Which Cranial Nerve is responsible for the Sensory Innervation of the Face?

A

CN V - Trigeminal Nerve

Ophthalamic

Maxillary

Mandibular

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2
Q

Label 1-8 of the Airway Nerves

A
  1. Cervical Sympathetic Ganglion
  2. Inferior Ganglion of Vagus Nerve
  3. Pharyngeal Nerve
  4. SLN
  5. Internal Laryngeal Branch
  6. External Laryngeal Branch
  7. Internal Laryngeal Branch - RLN
  8. Vagus Nerve
  9. RLN
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3
Q

What does the Glossopharyngeal Nerve Innervate?

A

Oropharynx

Soft Palate

Posterior 1/3 of Tongue

Pharngeal Surface of Epiglottis

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4
Q

What does the SLN Innervate?

A

Tongue Base

Posterior Surface of Epiglottis

Aryeepiglottic Fold

Arytenoids

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5
Q

The SLN can be blocked by _________

A

The SLN can be blocked by MUCOSAL SATURATION

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6
Q

The SLN arises from _________ of the Vagus Nerve, descends behind _______, and divides into the External & Internal Branches at the level of ________

A

The SLN arises from INFERIOR GANGLION of the Vagus Nerve, descends behind INTERNAL CAROTID ARTERY, and divides into the External & Internal Branches at the level of GREATER CORNU OF HYOID BONE

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7
Q

What does the External SLN Branch supply?

A

Cricothyroid Muscle

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8
Q

What does the Internal SLN Branch supply?

A

Internal SLN pierces Thyrohyoid Membrane

&

Supplies Sensory Innervation to Larynx & Hypopharynx

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9
Q

What does the RLN Innervate?

A

Vocal Folds

&

Trachea

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10
Q

What does the Cervical Plexus Innervate?

A

Muscles, Joints, and Skin of Anterior Neck

&

Ventral Rami C1 - C4

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11
Q

Label 1 - 6 of the Superficial Branches of the Cervical Plexus

A
  1. Lesser Occipital Nerve
  2. Great Auricular Nerve
  3. Midpoint - Posterior Border of Sternocleidomastoid & Site of Infiltration
  4. Transverse Cervical Nerve
  5. Accessory Nerve
  6. Supraclavicular Nerve
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12
Q

The Brachial Plexus extends from the ______ through ______ and Innervates the ________

A

The Brachial Plexus extends from the NECK through AXILLA and Innervates the UPPER EXTREMITY

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13
Q

What is the Brachial Plexus composed of?

A

Ventral Rami (Roots) - 5

Trunks - 3

Divisions - 6

Cords - 3

Branches - 4

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14
Q

Where are the Roots, Trunks, and Division of the Brachial Plexus found?

A

Posterior Triangle of Neck (Supraclavicular)

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15
Q

Where are the Cords & Branches of the Brachial Plexus found?

A

Axilla (Infraclavicular)

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16
Q

Know the Brachial Plexus

A
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17
Q

Where are the 5 Rami (Roots) of the Brachial Plexus found?

A

From Lateral Foramina to Lateral Border of Scalene Muscles

C5-T1 (C4-T2)

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18
Q

How are the 3 Trunks of the Brachial Plexus divided?

A

Superior: C5-C6

Middle: C7

Inferior: C8-T1

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19
Q

Where is the Interscalene Space?

A

Within Fascial Sheath Between Anterior & Middle Scalene Muscle

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20
Q

Where are the Divisions of the Brachial Plexus?

A

Posterior to Clavicle

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21
Q

What do the Divisions of the Brachial Plexus divide into?

A

3 Ventral Anterior: Supplies Flexor

&

3 Dorsal Posterior: Supplies Extensor

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22
Q

Where are the Cords of the Brachial Plexus found?

A

Axilla

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23
Q

How are the Cords of the Brachial Plexus divided?

A

3 Dorsal: Posterior Cord

&

3 Ventral: Lateral & Medial Cords

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24
Q

Where are the Branches of the Brachial Plexus found?

A

Lateral Border of Pectoralis Minor

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25
Q

What is the Posterior Cord of the Brachial Plexus made of?

A

Axillary & Radial Nerve

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26
Q

What are the Lateral Cords of the Brachial Nerves made of?

A

Musculocutaneous Nerve

&

Lateral Median Nerve

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27
Q

What is the Medial Cord of the Brachial Plexus made of?

A

Medial & Ulnar Nerve

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28
Q

Where is the Axillary Nerve located?

A

From C5-C6 and goes to the Shoulder, Posterior to the Humerus Neck

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29
Q

What does the Axillary Nerve Innervate?

A

Shoulder Ligaments, Capsule, Synovial Membrane

&

Deltoid Skin

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30
Q

Where is the Radial Nerve?

A

C5-T1 to the Arm and goes down the shaft of the Humerus

then crosses Elbow anterior to Lateral Epicondyle

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31
Q

What does the Inferior Lateral Branch of the Radial Nerve innervate?

A

Posterior Arm

32
Q

What does the Posterior Antebrachial Branch of the Radial Nerve innervate?

A

Posterior Surface of Forearm

33
Q

What does the Radial Nerve divide into once it crosses the Elbow?

A

Superficial Branch

&

Deep Branch

34
Q

What does the Superficial Branch of the Radial Nerve innervate?

A

Dorsum of Hand onto Thumb

Index Finger

Middle Finger

Ring Finger

35
Q

What does the Deep Branch of the Radial Nerve innervate?

A

Muscles of Wrist & Hand

36
Q

What is the Motor response to Radial Nerve Stimulation?

A

Wrist Extension

Metacarpo-Phalangeal Extension

Thumb ABduction

37
Q

Where is the Musculocutaneous Nerve?

A

C5-C7 –> pierces thru coracobrachialis muscle and goes down between

Brachialis & Biceps Brachii Muscle

38
Q

Where does the Musculocutaneous Nerve become the Lateral Antebrachial Cutaneous Nerve?

A

At Elbow

39
Q

What is the Motor Response to Musculocutaneous Nerve Stimulation?

A

Biceps Flexion

40
Q

Where is the Median Nerve?

A

C5-T1 –> goes down arm w/ Brachial Artery –> crosses Cubital Fossa –> goes into Forearm via Carpel Tunnel

41
Q

What does the Median Nerve innervate?

A

Muscles and Skin of Forearm, Wrist, Fingers, Thumb

42
Q

What is the Motor response to Median Nerve Stimulation?

A

Wrist Flexion

Finger Flexion

Thumb Opposition

43
Q

Where is the Ulnar Nerve?

A

C8-T1 –> goes down w/ Brachial Artery –> Crosses Elbow to Posterior Medial Epicondyle –> continues down Forearm

44
Q

What does the Ulnar Nerve innervate?

A

Muscles of Wrist, Fingers, and Thumb

&

Skin of Dorsal & Medial Hand + Ring & Little Finger

45
Q

What is the Motor response to Ulnar Nerve stimulation?

A

Ulnar Wrist Deviation

Finger Flexion

Thumb ADDuction

46
Q

What forms the Lumbosacral Plexus?

A

Ventral Rami L1 - S5 (+ T12)

47
Q

What does the Lumbosacral Plexus innervate?

A

Lower Abdomen

&

Lower Extremities

48
Q

Where is the Iliohypogastric Nerve?

A

T12 - L1 –> Abdominal Wall to Symphysis Pubis

49
Q

What does the Iliohypogastric Nerve innervate?

A

Parietal Peritoneium

&

Abdominal & Butt Muscle & Skin

50
Q

What forms the Ilioinguinal Nerve?

A

T12 - L1 –> Abdominal Wall –> Inguinal Canal & Ring –> Scrotum/Labia Majora

51
Q

What does the Ilioinguinal Nerve innervate?

A

Parietal Peritonium

Superior & Medial Thigh Skin

External Genitalia

52
Q

What forms the Genitofemoral Nerve?

A

L1 - L1 –> Abdomen -> Inguinal Canal & Ring –> Scrotum/Labia Majora

53
Q

What does the Genitofemoral Nerve innervate?

A

Femoral Hiatus Skin

&

Scrotum/Labia Majora Skin

54
Q

Where is the Pudendal Nerve?

A

S2 - S4 –> Pelvis -> Perineum

55
Q

What does the Pudendal Nerve innervate?

A

Perineum Muscle & Skin

56
Q

Where is the Lateral Femoral Cutaneous Nerve?

A

Posterior L2 - L3

57
Q

What does the Lateral Femoral Cutaneous Nerve innervate?

A

Lateral Thigh Skin @ Knee Level

58
Q

Where is the Posterior Femoral Cutaneous Nerve?

A

Anterior & Posterior S1 - S3

59
Q

What does the Posterior Femoral Cutaneous Nerve innervate?

A

Posterior thigh Skin from Hip to Mid-Calf

60
Q

Where is the Obturator Nerve?

A

Anterior L2 - L4

61
Q

What does the Obturator Nerve innervate?

A

Thigh Muscles

&

Hip Movement

62
Q

Where is the Femoral Nerve?

A

Posterior L2 - L4 –> Anterior Thigh –> Divdes to Anterior & Posterior below Inguinal Ligament

63
Q

Where does the Femoral Nerve sit at the Femoral Crease from Lateral to Medial?

A

NAVEL

Nerve, Artery, Vein, Empty Space, Ligament

64
Q

Which muscles does the Femoral Nerve innervate?

A

Rectus Femoris

Vastus Lateralis

Vastus Intermedius

Vastus Medialis

Sartorious

65
Q

What does the Saphenous Nerve innervate?

A

Medial Leg from Knee to Foot Arch

66
Q

What happens with Saphenous Nerve Stimulation?

A

Sartoriuos Muscle Contraction (Across Thigh)

&

Patellar Twitch

67
Q

What forms the Sciatic Nerve?

A

Tibial Nerve L4 - S3

&

Common Peroneal Nerve L4 - S2

68
Q

What does the Sciate Nerve innervate?

A

Hip Extension

&

Knee Flexion

69
Q

Where is the Tibial Nerve?

A

Anterior L4 - S3

70
Q

What does the Tibial Nerve branch into?

A

Medial & Plantar Nerve: Innervates Plantar Foot

71
Q

The Common Peroneal Nerve divides into _______ & _______ branches

A

The Common Peroneal Nerve divides into SUPERFICIAL & DEEP branches

72
Q

What forms the Sural Nerve?

A

Tibial & Common Peroneal Nerve

73
Q

What does the Sural Nerve innervate?

A

Posterior Foot Sole

Posterior Heel

Achilles Tendon above Ankle

74
Q

What happens to the foot with Tibial Nerve stimulation?

A

Plantar Flexion

&

Foot Inversion

75
Q

What happens with the foot with Superficial Peroneal Nerve stimulation?

A

Foot ABduction & Eversion

76
Q

What happens to the foot with Deep Peroneal Nerve stimulation?

A

Foot Dorsiflexion

Advanced Anesthesia 2 (8 decks)

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