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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
What is the Posterior Cord of the Brachial Plexus made of?
Axillary & Radial Nerve
26
What are the Lateral Cords of the Brachial Nerves made of?
Musculocutaneous Nerve & Lateral Median Nerve
27
What is the Medial Cord of the Brachial Plexus made of?
Medial & Ulnar Nerve
28
Where is the Axillary Nerve located?
From C5-C6 and goes to the Shoulder, Posterior to the Humerus Neck
29
What does the Axillary Nerve Innervate?
Shoulder Ligaments, Capsule, Synovial Membrane & Deltoid Skin
30
Where is the Radial Nerve?
C5-T1 to the Arm and goes down the shaft of the Humerus then crosses Elbow anterior to Lateral Epicondyle
31
What does the Inferior Lateral Branch of the Radial Nerve innervate?
Posterior Arm
32
What does the Posterior Antebrachial Branch of the Radial Nerve innervate?
Posterior Surface of Forearm
33
What does the Radial Nerve divide into once it crosses the Elbow?
Superficial Branch & Deep Branch
34
What does the Superficial Branch of the Radial Nerve innervate?
Dorsum of Hand onto Thumb Index Finger Middle Finger Ring Finger
35
What does the Deep Branch of the Radial Nerve innervate?
Muscles of Wrist & Hand
36
What is the Motor response to Radial Nerve Stimulation?
Wrist Extension Metacarpo-Phalangeal Extension Thumb ABduction
37
Where is the Musculocutaneous Nerve?
C5-C7 --\> pierces thru coracobrachialis muscle and goes down between Brachialis & Biceps Brachii Muscle
38
Where does the Musculocutaneous Nerve become the Lateral Antebrachial Cutaneous Nerve?
At Elbow
39
What is the Motor Response to Musculocutaneous Nerve Stimulation?
Biceps Flexion
40
Where is the Median Nerve?
C5-T1 --\> goes down arm w/ Brachial Artery --\> crosses Cubital Fossa --\> goes into Forearm via Carpel Tunnel
41
What does the Median Nerve innervate?
Muscles and Skin of Forearm, Wrist, Fingers, Thumb
42
What is the Motor response to Median Nerve Stimulation?
Wrist Flexion Finger Flexion Thumb Opposition
43
Where is the Ulnar Nerve?
C8-T1 --\> goes down w/ Brachial Artery --\> Crosses Elbow to Posterior Medial Epicondyle --\> continues down Forearm
44
What does the Ulnar Nerve innervate?
Muscles of Wrist, Fingers, and Thumb & Skin of Dorsal & Medial Hand + Ring & Little Finger
45
What is the Motor response to Ulnar Nerve stimulation?
Ulnar Wrist Deviation Finger Flexion Thumb ADDuction
46
What forms the Lumbosacral Plexus?
Ventral Rami L1 - S5 (+ T12)
47
What does the Lumbosacral Plexus innervate?
Lower Abdomen & Lower Extremities
48
Where is the Iliohypogastric Nerve?
T12 - L1 --\> Abdominal Wall to Symphysis Pubis
49
What does the Iliohypogastric Nerve innervate?
Parietal Peritoneium & Abdominal & Butt Muscle & Skin
50
What forms the Ilioinguinal Nerve?
T12 - L1 --\> Abdominal Wall --\> Inguinal Canal & Ring --\> Scrotum/Labia Majora
51
What does the Ilioinguinal Nerve innervate?
Parietal Peritonium Superior & Medial Thigh Skin External Genitalia
52
What forms the Genitofemoral Nerve?
L1 - L1 --\> Abdomen -\> Inguinal Canal & Ring --\> Scrotum/Labia Majora
53
What does the Genitofemoral Nerve innervate?
Femoral Hiatus Skin & Scrotum/Labia Majora Skin
54
Where is the Pudendal Nerve?
S2 - S4 --\> Pelvis -\> Perineum
55
What does the Pudendal Nerve innervate?
Perineum Muscle & Skin
56
Where is the Lateral Femoral Cutaneous Nerve?
Posterior L2 - L3
57
What does the Lateral Femoral Cutaneous Nerve innervate?
Lateral Thigh Skin @ Knee Level
58
Where is the Posterior Femoral Cutaneous Nerve?
Anterior & Posterior S1 - S3
59
What does the Posterior Femoral Cutaneous Nerve innervate?
Posterior thigh Skin from Hip to Mid-Calf
60
Where is the Obturator Nerve?
Anterior L2 - L4
61
What does the Obturator Nerve innervate?
Thigh Muscles & Hip Movement
62
Where is the Femoral Nerve?
Posterior L2 - L4 --\> Anterior Thigh --\> Divdes to Anterior & Posterior below Inguinal Ligament
63
Where does the Femoral Nerve sit at the Femoral Crease from Lateral to Medial?
**N****AVEL** Nerve, Artery, Vein, Empty Space, Ligament
64
Which muscles does the Femoral Nerve innervate?
Rectus Femoris Vastus Lateralis Vastus Intermedius Vastus Medialis Sartorious
65
What does the Saphenous Nerve innervate?
Medial Leg from Knee to Foot Arch
66
What happens with Saphenous Nerve Stimulation?
Sartoriuos Muscle Contraction (Across Thigh) & Patellar Twitch
67
What forms the Sciatic Nerve?
Tibial Nerve L4 - S3 & Common Peroneal Nerve L4 - S2
68
What does the Sciate Nerve innervate?
Hip Extension & Knee Flexion
69
Where is the Tibial Nerve?
Anterior L4 - S3
70
What does the Tibial Nerve branch into?
**Medial & Plantar Nerve:** Innervates Plantar Foot
71
The Common Peroneal Nerve divides into _______ & _______ branches
The Common Peroneal Nerve divides into **SUPERFICIAL** & **DEEP** branches
72
What forms the Sural Nerve?
Tibial & Common Peroneal Nerve
73
What does the Sural Nerve innervate?
Posterior Foot Sole Posterior Heel Achilles Tendon above Ankle
74
What happens to the foot with Tibial Nerve stimulation?
Plantar Flexion & Foot Inversion
75
What happens with the foot with Superficial Peroneal Nerve stimulation?
Foot ABduction & Eversion
76
What happens to the foot with Deep Peroneal Nerve stimulation?
Foot Dorsiflexion

Advanced Anesthesia 2 (8 decks)

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