Neck Neurology

Question 1

NAnterior Ramus of the Cervical Plexus

Answer 1

C1-C4

Question 2

Where do sensory branches of the Cervical Plexus enter the Superficial Fascia?

Answer 2

Near the Midline of the Posterior SCM

Question 3

What are the 6 sensory branches of the Cervical Plexus?

Answer 3

“Great Lesbians Turn Men Into Losers”
(1) Greater auricular
(2) Lesser occipital
(3) Transverse cervical
(4) Medial supraclavicular
(5) Intermediate supraclavicular N
(6) Lateral supraclavicular

Question 4

Anterior Rami in Greater Auricular N

Answer 4

C2, C3

Question 5

Anterior Rami in Lesser Occipital N

Answer 5

C2

Question 6

Anterior Rami in Geniohyoid Branch

Answer 6

C1

Question 7

Anterior Rami in Thyrohyoid Branch

Answer 7

C1

Question 8

Anterior Rami in Superior Root Ansa Cervicalis

Answer 8

C1

Question 9

Anterior Rami in Inferior Root Ansa Cervicalis

Answer 9

C2, C3

Question 10

Anterior Rami of Transverse Cervical N

Answer 10

C2, C3

Question 11

Anterior Rami of Medial, Intermediate, and Lateral Supraclavicular Nerves

Answer 11

C3, C4

Question 12

Anterior Rami in Phrenic N

Answer 12

C3, C4, C5

Question 13

Path of Great Auricular N

Answer 13

Crosses SCM parallet to External Jugular V

Question 14

Innervations of Great Auricular N

Answer 14

• Skin over and surrounding the Parotid Gland, Mastoid Process, and both surfaces of Auricle, and an area of skin extending from the angle of the Mandible to the Mastoid Process

Question 15

Path of Lesser Occipital N

Answer 15

Passes superiorly along the posterior border of the SCM

Question 16

Innervation of the Occipital N

Answer 16

• Skin of neck
• Skin of scalp posterosuperior to the auricle

Question 17

Path of Transverse Cervical N

Answer 17

Passes transversely across the SCM

Question 18

Innervation of Supraclavicular Nerves

Answer 18

Skin over the shoulders

Question 19

Innervation of Transverse Cervical N

Answer 19

Skin over anterolateral aspect of neck

Question 20

What are the 5 motor branches of the Cervical Plexus?

Answer 20

“Get The Amazing Cat Playful Mice”
(1) nerve to Geniohyoid
(2) nerve to Thyroid
(3) Ansa Cervicalis
(4) Phrenic
(5) Muscular branches

Question 21

Superior Root of Ansa Cervicalis is ___ to the Inferior Root

Answer 21

Anterior

Question 22

What nerve innervates the following Infrahyoid Muscles: Superior Belly of Omohyoid, Sternohyoid, and Sternothyroid?

Answer 22

Superior Root of Ansa Cervicalis

Question 23

What nerve innervates the Inferior Belly of Omohyoid?

Answer 23

Inferior Root of Ansa Cervicalis

Question 24

What does the Phrenic Nerve innervate?

Answer 24

Diaphragm

Question 25

What do the Muscular Branches of the Cervical Plexus innervate?

Answer 25

- Rectus Capitis Anterior - Rectus Capitis Lateralis - Longus Capitis - Longus Colli

Question 26

What are the 3 Cervical Sympathetic Ganglia?

Answer 26

1. Superior 2. Middle 3. Inferior

Question 27

Where does the Superior Cervical Ganglia go?

Answer 27

To the head and neck

Question 28

Where does the Middle Cervical Ganglia go?

Answer 28

To the neck and upper limb

Question 29

Where does the Inferior Cervical Ganglia go?

Answer 29

To the upper limb

Question 30

Sympathetic Trunks receive presynaptic fibers from the ___ ___ spinal levels

Answer 30

Superior Thoracic

Question 31

Postganglionic cell bodies are contained within:

Answer 31

Sympathetic Trunk

Question 32

Postganglionic cell fibers leave the sympathetic chain via ___ ___ to pass to cervical spinal nerves

Answer 32

Gray Rami

Question 33

What four Cranial Nerves can be found in the Cervical Region?

Answer 33

(1) Glossopharyngeal (2) Vagus (3) Accessory (4) Hypoglossal

Question 34

Glossopharyngeal N = CN __

Answer 34

CN IX

Question 35

Vagus N = CN __

Answer 35

CN X

Question 36

Accessory N = CN ___

Answer 36

CN XI

Question 37

Hypoglossal N = __

Answer 37

CN XII

Question 38

What are the 3 branches of the Vagus N in the Cervical Region?

Answer 38

(1) Pharyngeal (2) Superior Laryngeal (3) Right Recurrent Laryngeal

Question 39

Pharyngeal Nerve

Answer 39

- branch off Vagus N - provides motor innervation to Pharynx and Soft Palate

Question 40

Internal Branch of Superior Laryngeal Nerve

Answer 40

- branch off Superior Laryngeal N (= branch off Vagus N) - provides sensory innervation to Superior Larynx

Question 41

External Branch of Superior Laryngeal Nerve

Answer 41

- branch off Superior Laryngeal N (= branch off Vagus N) - provides motor innervation to the Cricothyroid muscle

Question 42

Pathway of Right REcurrent Laryngeal Nerve

Answer 42

Loops under Subclavian Artery

Question 43

Innervation of Right Recurrent Laryngeal Nerve

Answer 43

- Provides motor innervation to intrinsic Larynx muscles - Provides sensory innervation to Inferior Larynx

Question 44

Path of Glossopharyngeal Nerve

Answer 44

To Carotid Sinus

Question 45

Path of Accessory Nerve

Answer 45

Courses slightly superior to midpoint of posterior SCM to anterior border of Trapezius

Question 46

Path of Hypoglossal Nerve

Answer 46

Medial to posterior belly of digastric and deep to mylohyoid