Distal innervation

Question 1

Dorsal ramus C2

Answer 1

-One or more of the muscles attaching to a cervical transverse process

Question 2

Ventral ramus C2 (immediately distal to the gray ramus)

Answer 2

• One or more of the muscles attaching to a cervical transverse process
• One or more of the muscles attaching to the hyoid bone
• All or portion of the skin of the external ear

Question 3

Dorsal ramus C8 (at its origin)

Answer 3

-One or more of the muscles attaching to a cervical transverse process

Question 4

Ventral ramus C8 (immediately distal to the gray ramus)

Answer 4

-One or more of the muscles attaching to a cervical transverse process

Question 5

Dorsal root T1

Answer 5

-One or more of the muscles attaching to a cervical transverse process

Question 6

Ventral root T1

Answer 6

• One or more of the muscles attaching to a cervical transverse process
• Superior cervical ganglion

Question 7

Dorsal ramus T1 (at its origin)

Answer 7

-One or more of the muscles attaching to a cervical transverse process

Question 8

Ventral ramus T1 (immediately distal to the gray ramus)

Answer 8

-One or more of the muscles attaching to a cervical transverse process

Question 9

Greater occipital nerve (at its origin)

Answer 9

-One or more of the muscles attaching to a cervical transverse process

Question 10

Great auricular nerve (at its origin)

Answer 10

-All or portion of the skin of the external ear

Question 11

Ansa cervicalis

Answer 11

-One or more of the muscles attaching to the hyoid bone

Question 12

Phrenic nerve (at its origin)

Answer 12

None

Question 13

Oculomotor nerve (at its origin from the brainstem)

Answer 13

• Ciliary ganglion

- One or more of the extraocular muscles

Question 14

Trochlear nerve (at its origin from the brainstem)

Answer 14

-One or more of the extraocular muscles

Question 15

Trochlear nerve (as it enters the orbit from the SOF)

Answer 15

-One or more of the extraocular muscles

Question 16

Ophthalmic nerve (as it enters the SOF)

Answer 16

• One or more of the extra ocular muscles
• All or a portion of the skin of the forehead (superior to orbit)
• All or a portion of the skin overlying the nose
• All or portion of the mucosa of the nasal cavity
• Cornea

Question 17

Ophthalmic, frontal nerve (at its origin)

Answer 17

-All or a portion of the skin of the forehead (superior to orbit)

Question 18

Ophthalmic, lacrimal nerve (at its origin)

Answer 18

-All or a portion of the skin of the forehead (superior to orbit)

Question 19

Ophthalmic, nasociliary nerve (at its origin)

Answer 19

• All or portion of the mucosa of the nasal cavity
• Cornea
• All or a portion of the skin overlying the nose

Question 20

Maxillary, greater palatine nerve (at its origin)

Answer 20

-All or portion of the mucosa of the oral cavity

Question 21

Maxillary, zygomatic nerve (as it enters the orbit)

Answer 21

-All or a portion of the skin of the cheek

Question 22

Maxillary, infraorbital nerve (as it enters the infraorbital groove)

Answer 22

• All or a portion of the skin overlying the nose
• All or a portion of the skin of the cheek
• All or a portion of the skin of the upper lip
• All or portion of the mucosa of the oral cavity
• One or more of the upper teeth

Question 23

Mandibular, nerve to the medial pterygoid (at its origin)

Answer 23

• One or more of the muscles of mastication
• One or more of the muscles of the middle ear
• One or more of the muscles of the palate

Question 24

Mandibular, auriculotemporal nerve (at its origin)

Answer 24

-All or portion of the skin of the external ear

Question 25

Mandibular, lingual nerve (at its origin)

Answer 25

- All or portion of mucosa of oral cavity - One or more of the muscles of the tongue - One or more of the muscles attaching to the hyoid bone

Question 26

Mandibular, inferior alveolar nerve (at its origin)

Answer 26

- One or more of the muscles attaching to the hyoid bone - All or portion of skin of lower lip - All or portion of skin over chin - All or portion of oral cavity - One or more of lower teeth

Question 27

Abducens nerve (at its origin from the brainstem)

Answer 27

-One or more of the extraocular muscles

Question 28

Facial nerve (at its origin from the brainstem)

Answer 28

- Submandibular ganglion - Pterygopalatine ganglion - All or portion of mucosa of oral cavity - One or more muscle of facial expression - one or more muscle of middle ear - One or more muscles attaching to hyoid bone

Question 29

Facial nerve, chorda tympani nerve (at its origin)

Answer 29

- all or portion of mucosa of oral cavity | - submandibular ganglion

Question 30

Facial nerve, greater petrosal nerve (at its origin)

Answer 30

- all or portion of mucosa of oral cavity | - pterygopalatine ganglion

Question 31

Facial nerve, buccal branch (at its origin)

Answer 31

--One or more muscle of facial expression

Question 32

Glossopharyngeal nerve (at its origin from the brainstem)

Answer 32

- All or portion muscles of pharynx - All or more portion of mucosa of middle ear - All or portion of mucosa of pharynx - otic ganglion

Question 33

Glossopharyngeal, tympanic nerve (at its origin)

Answer 33

- otic ganglion | - All or more portion of mucosa of middle ear

Question 34

Glossopharyngeal, lingual nerve (at its origin)

Answer 34

-All or portion of mucosa of pharynx

Question 35

Vagus, internal laryngeal nerve (at its origin)

Answer 35

- All or a portion of the mucosa of the pharynx | - All or a portion of the mucosa of the larynx

Question 36

Vagus, left nerve (at the level of the 1st rib)

Answer 36

- All or a portion of the mucosa of the pharynx - All or a portion of the mucosa of the larynx - One or more of the muscles of the larynx - One or more of the muscles of the pharynx

Question 37

Vagus, left recurrent laryngeal (at its origin)

Answer 37

- All or a portion of the mucosa of the pharynx - All or a portion of the mucosa of the larynx - One or more of the muscles of the larynx - One or more of the muscles of the pharynx

Question 38

Accessory nerve (at its origin from the spinal cord)

Answer 38

None

Question 39

Hypoglossal nerve (at its origin from the brainstem)

Answer 39

- One or more of the muscles of the tongue | - One or more of the muscles attaching to the hyoid bone