Distal Sites of Innervation

Question 1

Dorsal Ramus C2 (origin)

Answer 1

muscles attaching to a cervical transverse process

Question 2

Ventral Ramus C2 (origin)

Answer 2

skin of external ear, muscles attaching to hyoid bone, muscles attaching to cervical transverse process

Question 3

dorsal and ventral rami C8 (origin/imm distal to gray ramus)

Answer 3

muscles attaching to a cervical transverse process

Question 4

dorsal root T1

Answer 4

muscles attaching to a cervical transverse process

Question 5

ventral root T1

Answer 5

muscles attaching to cervical transverse process, superior cervical ganglion

Question 6

dorsal ramus T1 (origin), ventral ramus T1 (distal to gray ramus)

Answer 6

muscles attaching to transverse cervical process

Question 7

greater occipital nerve (origin)

Answer 7

muscles attaching to transverse cervical process

Question 8

great auricular nerve (origin)

Answer 8

skin of external ear

Question 9

ansa cervicalis

Answer 9

muscles attaching to the hyoid bone

Question 10

phrenic nerve (origin)

Answer 10

NO MATCH

Question 11

oculomotor nerve (origin from brainstem)

Answer 11

ciliary ganglion, extraocular muscles

Question 12

trochlear nerve (origin from brainstem)

Answer 12

extraocular muscles

Question 13

trochlear nerve (entering from SOF)

Answer 13

extraocular muscles

Question 14

trigeminal nerve (origin from brainstem)

Answer 14

no ganglia, not mucosa of larynx, middle ear, not muscles of the pharynx, larynx, or attaching to transverse cervical processes

Question 15

opthalmic nerve (entering SOF)

Answer 15

skin overlying forehead and nose; cornea; mucosa of nasal cavity; extraocular muscles and facial expression

Question 16

ophthalmic, frontal nerve (origin)

Answer 16

skin of forehead

Question 17

opthalmic, lacrimal n (origin)

Answer 17

skin of forehead

Question 18

opthalmic, nasociliary

Answer 18

skin overlying nose; cornea; mucosa of nasal cavity

Question 19

maxillary nerve (in foramen rotundum)

Answer 19

skin overlying nose, cheek, upper lip; mucosa of the nasal cavity, oral cavity, pharynx; one or more of the upper teeth

Question 20

maxillary, greater palatine nerve (origin)

Answer 20

OP: mucosa of oral cavity, pharynx

Question 21

maxillary, zygomatic n (entering orbit)

Answer 21

skin of the cheek

Question 22

maxillary, infraorbital n (entering infraorbital groove)

Answer 22

skin overlying nose, cheek, upper lip; mucosa of oral cavity; one or more upper teeth

Question 23

mandibular nerve (in foramen ovale)

Answer 23

hjklotwxyaacc; skin of cheek, lower lip, chin, external ear; mucosa of oral cavity; one or more lower teeth; muscles of mastication, middle ear, palate, tongue, and muscles attaching to hyoid bone

Question 24

mandibular, nerve to medial pterygoid (origin)

Answer 24

muscles of mastication, middle ear, palate

Question 25

mandibular, auriculotemporal n (origin)

Answer 25

skin of external ear

Question 26

mandibular, lingual nerve (origin)

Answer 26

mucosa of oral cavity; muscles of tongue and muscles attaching to hyoid bone

Question 27

mandibular, inferior alveolar n (origin)

Answer 27

skin of lower lip, chin; mucosa of oral cavity; lower teeth; muscles attaching to the hyoid bone

Question 28

abducens n (origin from brainstem)

Answer 28

extraocular muscles

Question 29

facial nerve (origin from the brainstem)

Answer 29

submandibular ganglion; pterygopalatine ganglion; mucosa of oral cavity; muscles of facial expression, middle ear, and attaching to hyoid bone

Question 30

facial nerve, chorda tympani

Answer 30

mucosa of oral cavity; submandibular ganglion

Question 31

facial, greater petrosal n

Answer 31

pterygopalatine ganglion, mucosa of the oral cavity

Question 32

facial n, buccal branch

Answer 32

muscles of facial expression

Question 33

glossopharyngeal n (origin from brainstem)

Answer 33

otic ganglion; mucosa of pharynx, middle ear; muscles of the pharynx

Question 34

glossopharyngeal, tympanic

Answer 34

otic ganglion, portion of the mucosa of the middle ear

Question 35

glossopharyngeal, lingual

Answer 35

mucosa of the pharynx

Question 36

vagus nerve (origin)

Answer 36

skin of external ear; mucosa of larynx, pharynx; muscles of palate, pharynx, larynx, and hyoid bone

Question 37

vagus, internal laryngeal n (origin)

Answer 37

mucosa of pharynx and larynx

Question 38

vagus, left nerve at level of 1st rib

Answer 38

mucosa of pharynx and larynx, muscles of pharynx and larynx

Question 39

vagus, left recurrent laryngeal

Answer 39

mucosa of pharynx and larynx, muscles of pharynx and larynx

Question 40

accessory nerve (origin from spinal cord)

Answer 40

NO MATCH

Question 41

hypoglossal nerve (origin from brainstem)

Answer 41

muscles of the tongue, muscles attaching to the hyoid bone