Distal sites of innervation head and neck

Question 1

dorsal ramus C2 (at origin)

Answer 1

one or more muscles attaching to the cervical transverse process

Question 2

ventral ramus C2 (distal to the gray ramus)

Answer 2

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

Question 3

dorsal ramus C8 (at origin)

Answer 3

muscles to cervical transverse process

Question 4

ventral ramus C8 (immediately distal to gray ramus)

Answer 4

muscles to cervical transverse process

Question 5

dorsal root T1

Answer 5

muscles to cervical transverse process

Question 6

ventral root T1

Answer 6

muscles to cervical transverse process

superior cervical ganglion

Question 7

dorsal ramus T1 (at origin)

Answer 7

muscles to cervical transverse process

Question 8

ventral ramus T1 (immediately distal to the gray ramus)

Answer 8

muscles to cervical transverse process

Question 9

greater occipital nerve (at origin)

Answer 9

muscles to cervical transverse process

Question 10

great auricular nerve (at origin)

Answer 10

skin of external ear

Question 11

ansa cervicalis

Answer 11

muscles attaching to hyoid bone

Question 12

phrenic nerve (at origin)

Answer 12

NOTHING

Question 13

occulomotor nerve (at origin from brainstem)

Answer 13

ciliary ganglion

extraocular muscles

Question 14

trochlear nerve (At origin from brainstem)

Answer 14

extraocular muscles

Question 15

trochlear nerve (as it enters to orbit from SOF)

Answer 15

extraocular muscles

Question 16

trigeminal nerve (at it’s origin from the brainstem)

Answer 16

skin of the forehead
skin of the nose
skin of the cheek
skin of the upper lip
skin of the lower lip
skin of the chin
skin of the external ear
cornea
mucosa of the nasal cavity
mucosa of the oral cavity
mucosa of the pharynx
upper teeth
lower teeth
extraocular muscles
muscles of mastication
muscles of middle ear
muscles of palate
muscles of the tongue
muscles to hyoid bone

Question 17

opthalmic nerve (as it enters the SOF)

Answer 17

skin of the forehead
skin of the nose
cornea
mucosa of nasal cavity
extraocular muscles

Question 18

opthalmic: frontal nerve (At it’s origin)

Answer 18

skin of the forehead

Question 19

opthalmic: lacrimal nerve (At its origin)

Answer 19

skin of the forehead

Question 20

opthalmic: nasocilliary nerve (at its origin)

Answer 20

skin of the nose
cornea
mucosa of nasal cavity

Question 21

maxillary nerve (in foramen rotundum)

Answer 21

skin of nose
skin of cheek
skin of upper lip
mucosa of nasal cavity
mucosa of oral cavity
mucosa of pharynx
upper teeth

Question 22

maxillary: greater palatine nerve (at origin)

Answer 22

mucosa of the oral cavity

Question 23

maxillary: zygomatic nerve (As it enters the orbit)

Answer 23

skin of cheek

Question 24

maxillary: infraorbital nerve (as it enters infraorbital groove)

Answer 24

skin of nose
skin of cheek
skin of upper lip
mucosa of oral cavity
upper teeth

Question 25

mandibular nerve (in foramen ovale)

Answer 25

``` skin of cheek skin of lower lip skin of chin skin of ear mucosa of oral cavity lower teeth muscles of mastication muscles of middle ear muscles of palate muscles of tongue muscles attaching to hyoid bone ```

Question 26

mandibular nerve: nerve to medial pterygoid (at origin)

Answer 26

muscles of mastication muscles of middle ear muscles of palate

Question 27

mandibular nerve: auriculotemporal nerve (At origin)

Answer 27

skin of ear

Question 28

mandibular nerve: lingual nerve (at origin)

Answer 28

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

Question 29

mandibular nerve: inferior alveolar nerve (At origin)

Answer 29

``` skin of lower lip skin of chin mucosa of oral cavity lower teeth muscles attaching to hyoid ```

Question 30

abducens nerve (at origin from brain stem)

Answer 30

extraocular muscles

Question 31

facial nerve (at origin from brain stem)

Answer 31

``` submandibular ganglion pterygopalatine ganglion mucosa of the oral cavity muscles of facial expression muscles of middle ear muscles attaching to hyoid bone ```

Question 32

facial nerve: greater petrosal nerve (at origin)

Answer 32

pterygopalatine ganglion | mucosa of oral cavity

Question 33

facial nerve: chorda tympani (at origin)

Answer 33

submandibular ganglion | mucosa of oral cavity

Question 34

facial nerve: buccal branch (at origin)

Answer 34

muscles of facial expression

Question 35

glossopharyngeal nerve (at origin from the brainstem)

Answer 35

otic ganglion mucosa of pharynx mucosa of middle ear muscles of pharynx

Question 36

glossopharyngeal: tympanic nerve (at origin)

Answer 36

otic ganglion | mucosa of middle ear

Question 37

glossopharyngeal: lingual nerve (at origin)

Answer 37

mucosa of pharynx

Question 38

vagus nerve (at origin from the brainstem)

Answer 38

``` skin of external ear mucosa of pharynx mucosa of larynx muscles of palate muscles of pharynx muscles of larynx muscles attaching to hyoid bone ```

Question 39

vagus nerve: internal laryngeal nerve (at origin)

Answer 39

mucosa of pharynx | mucosa of larynx

Question 40

left vagus nerve (at first rib)

Answer 40

mucosa of pharynx mucosa of larynx muscles of larynx muscles of pharynx

Question 41

vagus: left recurrent laryngeal (at origin)

Answer 41

mucosa of pharynx mucosa of larynx muscles of larynx muscles of pharynx

Question 42

accessory nerve (at origin from spinal cord)

Answer 42

NO MATCH

Question 43

hypoglossal nerve (at origin from brain stem)

Answer 43

muscles of tongue | muscles attaching to hyoid bone