Summary of the Motor Supply to the Head & Neck Flashcards Preview

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Flashcards in Summary of the Motor Supply to the Head & Neck Deck (12):
1

all extraocular muscles, including the levator palpebrae superioris, are supplied by the ___ nerve

except the ___ muscle: ___ nerve

except the ___ muscle: ___ nerve

oculomotor nerve

superior oblique muscle
trochlear nerve

lateral rectus muscle
abducens nerve

2

all muscles of the palate are supplied by the ___ nerve

except the ___ muscle: ___ nerve

vagus nerve

tensor veli palatini mucsle
V3

3

all pharyngeal muscles are supplied by the ___ nerve

except the ___ msucle: ___ nerve

vagus nerve

stylopharyngeus muscle
glossopharyngela nerve

4

all intrinsic & extrinsic muscles of the tongue are supplied by the ___ nerve

except the ___ muscle: ___ nerve

hypoglossal nerve

palatoglossus muscle
vagus nerve

5

all muscles of facial expressoin, including the epicranius (occipitofrontalis), buccinator & platysma, are supplied by the ___ nerve

in addition, this nerve supplies three muscles (3)

facial nerve

stapedius muscle
posterior belly of digastric muscle
stylohyoid muscle

6

all four muscles of mastication are supplied by the ___ nerve

this nerve supplies four muscles (4)

mandibular nerve (V3)

tensor veli palatini
tensor tympani
anteiror belly of digastric
mylohyoid

7

all intrinsic muscles of the larynx are supplied by the ___ nerve

except the ___ muscle: ___ nerve

recurrent laryngeal branch of the vagus nerve

cricothyroid muscle
superior laryngeal branch of the vagus

8

all infrahyoid muscles are supplied by the ___ nerve

except the ___ muscle: ___ that continues w/ the ___ nerve

this also supplies the ___ muscle

ansa cervicalis (C1-3)

thyrohyoid muscle
direct branch of C1 that continues w/ the hypoglossal nerve

geniohyoid muscle

9

the sternocleidomastoid & trapezius are supplied by the ___ nerve

spinal accessory nerve

10

the scalenes are supplied by direct branches of the ___ of the ___ nerves

ventral rami of the cervical spinal nerves

11

(pre/postgang) (symp/parasymp) fibers from the superior cervical ganglion supply three muscles (3)

postganglionic sympathetic

dilator of the pupil
orbitalis
smooth muscle fibers in the levator palpebrae superioris

12

(pre/postgang) (symp/parasymp) fibers supply two muscles (2)

they also supply the glands of the ___ cavity, ___ glands, & ___ glands

constricotr of the pupil muscle
ciliary muscles

glands of the nasal cavity
salivary glands
lacrimal glands

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