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Clinical Anatomy I > Exam 2: Cranial Nerves > Flashcards

Exam 2: Cranial Nerves Flashcards

1
Q

CN I Olfactory n. axon function

A

sensory (smell)

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2
Q

CN I Olfactory n. CNS level

A

cerebrum

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3
Q

CN I Olfactory n. nuclei at CNS level

A

nasal mucosa (primary axons)

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4
Q

CN I Olfactory n. exit from skull

A

cribriform foramina of ethmoid bone

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5
Q

CN I Olfactory n. associated ganglion

A

olfactory bulb (secondary axons), temporal lobe

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6
Q

CN I Olfactory n. target structure

A

olfactory mucosa of nose

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7
Q

CN XII Hypoglossal n. axon functions

A

motor

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8
Q

CN XII Hypoglossal n. CNS level

A

medulla (medial aspect of olive)

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9
Q

CN XII Hypoglossal n - exit from skull

A

hypoglossal canal

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10
Q

CN XII Hypoglossal n. target structure

A 
motor innervation of muscles:
genioglossus
hyoglossus
styloglossus
intrinsic mm of tongue
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11
Q

CN XI Accessory n. CNS level

A

spinal cord (C1-C5)

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12
Q

CN XI Accessory n. axon functions

A

motor

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13
Q

CN XI Accessory n. exit from skull

A

jugular foramen (via foramen magnum)

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14
Q

CN XI Accessory n. target structures

A

trapezius

sternocleidomastoid

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15
Q

what are the axon functions for trigeminal nerve?

A

sensory (V1, V2, V3) and branchial motor (V3 - arch 1)

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16
Q

which cranial nerves have a sensory branch for taste?

A 
facial nerve (2 br)
glossopharyngeal nerve (1 br)
vagus nerve (1 br)
17
Q

what do the sensory nerves for taste innervate? name for all 3 cranial nerves that have taste sensory axons

A

FACIAL N. — 2 branches: lingual nerve (for ant 2/3 tongue) and lesser palatine nerve (for palate)

GLOSSOPHARNYGEAL N. — 1 branch: lingual branch (for post 1/3 tongue)

VAGUS N. — 1 branch: internal laryngeal n. (for epiglottis)

18
Q

what is the nerve name for V2

A

maxillary

19
Q

nerve name for V3

A

mandibular

20
Q

what is the condition called for when there is a lesion at the optic tract?

A

R/L homonymous hemianopsia

— same side of L and R visual fields are gone

21
Q

what is the condition called when there is a lesion at the optic canal?

A

R/L monocular blindness

22
Q

what branch does the ciliary ganglion suspend from (include CN # in your answer, not just name!)

A

V1 - suspends from short ciliary nerve of ophthalmic

23
Q

what branch does the pterygopalatine ganglion suspend from?

A

V2 - maxillary nerve

24
Q

what is the name and type of nerve that comes out of the palatovaginal canal?

A

name: pharyngeal nerve
type: sensory
CN V2

25
Q

what is the name of the opening that posterior superior alveolar nerve comes out of?

A

pterygomaxillary fissure

CN V2

26
Q

what is the name and type of nerve that comes out of the incisive fossa?

A

name: nasopalatine n
type: sensory
CN V2

27
Q

what nerves come out of the sphenopalatine foramen?

A

nasopalatine n
posterior superior lateral (PSL) nasal n
posterior superior medial (PSM) nasal n

28
Q

what is the opening that PSL and PSM nasal nerves come out of?

A

sphenopalatine foramen

CN V2

29
Q

what opening is between the greater palatine f. and pterygomaxillary fissure?

A

sphenopalatine f.

30
Q

what is the name of the cell body for branchial motor V3?

A

trigeminal motor nucleus

31
Q

what is the name of the nerve that goes around the middle meningeal artery?

A

auriculotemporal nerve

32
Q

where CN does the auricotemporal nerve originate from?

A

V3 - mandibular

33
Q

what is the name of the opening that the chorda tympani runs through?

A

petrotympanic fissure

CN VII

34
Q

what nerve runs along with the sensory taste branch for palate of the facial nerve?

A

lesser palatine n. V2

35
Q

in what fossa is the hiatus for lesser petrosal and f. ovale located?

A

middle fossa

36
Q

what are the five sensory (touch/proprioception) nerves of the glossopharyngeal n?

A 
n to stylopharyngeal
lingual *branch*
tonsilar *branch*
pharyngeal *branch*
tympanic n
37
Q

what are the four sensory (touch/proprioception) nerves of the vagus n?

A

auricular branch
sup —> external laryngeal n.
recurrent laryngeal n.

38
Q

what do these auricular-related nerves originate/innervate

A

auriculotemporal nerve — V3 mandibular n
posterior auricular nerve — VII facial n
auricular branch — X vagus
great auricular nerve — cervical plexus (C2-C3, ventral)

Clinical Anatomy I (9 decks)

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