Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

DPT 701: Clincal Anatomy > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

(75 cards)

Start Studying
1
Q

What nerves do not originate from the brain stem

A

CN I olfactory
CN II optic
CN XI accessory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the nemonic for remembering the sensory or motor or both for the cranial n

A

some say marry money but my brother says big brains matter most

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the nerve function for CN I olfactory

A

special sensory smell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where do CN I olfactory nerve cell bodies arise from

A

olfactory epithelium in the nasal cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the deficits for the olfactory nerve

A

anosmia- loss of smell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the olfactory nerve bony passage

A

cribriform plate in the ethmoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what function does the optic n have

A

special sensory sight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the optic chiasm

A

sella turcica of sphenoid bone

nerves cross over

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the optic tract

A

nerves stay on lateral side for the optic n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

location of optic nerve cell bodies

A

retinal ganglia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the optic n deficits

A

visual defects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what bony passage does the optic n pass through

A

optic canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what artery supplies the optic n

A

ophthalmic a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what muscles attach to the sclera

A

extraocular muscles- superior rectus, inferior oblique, middle rectus, lateral rectus, inferior rectus, superior oblique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

LR6

A

lateral rectus

CN VI abducens- abducts eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

SO4

A

superior oblique

CN IV trochlear- down and out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

AO3

A 
all other muscles
CN III oculomotor
superior rectus- up/in
inferior oblique- up/out
inferior rectus- down/in
medial rectus- adducts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is the function of oculomotor n

A

M: SR, IR, IO, MR and levator palpebrae superioris
PS: pupil constriction (sphincter pupillae) and lens accommodation (ciliary- near vision)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

where is the location for oculomotor nerve cell bodies

A

midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what are the deficits of the oculomotor n

A

ptosis- superior eyelid drop caused by paralysis of levator palpebrae superioris
lateral strabismus- eye directed down and out
absent pupillary light reflex
dilated pupil
lack of lens accommodation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what bony passage does oculomotor pass through

A

superior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what is the function of the trochlear n

A

superior oblique- down and out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

where is the location of trochlear nerve

A

posterior midbrain

** only CN to exit posterior surface of brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what are the deficits of the trochlear n

A

superior oblique weakness

diplopia- double vision when looking down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what bony passage does trochlear n pass through
superior orbital fissure
26
what is the function of the trigeminal nerves
M: mastification S: skin sensation of forehead, maxilla, mandible
27
what are the branches and functions of the trigeminal n
V1- ophthalmic- sensory V2- maxillary- sensory V3- mandibular- sensory and motor
28
what are the mastification muscles
temporalis masseter medial pterygoid lateral pterygoid
29
what are some of the sensations for the trigeminal n
``` face eye sinuses nasopharynx anterior 2/3 tongue ear ```
30
what is the location of trigeminal nerve cell bodies
trigeminal ganglion- s | pons
31
what are the deficits for the trigeminal n
weakened mastication muscles loss of facial sensation loss of cornea reflex- sensation
32
what are the bony passages for the trigeminal branches
V1- superior orbital fissure V2- foramen rotundum V3- foramen ovale
33
what is the function for the abducens n
lateral rectus- abduct eye
34
what is the location for the abducens nerve cell bodies
pons
35
what are the deficits of the abducens n
loss of ability to move eye laterally | medial strabismus
36
what is the bony passage the abducens n pass through
pierces dura covering the clivus then enters superior orbital fissure
37
what is the function for the facial n
M: facial expression S: taste sensation ant. 2/3 tongue PS: salvia production of sublingual and submandibular glands, tear production from lacrimal gland, mucous glands of nasal cavity, maxillary sinus, palate
38
what is the location of the facial nerves cell bodies
M: pons S: geniculate ganglion
39
what is the facial n deficits
loss of corneal reflex- motor weakened facial expression loss of taste ant. 2/3 tongue
40
what bony passage does the facial n pass through
internal acoustic meatus
41
what is the function of the vestibulocochlear n
hearing and balance special sensory
42
what is the location of the vestibulocochlear nerve cell bodies
vestibular ganglion | spiral ganglion
43
what are the deficits of the vestibulocochlear n
tinnitus- ringing or buzzing in ear vertigo- dizziness, loss of balance loss of hearing
44
what is the bony passage the vestibulocochlear n pass through
internal acoustic meatus
45
what is the function of glossopharyngeal n
M: swallowing S: taste sensation post. 1/3 tongue, palantine tonsil, oropharynx, middle ear, carotid body and sinus PS: salvia production of parotid gland
46
what is the location of the glossopharyngeal nerve cell bodies
M: medulla S: sensory ganglion
47
what are the deficits of the glossopharyngeal n
loss of taste on post. 1/3 tongue changes in swallowing absent gag reflex (ipsilateral) palate deviation (contralateral)
48
what is the bony passage the glossopharyngeal n pass through
jugular foramen
49
what is the motor function for vagus n
``` swallowing speech cardiac plexus pulmonary plexus esophageal plexus foregut and midgut larynx pharynx soft palate ```
50
what is the shared function of the vagus n
sensory and motor to thoracic and abdomen
51
what is the sensory function of the vagus n
larynx and laryngopharynx | taste from epiglottis and pharynx
52
what cranial nerves have parasympathetic fibers
CN 3,7,9,10
53
where is the location of the vagus nerve cell bodies
M: medulla S: superior and inferior ganglion
54
what the deficits of the vagus n
``` dysphagia- difficulty swallowing anesthesia of larynx weak/hoarse voice dysphonia- difficulty speaking aphonia- no speaking HR abnormalities ```
55
what is the bony passage for the vagus n
jugular foramen
56
what is the function of the accessory n
sternocleidomastiod- head RT and cervical flexion | trapezius- shoulder shrug
57
where is the location of the accessory nerve cell bodies
rootlets from the upper 5-6 segments of cervical spinal cord, through foramen magnum and into jugular foramen
58
what are the deficits to the accessory n
weakness of the muscles
59
what is the function of the hypoglossal n
major tongue muscles
60
where is the location of hypoglossal nerve cell bodies
rootlets of anterior medulla
61
what are the deficits of the hypoglossal n
tongue deviates toward damaged nerve (ipsilateral)
62
what bony passage the hypoglossal n pass through
hypoglossal canal
63
name the cranial n
``` CN I- olfactory CN II- optic CN III- oculomotor CN IV- trochlear CN V- trigeminal V1- ophthalmic, V2- maxillary, V3- mandibular CN VI- abducens CN VII- facial CN VIII- Vestibulocochlear CN IX- glossopharyngeal CN X- Vagus CN XI- acessory CN XII- hypoglossal ```
64
where do you find CN I on the brain
occipital lobe
65
where do you find CN II on the brain
superior to the midbrain
66
where do you find CN III on the brain
between midbrain and pons
67
where do find CN IV on the brain
laterally between the cerebrum and pons
68
where is CN V located on the brain
lateral part of pons
69
where is CN VI on the brain
between the pons and medulla
70
where is CN VII on the brain
lateral the CN VI between the pons and medulla
71
where is CN VIII on the brain
lateral to CN VII at the junction of the pons and medulla
72
where is CN IX on the brain
lateral to the medulla
73
where is CN X on the brain
group of rootlets from lateral surface of the medulla
74
where is CN XII on the brain
ascending through foramen magnum, lateral to the medulla
75
where is CN XII on the brain
aterolateral medulla

DPT 701: Clincal Anatomy (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions