Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Which 3 cranial nerves are associated with the PNS

A

3, 7, 10

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

Somatic motor/general somatic is a __ __ fiber on __ __ muscle

A

Efferent motor

Voluntary striated

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

Visceral motor and general visceral
___ __ fibers
In ___, __ muscle, __ muscle, and __

A

Motor efferent

Autonomics, smooth, cardiac, glands

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

Somatic sensory and general sensory
__ __ fibers
Senses what
___ from muscles, joints, and tendons

A

Sensory afferrent

Pain, touch, temp, pressure on skin

Proprioception

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

Visceral sensory and general visceral

__ __ fibers
Reflex or pain sensation from __, __, __ __

A

Sensory afferrent

Visceral, glands, blood vessels

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

Cranial nerve for

Olfatction
Vision
Hearing

A

I

II

XII

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

Cranial nerve for

Balance

Taste

A

CN XII

CN VII, XI, X

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

CN I

Numerous olfactory nerve fibers pass through foramina in what

Synapse where

A

Cribiform plate

Olfactory bulb

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

CN I lesions at __ __ can lead to 3

A

Cribiform plate

Anosmia
Altered taste
CSF rhino rhea

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

Clinical testing CN I

A

Smell test

Make sure each nostril patent
Pt eyes close
Occlude each nostril one at a time
Present familiar, non irritating smells

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

CN II

__ sensory
Nerve cell bodies located where
Enters cranial fossa where
Fibers deccusate at __ __ and continue as __

A 
Special 
Retina 
Optic canal 
Optic chiasm 
Optic tract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

CN II testing

Direct: __ pupil constricts when shining light. CN __

Consensual: __ pupil constricts, CN ___

A

Ipsilateral, II

Contra lateral, III

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

Pupillary light reflex

__ CN II
__ CN III
Constriction from ___ system

A

Afferrent
Efferent
Parasympathetic

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

CN III
___ function
Supplies __ of __ ocular muscles. All except __ _ and __ __
Also supplies __ __ and __ through ciliary ganglion

A

Motor
4 of 6
Superior oblique and lateral rectus
Sphincter pupillae, ciliaris

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

Trochlear nerve
___ function
Supplies __ __ muscle
Emerges from the __ aspect of the __

A

Motor
Superior oblique
Dorsal, midbrain

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

Abducens
__ function
Supplies __ __

A

Motor

Lateral rectus

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

3 nerves that pass through superior orbital fissure

A

3, 4, 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How to test CN 3, 4, 6

A

Tracking

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

Divisions of CN V
V1
V2
V3

A

Ophthalmic, sensory

Maxillary, sensory

Mandibular, mixed sensory and motor

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

Where they exit through

V1
V2
V3

A

Superior orbital fissure
Foramen rotundum
Foramen ovale

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

CN V1
Only which function
Supplies what

A

Somatic sensory

Upper 1/3 of face, cornea, conjunctiva of upper eyelid

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

CN V2
What sensory only
Supplies what

A

Somatic sensory

Middle 1/3 of face, conjunctiva of inferior eyelid, mucosa of inferior nasal cavity, maxillary teeth

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

CN V3

Which functions

A

Somatic sensory and somatic motor

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

V3

Sensory innervation to what

A

Skin to inferior 1/3 of face
Anterior 2/3 of tongue
Floor of mouth and inferior oral vestibule
Mandibular teeth

25
Q

V3 supplies motor innervation to what

A 
Muscles of mastication 
Anterior belly of digastric 
Mylohyoid 
Tensor veli palatini 
Tensor tympani
26
Q

CN V lesions
Loss of sensation in what
Trigeminal neuralgia affects pain areas in which branches
Paralysis of what

A

Face

Pain in V2 and V3

Muscles of mastication, deviation of mandible toward side of lesion

27
Q

CN V testing

2 tests

A

Touch test of all 3 divisions

Corneal reflex test: afferrent CN V, efferent CN VII

28
Q

Cranial nerves in cavernous sinus

4

A

CN 3, 4, V1 and V2, 6

29
Q

Facial nerve

Motor to what

A

Muscles of facial expression

30
Q

Facial nerve

Intermediate nerve does what

A

Taste to anterior 2/3 of tongue, chorda tympani to lingual nerve V3

31
Q

Facial nerve

PNS Preganglionic fibers where

A

Lacrimal, submandibular, sublingual glands

And glands of nasal and palatine mucosa

32
Q

Facial nerve

Passes where through skull

A

Internal acoustic meatus, facial canal, stylomastoid foramen

33
Q

Clinical testing CN VII

Sensory testing

Motor testing

A

Taste to anterior 2/3 of tongue with familiar taste

Muscles of facial expression

34
Q

CN VIII

Sensory to what, contains which nerves

A

Hearing and equilibrium

Cochlear nerve and vestibular nerve

35
Q

CN VIII

Enters where

A

Bony labyrinth of temporal bone through the internal acoustic meatus

36
Q

How to test CN VIII

A

Air conduction through rinse test (put behind ear)

Bone conduction through Webber test on top of head

37
Q

CN IX

What kind of sensory functions

A

General to Mucosa of pharynx, posterior 1/3 of tongue

Taste posterior 1/3 of tongue

38
Q

CN IX motor function
Which muscle
Contributes to which plexus with what other CN

A

Stylopharyngeus

Pharyngeal, 9, 10, 11

39
Q

CN IX

Exits skull where

Assessed with what

A

Jugular foramen

9 and 10 tested at same time

40
Q

CN 9 has what kind of function to which gland

A

Parasympathetic to parotid gland

41
Q

CN X

Sensory function to where

A

Inferior pharynx, larynx, thoracic and abdominal organs

42
Q

CN X motor nerve to what

A

Soft palate, laryngeal muscles, pharynx

43
Q

CN X taste function to where

A

Root of tongue and epiglottis

44
Q

Vagus nerve PNS function to where

A

Thoracic and abdominal viscera

45
Q

Vagus nerve contributes to which plexus

A

Pharyngeal

46
Q

Which nerves contribute to pharyngeal plexus

A

9, 10, 11

47
Q

Vagus nerve exits skull where

A

Jugular foramen

48
Q

CN 9 and 10

Contribute to which reflex and how

A

Gag reflex

Touching posterior 1/3 of tongue

49
Q

CN 9 and 10

Gagging
9- __ function
10- __ function

A

Afferrent

Efferent

50
Q

CN 9 and 10

Motor function helps with what

How to test

What happens if issue

A

Clarity of speech

Say ah while looking at soft palate

Deviation of uvula away from side of lesion
Hoarseness of voice

51
Q

Vagus nerve

Emerges where, descends where

A

Jugular foramen, carotid sheath

52
Q

How vagus contributes to pharyngeal plexus

A

Motor innervation to pharynx and palate

53
Q

Vagus nerve: motor function to all muscles of __ except for __

A

Larynx, cricothyroid

54
Q

Spinal accessory nerve exits where

A

Jugular foramen

55
Q

Which nerves exit jugular foramen

A

9, 10, 11

56
Q

How to test cranial nerve 11

A

Rotate head to opposite side- SCM

Shrug shoulders- trapezius

57
Q

Hypoglossal nerve gives motor function to what

A

Muscles of tongue except for palatoglossal muscle

58
Q

CN 12 exits skull where

A

Hypoglossal canal

59
Q

How to test CN 12

A

Stick tongue out

Atrophy on tongue of affected side, deviation to affected side

Anatomy (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions