Cranial nerves V and VII

61 cards

Review for te st #1���


 
  
Created Sep 21, 2010
by
indigoboy0

 

 
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1
CN V is also called the ______
 
trigeminal nerve
2
The three main divisions of the trigeminal nerve are:
 
Opthalmic (V1), maxillary (Vii) and mandibular (Viii)
3
Three divisions of trigeminal arise from
 
the trigeminal ganglion
4
The trigeminal provides senesory sensation to
 
most of the dura matter and cerebral arteries
5
The opthalmic division is purely _____
 
Sensory
6
The opthalmic division provides sensory information to:
 
Eyeball (cornea blink); skin and forehead of scalp (upper part of nasal cavity)
7
The maxillary division is purely _______
 
sensory
8
The maxillary division (Vii) provides sensory input to:
 

upper jaw and teeth; maxillary paranasal sinus; hard and soft palates; nasal...

9
The mandibular division contains both _____ and ____ components
 
sensory and motor
10
Three main branches of the mandibular division are:
 
lingual, inferior alveolar, buccal
11
Lingual branch of mandibular division function:
 

sensory to anterior 2/3 of tongue; joined by chorda tympani branch of facial...

12
Inferior alveolar branch of the mandibular division function:
 

sensory to lower jaw and teeth and gums

13
Buccal branch of the mandibular division function:
 
sensory to skin of cheek
14
Trigeminal provides motor innervation to:
 

muscles of mastication: a) temporalis (b) masseter (c)...

15
The trigeminal nucleus is the main _______
 
sensory nucleus
16
The trigenminal nucleus receives information containing:
 

discriminative touch and some

proprioception from the head

17
The trigeminal nuclei is equivalent to the:
 

dorsal column nuclei of the spinal cord

18

Axons carrying  pain and temperature information  descend in the ______...

 
spinal trigeminal
19
Axons carrying pain and temp. info  terminate in the subjacent ________
 
spinal trigeminal

nucleus

20

The spinal nucleus and tract of CN V are equivalent to _________________...

 
the substantia gelatinosa and Lissauer�s tract of the spinal cord
21

Spinal trigeminal nucleus also receives pain information from

 
CNs VII, IX and X
22

Efferent axons from trigeminal  nucleus join the crossed ventral...

 

trigeminothalamic tract

23
Cells in the mesenphalic nucleus are involved with ______ and are equivalent to________
 
proprioception; dorsal root ganglion cells
24
The mesenphalic nucleus is involved with :
 

processing information from muscle spindles of

muscles of mastication

25
Muscles of mastication are involved with the _______ reflex
 
jaw jerk
26
The motor nucleus of trigeminal nerve supplies the  muscles of _____
 

medial and lateral pterygoids, masseter

and temporalis,...

27
Clincal testing for trigeminal nerve (CN V) includes:
 
Testing for skin sensation in forhead (Vi), cheek (Vii) and chin (Viii); corneal blink reflex...
28
Trigeminal is responsible for the ___ component of the corneal blink reflex
 
sensory
29
The most common affliction affecting CNV is______
 
Trigeminal neulagia or tic doloreux
30
Effect of tic doloreux
 
Causes excruciating pain in one of the areas usually maxillary
31
Cause of tic doloreaux
 
Aberrant artery putting pressure on the sensory root as it leaves the pons
32
CN VII is also known as the _____
 
Facial nerve
33
___ is the largest nerve in the face
 
CN VII (facial nerve)
34

CN VII enters the temporal bone via

 

internal acoustic meatus

35
CN VII has its sensory ganglion in the ___
 
temporal bone
36
The facial nerve gives rise to three bluranches in the facial canal that includes:
 
Greater petrosal, nerve to stapedius muscle, chorda tympani
37
Function of greater petrosal
 

carries parasympathetic fibers destined for

the sphenopalatine ganglion...

38
function of chorda tympani
 

carries taste and parasympathetic fibers

39
The major portion of CN VII exits via _____
 
stylomastoid formaen
40
The facial nerve controls the muscles of ______
 
fascial expression
41

orbicularis oculi

 
Muscle which closes the eye
42
orbiculis oris
 
sphincter of the oral cavity
43
Function of stapedius
 

contracts with loud sounds to dampen vibrations - protection of the auditory...

44
The parasympathetic components of the facial nerve include
 
lacrimal glands, sabmandivular and sublingual salivary glands
45
The special sensory component of the facial nerve deals with
 
taste on the anterrior 2/3 of tounge
46
Nuclei of CN VII include
 
Motor nuceli, nucleus solitarius and parasympathetic nuceli
47
The nuclues solitarius receives _____ information from CN IV (IX and X)
 
taset
48
The rostral or taste portion of nucleus solitarius is called
 
gustatory nucleus
49
CN VII is the ____ component of the ___ reflex
 
motor; corneal blink
50
Testing of CN VII includes
 
movement of facial muslces; taste; corneal blink
51
Bell's palsy is a ________ injury of CN VII
 
lower motor nueron
52
Bell's palsy is usually caused by
 
edema; perhaps as a result of viral infection
53
The _________ muscles are affected if Bell's palsy occurs at stylomastoid foramen
 
facial
54
Effect if Bell's pasly occurs proximal to the geniculate ganglion
 
All functions of the nerve
55
Each facial muscle and facila nerve supplies ipsi/contra lateral facial msucles
 
ipsilateral
56
A lower motor neuron deficit involves which muscles?
 
muscles of the ipsilateral half of the face (hemiface)
57
Typical site of injury for an upper motor neuron injury
 

stroke affecting the facial area of motor cortex or the genu and posterior...

58
These fibers supply the facial nucleus
 
Corticobulbar (corticopontine or corticonuclear)
59
The facial nucleus from the lower face receives corticofibers from ________
 
the contralateral cortex
60
The facial nucleus for the upper face receives cortcofibers from ______
 
both sides of the cortex (bilateral projections)
61
An upper motor neuron lesion produces _______
 
paralysis on only the lower quandrant of one side of the face

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