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809 Exam 3 Anatomy Review PPT > CN V > Flashcards

CN V Flashcards

1
Q

Regarding the lacrimal reflex:

the 1st order cell bodies are in the

A

trigeminal ganglion

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2
Q

CN V2 travels through the _________ rotundum

A

foramen

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3
Q

Regarding CN V:

the RIGHT VPM & postcentral gyrus carries discriminative touch from the ______ side of the oral cavity

A

right

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4
Q

The 2nd order cell bodies for touch of CN V are in the

A

Chief/main/principal/pontine nucleus

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5
Q

Regarding somatic motor for CN V:

the UMNs are in the

A

inferolateral precentral gyrus

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6
Q

Regarding the proprioception pathway of CN V:

the 1st order neurons for proprioception are in the mesencephalic nucleus innervate what 4 things:

A

TMJ
teeth
palate
muscles of mastication

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7
Q

Regarding the lacrimal reflex:

the 2nd order cell bodies are in what 2 nuclei

A

spinal trigeminal nucleus
chief sensory nucleus

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8
Q

_________ & _________ fibers hitch a ride on all branches of CN V2

A

PostGS and PS

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9
Q

Regarding somatic motor for CN V:

the LMNs are located in the ___________ in the PONS

A

trigeminal motor nucleus

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10
Q

The 2nd order cell bodies for pain and temperature of CN V are in the

A

spinal trigeminal nucleus

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11
Q

Regarding CN V:

the RIGHT VPM & postcentral gyrus carries discriminative touch from the _____ side of the head and targets CN ____ (minimal / zero oral cavity)

A

left ; V

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12
Q

Regarding CN V:

the RIGHT VPM & postcentral gyrus carries discriminative touch from the _____ side of the oral cavity

A

right

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13
Q

The 1st order cell bodies for proprioception of CN V are in the

A

mesencephalic nucleus

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14
Q

Regarding pain & temperature of CN V:

the 1st order cell bodies for sensory functions of CN VII are in the

A

geniculate ganglion

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15
Q

Regarding pain & temperature of CN V:

the 1st order cell bodies for sensory functions of CN IX are in the

A

inferior ganglion of CN IX

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16
Q

What are the main sensory targets of CN V?

hint: there are 6

A

Most of the skin of the face EXCEPT angle of mandible

oral cavity

orbit

nasal cavity

nasopharynx

meninges

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17
Q

Regarding the corneal reflex:

the 2nd order cell bodies project to the

A

superior salivatory nucleus

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18
Q

Regarding the corneal reflex:

the 1st order cell bodies are in the

A

trigeminal ganglion

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19
Q

Regarding the proprioception pathway of CN V:

Damage to UMNs bilaterally would show a

A

prominent jaw jerk reflex

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20
Q

_____ from the palate hitches a ride on palatal nerves of CN V2

A

Taste

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21
Q

Regarding pain & temperature of CN V:

the 1st order cell bodies central processes travel in the

A

spinal trigeminal tract

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22
Q

Regarding pain & temperature of CN V:

the ROSTRAL portion (pars oralis) of the 2nd order cell bodies in the spinal trigeminal nucleus go to the

A

oral cavity

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23
Q

Regarding the oculocardiac reflex:

the 2nd order cell bodies are in what 2 nuclei

A

spinal trigeminal nucleus
chief sensory nucleus

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24
Q

Regarding discriminative touch & pressure of CN V:

the 2nd order cell bodies fibers project PREDOMINANTLY ___________ in the ___________ tract for oral cavity

A

ipsilaterally ; dorsal trigeminothalamic

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25
Regarding discriminative touch & pressure of CN V: the 2nd order cell bodies fibers project PREDOMINANTLY ___________ in the ___________ tract from the face & other CN V targets EXCEPT for oral cavity
contralaterally ; ventral trigeminothalamic
26
Regarding somatic motor for CN V: the LMNs axons travel inferior to the ____________ and join CN ____
trigemnial ganglion ; V3
27
The LMNs to muscles of mastication, mylohyoid, anterior belly of digastric, tensor veli palatini, tensor tympani of CN V are in the
trigeminal motor nucleus
28
Regarding discriminative touch & pressure of CN V: the 1st order cell bodies are in the
trigeminal ganglion
29
Regarding the corneal reflex: the 2nd order cell bodies project to the
facial motor nucleus
30
Regarding CN V: the LEFT VPM & postcentral gyrus carries pain & temperature from the _____ side of the head
right
31
Regarding CN V: the dorsal trigeminothalamic tract carries touch from the ______ side of the oral cavity
IPSILATERAL
32
CN V2 travels through the _________ sinus
cavernous
33
Regarding CN V reflexes: the corneal reflex, lacrimal reflex, and oculocardiac reflex all have ______ branches
V1
34
Regarding CN V: the RIGHT VPM & postcentral gyrus carries pain & temperature from the _____ side of the head
left
35
Regarding somatic motor for CN V: a bilateral lesion to the UMNs =
prominent jaw jerk reflex
36
Regarding pain & temperature of CN V: the 1st order cell bodies for sensory functions of CN X are in the
inferior (nodose) ganglion of CN X
37
Regarding the corneal reflex: the 2nd order cell bodies are in what 2 nuclei
spinal trigeminal nucleus and chief sensory nucleus
38
CN V2 gives rise to what main branches Hint: there are 8
Infra-orbital - anterior & middle superior alveolar Zygomatic Greater palatine Lesser palatine Pharyngeal Nasopalatine Posterior lateral nasal Posterior superior alveolar
39
Regarding CN V: the LEFT VPM & postcentral gyrus carries discriminative touch from the _____ side of the oral cavity
left
40
Regarding pain & temperature of CN V: the 2nd order cell bodies are in the
spinal trigeminal nucleus
41
Regarding somatic motor for CN V: the LMNs axons innervate what places? Hint: there are 8 locations
Temporalis Masseter Lateral pterygoid Medial pterygoid Anterior belly digastric Mylohyoid Tensor veli palatini Tensor tympani
42
Regarding the oculocardiac reflex: the 1st order cell bodies are in the
trigeminal ganglion
43
Regarding somatic motor for CN V: A lesion to the LMNs =
paralysis of muscles on ipsilateral side so the jaw deviates to the same side
44
Regarding CN V: the LEFT dorsal trigeminothalamic tract carries touch information from the ______ side of the oral cavity
left
45
Regarding discriminative touch & pressure of CN V: the 3rd order cell bodies are in the VPM of the thalamus and the axons project to the inferolateral portion of the __________
postcentral gyrus
46
What are the main targets of CN V2? Hint: there are 8
Maxillary sinus Maxillary teeth & gingivae Nasal cavity Palate Nasopharynx Skin over maxilla Skin over anterior temple region Meninges anterior/middle cranial fossa
47
Regarding discriminative touch & pressure of CN V: the 2nd order cell bodies are in the
Chief/main/principal/pontine nucleus
48
Regarding pain & temperature of CN V: the 3rd order cell bodies in the VPM of the thalamus project to the
inferolateral portion of the postcentral gyrus
49
Regarding the proprioception pathway of CN V: The jaw jerk reflex kept subdued by ___________ in normal circumstances
upper motor neurons
50
Regarding somatic motor for CN V: the UMNs axons project ________ via the _________ tract
bilaterally ; corticobulbar
51
the 1st order cell bodies for touch, pain, temperature of CN V are in the
trigeminal ganglion
52
Regarding pain & temperature of CN V: the 2nd order cell bodies in the spinal trigeminal nucleus axons project ____________ in the __________ tract
contralaterally ; ventral trigeminothalamic
53
Regarding CN V: the ventral trigeminothalamic tract carries discriminative touch from the _______ of the side of the head and targets CN ___
opposite ; CN V
54
Regarding pain & temperature of CN V: the 1st order cell bodies are in the
trigeminal ganglion
55
Regarding CN V: the ventral trigeminothalamic tract carries pain & temperature from the ______ side of the head
opposite
56
Regarding pain & temperature of CN V: the 3rd order cell bodies are in the
VPM of thalamus
57
Regarding pain & temperature of CN V: CN VII, IX, X also send their _________ fibers through this pathway
somatic sensory
58
CN V2 travels through the __________ aspect of the ______________ fossa
superior ; pterygopalatine
59
What are the main motor targets of CN V? hint: there are 5
Muscles of mastication Tensor veli palatini Tensor tympani Mylohyoid Anterior belly digastric
60
Regarding pain & temperature of CN V: the CAUDAL portion (pars caudalis 4 & 5) of the 2nd order cell bodies in the spinal trigeminal nucleus go to the
TMJ
61
Regarding the proprioception pathway of CN V: Axons from mesencephalic nucleus primarily project to the
trigeminal motor nucleus
62
Regarding CN V: The LEFT ventral trigeminothalamic tract carries touch information from the _____ side of the head and targets CN ____ (minimal / no oral cavity) and pain & temperature information from the ____ side of the head
right ; V ; right
63
Regarding CN V: the LEFT VPM & postcentral gyrus carries discriminative touch from the ______ side of the head targets of CN V (minimal / zero oral cavity)
right
64
Regarding discriminative touch & pressure of CN V: the 3rd order cell bodies are in the
VPM of thalamus
65
Regarding somatic motor for CN V: a unilateral lesion to the UMNs =
no clinical level effect
66

809 Exam 3 Anatomy Review PPT (9 decks)

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