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809 Exam 3 Anatomy Review PPT > CN IX > Flashcards

CN IX Flashcards

1
Q

Regarding the somatic motor pathway of CN IX:

the UMNs are in the

A

inferolateral portion of the precentral gyrus

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2
Q

the tympanic nerve carries what fibers __________ to the parotid gland

A

PreGPS

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3
Q

the main TASTE target of CN IX is:

A

posterior 1/3 tongue

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4
Q

the main VISCERAL SENSORY targets of CN IX are:

hint: there are 3

A

carotid body & sinus

oropharynx

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5
Q

the pharyngeal branch of CN IX carries sensory from the _________

A

oropharynx

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6
Q

Regarding CN IX:

the 2nd order cell bodies for taste are in the

A

Nucleus solitarius/solitary nucleus

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7
Q

Regarding CN IX:

the PreGPS cell bodies to the parotid gland are in the ____________ nucleus

A

inferior salivary nucleus

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8
Q

Regarding the special sensory (TASTE) pathway of CN IX:

the 2nd order neurons are in the

A

solitary nucleus

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9
Q

Regarding the somatic motor pathway of CN IX:

synapse on _________ in ________

A

LMNs ; nucleus ambiguous

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10
Q

the main SOMATIC MOTOR target of CN IX is:

A

stylopharyngeus muscle

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11
Q

Regarding the pathway for carotid body, carotid sinus, & oropharynx pathway of CN IX:

Axons from inferior ganglion of CN IX synapse on 2nd order neurons in the

A

solitary nucleus

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12
Q

Regarding the somatic sensory pathway of CN IX:

Fibers project _______ in the __________ to 3rd order neurons in the _____ of thalamus

A

contralaterally ; ventral trigeminothalamic tract ; VPM

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13
Q

Regarding CN IX:

the 2nd order cell bodies for pain & temperature are in the

A

Spinal trigeminal nucleus

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14
Q

Regarding the visceral motor (parasympathetic) pathway of CN IX:

the PreGPS cell bodies travel through the ________ and from the _______ nerve

A

tympanic plexus ; lesser petrosal

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15
Q

Regarding the special sensory (TASTE) pathway of CN IX:

axons from VPM of thalamus project to the ___________ gustatory cortex and insula

A

ipsilateral

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16
Q

Regarding the somatic sensory pathway of CN IX:

the 1st order cell bodies for the posterior tongue & tonsillar fossa/bed/sinus are in the

A

inferior ganglion of CN IX

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17
Q

the 2 major named branches of CN IX are

A

lesser petrosal nerve

tympanic plexus

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18
Q

Regarding the special sensory (TASTE) pathway of CN IX:

what is the main target

A

taste posterior 1/3 tongue

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19
Q

Regarding CN IX:

the 2nd order cell bodies for visceral sensory are in the

A

Nucleus solitarius/solitary nucleus

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20
Q

Regarding the somatic sensory pathway of CN IX:

Fibers from superior and inferior ganglia travel through the

A

spinal trigeminal tract

21
Q

Regarding the pathway for carotid body, carotid sinus, & oropharynx pathway of CN IX:

Axons from 2nd order neurons project to 3 places. Where do they project to when it involves the gag reflex

A

nucleus ambiguous

22
Q

Regarding the somatic sensory pathway of CN IX:

axons from the VPM of the thalamus project to the

A

Postcentral gyrus (Inferolateral)

23
Q

Regarding the visceral motor (parasympathetic) pathway of CN IX:

the main target is the

A

parotid gland

24
Q

the muscular branch of CN IX carries somatic motor to the _________ muscle

A

stylopharyngeus

25
Regarding the pathway for carotid body, carotid sinus, & oropharynx pathway of CN IX: Axons from 2nd order neurons project to 3 places. Where do they project to when it involves blood pressure, heart rate, and baroreceptors?
dorsal vagal nucleus
26
the tympanic nerve carries __________ from the middle ear
somatic sensory
27
the main SOMATIC SENSORY targets of CN IX are: hint: there are 5
posterior 1/3rd tongue, tonsillar bed, middle ear cavity, internal surface tympanic membrane, oropharynx*
28
Regarding the somatic motor pathway of CN IX: the UMNs descend _______ in the ________ tracts
bilaterally ; corticobulbar
29
Regarding CN IX: the 1st order cell bodies for the middle ear are in the
superior ganglion of CN IX
30
Regarding the special sensory (TASTE) pathway of CN IX: 2nd order axons also project to the _____ & ________ for the salivary reflex
superior & inferior salivary nuclei
31
Regarding the somatic motor pathway of CN IX: what is the main target
the 3rd arch = stylopharyngeus muscle
32
Regarding the somatic motor pathway of CN IX: the nucleus ambiguous is also home to the LMNs of CN
X
33
Regarding the somatic sensory pathway of CN IX: Some 2nd order fibers project to the __________ instead of projecting to the VPM for the ____ reflex
nucleus ambiguous ; gag
34
Regarding the pathway for carotid body, carotid sinus, & oropharynx pathway of CN IX: the 1st order neurons are in the
inferior ganglion of CN IX
35
the carotid branch of CN IX carries visceral sensory to the _________ & ________
carotid body ; sinus
36
the oral branch of CN IX carries taste from the
posterior 1/3 tongue
37
Regarding the special sensory (TASTE) pathway of CN IX: the 1st order neurons are in the
inferior ganglion of CN IX
38
Regarding CN IX: the 1st order cell bodies for Taste Posterior 1/3rd tongue, tonsillar bed, oropharynx Carotid body & sinus are in the
inferior ganglion of CN IX
39
Regarding the visceral motor (parasympathetic) pathway of CN IX: the PreGPS cell bodies in the inferior salivary nucleus are influenced by the
hypothalamus
40
Regarding the pathway for carotid body, carotid sinus, & oropharynx pathway of CN IX: Axons from 2nd order neurons project to 3 places. Where do they project to when it involves ventilation and chemoreceptors
reticular formation
41
Regarding the visceral motor (parasympathetic) pathway of CN IX: the PreGPS cell bodies are located in the
inferior salivary nucleus
42
the oral branch of CN IX carries sensory to the _________ and ________ bed
posterior 1/3 tongue tonsilar
43
the lesser petrosal nerve carries what kind of fibers to the parotid gland
PreGPS
44
Regarding the somatic sensory pathway of CN IX: fibers synapse on 2nd order cell bodies located in the
spinal trigeminal nucleus
45
Regarding CN IX: the somatic motor fibers to the stylopharyngeus muscle are in the _________ ambiguous
nucleus ambiguous
46
Regarding the special sensory (TASTE) pathway of CN IX: the axons project ________ to the 3rd order neurons in the VPM of thalamus
ipsilaterally
47
Regarding the somatic sensory pathway of CN IX: the 1st order cell bodies for the middle ear & internal surface tympanic membrane are in the
superior ganglion of CN IX
48
Regarding the visceral motor (parasympathetic) pathway of CN IX: the lesser petrosal nerve synapses on ________ cell bodies in the ____ ganglion
PostGPS ; otic
49
the main PS target of CN IX is
parotid gland

809 Exam 3 Anatomy Review PPT (9 decks)

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