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Neuro I > Intro CN > Flashcards

Intro CN Flashcards

(52 cards)

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1
Q

What does GSA stand for

A

general somatic afferent

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2
Q

what are the types of GSAs

A

exteroceptive and proprioceptive

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3
Q

what are exteroceptive impulses

A

pain temperature touch from epithelium of ectodermal origin

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4
Q

what are proprioceptive impulses

A

sensory endings in body wall, tendons and joints

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5
Q

What does GVA stand for

A

general visceral afferent

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6
Q

what are general visceral afferents

A

fibers carrying sensory impulses like pain from viscera within body lined by epithelium of endodermal origin

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7
Q

Where are special afferent fibers found

A

in cranial nn

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8
Q

what are the 2 types of special afferents

A

special somatic afferent SSA

special visceral afferent SVA

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9
Q

what type of afferents carry vision, hearing and quilibrium

A

special somatic afferents

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10
Q

what type of afferents carry smell and taste

A

special visceral afferent

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11
Q

What does GSE stand for

A

general somatic efferent

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12
Q

what fibers are GSE

A

fibers with motor impulses to somatic (skeletal) muscle

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13
Q

what does GVE stand for

A

general visceral efferent

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14
Q

what fibers are GVE

A

autonomic fibers that inn smooth m of gut, vasculature and cardiac mm, and gibers for glandular secretion

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15
Q

what are the subdivisions of GVE

A

sympathetic and parasympathetic

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16
Q

what type of nerves have GVE

A

spinal and some cranial nn

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17
Q

What are the 2 types of special efferents

A

special visceral efferent SVE

special somatic efferent SSE

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18
Q

What nn are special visceral efferents

A

nn that inn skel m from visceral arch mesoderm like the mm of mastication, facial expressionm pharynx, palate and larynx

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19
Q

what type of nn fibers can reflexively influence sensory input to the ear

A

special somatic efferent SSE

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20
Q

What CN are PAN

A

III VII IX X

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21
Q

what CN carry special visceral efferents

22
Q

What CN carry special somatic efferents

23
Q

what nn carry somatic general efferents

Study These Flashcards
A

CN III IV VI XI XII and all spinal nn

24
Q

What are the proprioceptive CN that are afferent somatic general sensory

Study These Flashcards
A

CN V and all spinal nn

25
what are the exteroceptive nn that are sensory afferent somatic
all spinal | V VII IX X
26
what are the special somatic sensors afferent CN
``` VIII(vestibular)-proprioceptive II VIII(cochlear)- exteroceptive ```
27
what are the sensory afferent visceral nn
all spinal | CN VII IX and X
28
what are the special sensory visceral CN
smell is CN I | taste is CN VII IX X
29
What is CN I and type of fibers and modality
olfactory, SVA, sensory
30
What is CN II and type of fibers and modality
optic, SSA, sensory
31
What is CN III and type of fibers and modality
oculomotor, GSE, GVE-parasympathetic, motor
32
What is CN IV and type of fibers and modality
trochlear, GSE and motor
33
What is CN V and type of fibers and modality
trigeminal, GSA and SVE, both
34
What is CN VI and type of fibers and modality
abducens, GSE and motor
35
What is CN VII and type of fibers and modality
Facial, SVE GSA SVA GVA GVE-P and both
36
What is CN VIII and type of fibers and modality
acoustic vestibulocochlear, SSA SSE sensory
37
What is CN IX and type of fibers and modality
glossopharyngeal SVE GSA SVA GVA GVE-P both
38
What is CN X and type of fibers and modality
vagus, SVE GSA SVA GVA GVE-P both
39
What is CN XI and type of fibers and modality
spinal accessory, GSE motor
40
What is CN XII and type of fibers and modality
hypoglossal GSE motor
41
why is olfactory or CN I Special visceral afferent
because assist body in preparation for eating, reflex salivation and increase gastric motility
42
why is CN II optic special somatic afferent
afferent fibers of retina, primary receptor for sense of sight
43
describe why CN III oculomotor is both GSE and GVE-P
general somatic efferent in its motor to extraoccular mm general visceral efferent-PAN because PAN to intraocular m which change shape of lens for accommodation and pupillary constriction(ciliary ganglion)
44
describe why CN IV trochlear is GSE
general somatic efferent because inn superior oblique of eye
45
describe why CN V trigeminal is GSA and SVE
general somatic afferent because major sensory of head inn scalp and face, all conjunctiva, epithelium of nasal cavity, paranasal sinuses, oral cavity, skin of outer ear, external auditory meatus, cranial dura and proprioception to all skel m of head special visceral efferent to motor skel m of pharyngeal arch origin, mm of mastication, mylohyoid, anteiror belly of digastric, tensor vali palatini and tensor tympani mm
46
describe why CN VI abducens is GSE
general somatic efferent b/c inn lateral rectus
47
describe why CN VII facial is SVE, GSA, SVA, GVA, GVE-P
SVE- motor to second pharyngeal arch origin mm of facial expression, stylohyoid, post belly digastric m and stapedius GSA- sensory to external ear and external auditory meatus SVA- taste ant 2/3 tongue chorda tympani GVA- sensory uppermost pharynx GVE-P- PAN to lacrimal gland, nasal, palatal, oral and pharyngeal mucous glands via greater petrosal n and pterygopalatine ganglion to submandibular and sublingual salivary glands via chorda tympani and submandibular ganglion
48
describe why CN VIII vestibulocochlear is SSA and SSE
special somatic afferent because organ of corti related to sense of hearing afferent from semicircular canals, utricle and saccule of internal ear relative to sense of equilibrium special somatic efferent thru motor related to auditory input
49
describe why CN IX glossopharyngeal is SVE, GSA, SVA, GVA, GVE-P
special visceral efferent- motor to skel m of pharyngeal arch origin, stylopharyngeus general somatic afferent- sensory to portion of skin to external ear special visceral afferent- taste from post 1/3 tongue general visceral afferent- sensory to epithelium lining pharynx from base of skull to laryngeal adieus, middle ear internal tympanic membrane, tonsils, posterior third of tongue, parotid gland carotid sinus GVE-P secretory fibers to parotid salivary gland via lesser petrosal nerve and otic ganglion
50
describe why CN X vagus is SVE, GSA, SVA, GVA and GVE-P
SVE- motor to skel m or pharyngeal arches 4 and 6(superior, middle, inf pharyngeal constrictor, salpingopharyngeus, levator veli palatini, palatoglossus, palatopharyngeus, post lat cricoarytenoid, transverse and oblique arytenoid, thyroarytenoid and upper esophagus GSA- cutaneous external ear, meatus, surface tympanic membrane and dura of post fossa SVA- taste from epiglottic surface of tongue GVA-sensory root of tongue, larynx respiratory system, heart gut tube and distal third transverse colon, capsule liver spleen kidneys and gonads GVE-P mucous lglands in larynx, sm m in glands of gut tube to distal third transverse colon, cardiac m and respiratory system
51
describe why CN XI spinal accessory is GSE
motor to SCM and trapezius
52
describe why CN XII hypoglossal is GSE
motor to styloglossus, genioglossus, hyoglossus, intrinsic mm of tongue (longitudinal, vertical and transverse)

Neuro I (9 decks)

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