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Anatomy Exam II > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Foramen: I

A

Cribiform plate

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2
Q

Foramen: II

A

Optic foramen

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3
Q

Foramen: III

A

Sup. orbital fissure

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4
Q

Foramen: IV

A

Sup. orbital fissure

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5
Q

Foramen: V

A

Ophthalmic- sub. orbital fissure
Maxillary- foramen rotundum
Mandibular- foramen ovale

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6
Q

Foramen: VI

A

Sup. orbital fissure

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7
Q

Foramen: VII

A

Internal auditory meatus

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8
Q

Foramen: VIII

A

Internal auditory meatus

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9
Q

Foramen: IX

A

Jugular foramen

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10
Q

Foramen: X

A

Jugular foramen

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11
Q

Foramen: XI

A

Foramen magnum and jugular foramen

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12
Q

Foramen: XII

A

hypoglossal canal

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13
Q

Component/ Main innervation: I

A

SVA

olfactory nasal mucosa (smell)

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14
Q

Component/ Main innervation: II

A

SSA

rods and cones of retina (vision)

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15
Q

Component/ Main innervation: III

A
  1. GVE

(via ciliary ganglion) to sphincter pupillae and ciliary muscles

  1. GSE

sup, med, and inf recticus and inferior oblique eye muscles and elevator palpebral superiors

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16
Q

Component/ Main innervation: IV

A

GSE

superior oblique eyeball muscle

17
Q

Main innervation: V (GSA)

A

V1: skin of upper part of face (upper orbit and above)
V2: skin of mid face, upper teeth, nasal and palatal mucosa
V3: skin of lower face and jaw, floor of mouth, mucosa of anterior 2/3 tongue, lower teeth and gums, ear pinna and canal

18
Q

Main innervation: V (SVE)

A

motor to muscles of mastication, anterior belly of digastr, tensor tympani, mylohyoid, tensor palatini

19
Q

Component/ Main innervation: VI

A

GSE / abducens nucleus (pons) / motor to lateral recturs muscle (LR6)

20
Q

Component/ Main innervation: VII

A
  1. GVA / deep sense soft palate
  2. SVA / taste buds from the an 2/3 of the tongue
  3. GSA / sens. from small part of ear pinna
  4. GVE / motor to submand, subling gls, lacrimal gls, glands in nasal mucosa
  5. SVE / motor to musc facial expressions, post belly diagast, stylohyoid, stapedius
21
Q

Component/ Main innervation: VIII

A

SSA

a. cochlear nuclei / organ of certain cochlear duct
b. vestibular nuclei / semicircular canals, utricle, saccule

22
Q

Component/ Main innervation: XII

A

GSE / intrinsic and extrinsic muscles of the tongue (palatoglossus excepted)

23
Q

Component/ Main innervation: IX

A
  1. GVA / deep sens. post tongue, soft palate, pharynx, mucosa of tymp cavity, post auditory tube, carotid body and sinus
  2. SVA / taste buds post 1/3 of tongue and adjacent pharynx
  3. GSA / gen sens from small part of ear pinna and canal
  4. GVE / parotid salivaary gland (secretomotor)
  5. SVE / stylopharygeaus muscle
24
Q

Component/ Main innervation: X

A
  1. GVA / visc. sens from pharynx, esoph, trachea, larynx, and abdom visc
  2. SVA / taste buds in epiglottis and glottis
  3. GSA / sens from small part of ear pinna, canal, and tymp membrane
  4. GVE / thoracic and abdominal viscera
  5. SVE / muscles of pharynx and larynx, lev. palatine and cricothyroid
25
Q

Component/ Main innervation: XI

A

SVE / motor to sternocleidomastoid and trapezius

26
Q

GSE

A

general somatic efferent: motor to voluntary muscle

27
Q

GSA

A

general somatic afferent: sensation from skin, muscle, joints

28
Q

GVE

A

general visceral efferent: motor to smooth muscle and glands

29
Q

GVA

A

general visceral afferent: sensation from internal organs

30
Q

SVE

A

special visceral efferent: voluntary motor to pharyngeal arch

31
Q

SVA

A

special visceral afferent: taste and smell

32
Q

SSA

A

special somatic afferent: vision, hearing, balance

Anatomy Exam II (13 decks)

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