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Cranial Nerves Flashcards

1
Q

CN I

A

Olfactory Nerve

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2
Q

CN II

A

Optic Nerve

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3
Q

CN III

A

Oculomotor Nerve

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4
Q

CN IV

A

Trochlear Nerve

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5
Q

CN V

A

Trigeminal Nerve

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6
Q

CN VI

A

Abducent Nerve

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7
Q

CN VII

A

Facial Nerve

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8
Q

CN VIII

A

Vestibulocochlear Nerve

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9
Q

CN IX

A

Glassopharyngeal Nerve

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10
Q

CN X

A

Vagus Nerve

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11
Q

CN XI

A

Spinal Acessory Nerve

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12
Q

CN XII

A

Hypoglossal Nerve

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13
Q

Function of CN I

A

Sensory

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14
Q

Function of CN II

A

Sensory

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15
Q

Function of CN III

A

Motor

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16
Q

Function of CN IV

A

Motor

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17
Q

Function of CN V

A

Sensory and Motor

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18
Q

Function of CN VI

A

Motor

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19
Q

Function of CN VII

A

Sensory and Motor

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20
Q

Function of CN VIII

A

Sensory

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21
Q

Function of CN IX

A

Sensory and Motor

22
Q

Function of CN X

A

Sensory and Motor

23
Q

Function of CN XI

24
Q

Function of CN XII

25
Q

CN I - Olfactory Nerve
Passage through Skull?

A

Ethmoid Bone (Cribiform Plate)

26
Q

CN II - Optic Nerve
Passage through Skull?

A

Optic Canal

27
Q

CN III - Oculomotor Nerve
Passage through Skull?

A

Superior Orbital Fissure

28
Q

CN IV - Trochlear Nerve
Passage through Skull?

A

Superior Orbital Fissure

29
Q

CN V - Trigeminal Nerve
Passage through Skull?

A

CN V1 : Superior Orbital Fissure
CN V2 : Foramen Rotundum
CN V3 : Foramen Ovale

30
Q

What are the 3 Branches of Trigeminal Nerve

A

CN V1 : Ophthalmic Division
CN V2 : Maxillary Division
CN V3 : Mandibular Division

31
Q

CN VI - Abducent Nerve
Passage through Skull?

A

Superior Orbital Fissure

32
Q

CN VII - Facial Nerve
Passage through Skull?

A

Internal Acoustic Meatus

33
Q

CN VIII - Vestibulocochlear Nerve
Passage through Skull?

A

Internal Acoustic Meatus

34
Q

CN IX - Glossopharyngeal Nerve
Passage through Skull?

A

Jugular Foramen

35
Q

CN X - Vagus Nerve
Passage through Skull?

A

Jugular Foramen

36
Q

CN XI - Spinal Acessory Nerve
Passage through Skull?

A

Jugular Foramen

37
Q

CN XII - Hypoglossal Nerve
Passage through Skull?

A

Hypoglossal Canal

38
Q

CN I - Olfactory Nerve
Sensory Territory

A

Smell
- Olfactory Mucosa of Nasal Cavity

39
Q

CN II - Optic Nerve
Sensory Territory

A

Sight
- Retina

40
Q

CN III - Oculomotor Nerve
Sensory Territory

A

Somatomotor : extraocular muscles
Parasympathetic : ciliary ganglion to intraocular muscles

41
Q

CN IV - Trochlear Nerve
Sensory Territory

A

Somatomotor : superior oblique muscle

42
Q

CN V - Trigeminal Nerve
Sensory Territory

A

CN V1 : Somatic; Orbit, Nasal Cavity, Paranasal Sinuses , Face
CN V2 : Somatic; Nasal Cavity, Paranasal Sinuses, Superior Nasopharynx, Upper Oral Cavity, Internal Skull, Face
CN V3 : Somatic; Lower Oral Cavity, Ear, Internal Skull, Face

43
Q

CN VI - Abducent Nerve
Sensory Territory

A

Somatomotor : Lateral Rectus Muscle

44
Q

CN VII - Facial Nerve
Sensory Territory

A

Somatic : External Ear
Taste : Anterior 2/3 of Tongue
Parasympathetic : Ganglia

45
Q

CN VIII - Vestibulocochlear Nerve
Sensory Territory

A

Hearing + Balance : Cochlea (hearing), Vestibular Apparatus (balance)

46
Q

CN IX - Glossopharyngeal Nerve
Sensory Territory

A

Somatic : Oral Cavity, Pharynx, Tongue(posterior 1/3), Middle Ear
Taste : Tongue (posterior 1/3)
Visceral : Carotid Body + Sinus
Parasympathetic : Ganglion

47
Q

CN X - Vagus Nerve
Sensory Territory

A

Somatic : Ear + Internal Skull
Taste : Epiglottis + Root of Tongue
Visceral : Aortic Body, Larynx, Respiratory Tract, Thoracoabdominal

48
Q

CN XI - Spinal Acessory Nerve
Sensory Territory

A

Somatomotor : Trapezius + Sternocleidomastoid M.

49
Q

CN XII - Hypoglossal Nerve
Sensory Territory

A

Somatomotor : All Intrinsic + Extrinsic Lingual MM.

50
Q

Which cranial nerves are parasympathetic

A

CN III
CN VII
CN IX

Anatomy (15 decks)

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