Cranial Nerves Flashcards

1
Q

What CN controls the muscles of mastication?

A

CN V3

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2
Q

What CN supplies taste to the anterior 2/3rds

A

CN VII

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3
Q

What CN supplies taste and general sensation to the posterior 1/3rd of the tongue

A

CN IX

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4
Q

What CN supplies general sensation to the anterior 2/3rds of the tonuge?

A

CN V3

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5
Q

What CN supplies facial expression?

A

CN VII

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6
Q

What CN supplies the submandibular and sublingual salivary glands?

A

CN VII

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7
Q

What CN supplies sensation to the superior half of your oral cavity?

A

CN V2

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8
Q

What CN supplies sensation to the inferior half of your oral cavity?

A

CN V3

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9
Q

What CN carries the motor part of the gag reflex?

A

CN IX and CN X

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10
Q

What CN carries the sensory part of the gag reflex?

A

CN IX

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11
Q

If an anaesthetic is sprayed in the oral cavity, what CNs will be numbed?

A

CN V2, CN V3, CN VII and CN IX

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12
Q

What CN controls the parotid salivary gland?

A

CN IX

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13
Q

What CN controls the muscles of the tongue (except for the palatoglossus)

A

CN XII

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14
Q

What CN innervates the pharynx?

A

CN X

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15
Q

What CN stimulate the longitudinal muscles of the pharynx?

A

CN IX and CN X

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16
Q

What CN closes the lips?

A

CN VII

17
Q

Supplies facial expression?

A

CN VII

18
Q

Supplies Sublingual salivary gland?

A

CN VII

19
Q

Supplies submandibular gland?

A

CN VII

20
Q

Supplies anterior nasal cavity?

A

V1

21
Q

Supplies posterior nasal cavity?

A

V2

22
Q

Middle ear, eustation tube and internal surface of tympanic membrane

A

CN IX

23
Q

External (superior) surface of tympanic membrane and superior EAM

A

V3

24
Q

Nasopharynx, oropharynx, tonsils

A

CN IX

25
Q

External inferior surface of tympanic membrane

A

CN X

26
Q

Helix and outer auricle of ear

A

C2, C3

27
Q

Small dots of nerve in EAM

A

CN VII

28
Q

Laryngopharynx and oesophagus

A

CN X

29
Q

Associated with chorda tympani

A

CN VII which then joins V3

30
Q

Innervation of stapedius

A

CN VII

31
Q

Muscles of the soft palate

A

CN X

except tensor veli palatini

32
Q

Tensor veli palatini

A

V3

33
Q

Tongue pointing away unilaterally

A

damage to CN XII

points towards injury

34
Q

Uvula damage points away unilaterally

A

damge to CN X and V3

points away from injury

35
Q

Larynx and vocal cords

A

CN X

36
Q

Superior oblique

A

CN IV

37
Q

Lateral rectus

A

CN VI

38
Q

All other eye muscles

A

CN III