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Anatomy Block 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN1

A

Olfactory

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2
Q

CN2

A

Optic

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3
Q

CN3

A

Oculomotor

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4
Q

CN4

A

Trochlear

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5
Q

CN5

A

Trigeminal

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6
Q

CN6

A

Abducens

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7
Q

CN7

A

Facial

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8
Q

CN8

A

Vestibulocochlear

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9
Q

CN9

A

Glossopharyngeal

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10
Q

CN10

A

Vagus

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11
Q

CN11

A

Accessory

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12
Q

CN12

A

Hypoglossal

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13
Q

which nerves are entirely sensory?

A

Olfactory (I)
Optic (II)
Vestibulocochlear (8)

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14
Q

which nerves are entirely motor?

A 
Oculomotor (3)
Trochlear (4)
Abducens (6)
Accessory 11
Hypoglossal 12
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15
Q

which nerves are mixed?

A

Trigeminal 5
Facial 7
Glossopharyngeal 9
Vagus 10

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16
Q

which nerves have parasympathetic components?

A

Oculomotor 3
Facial 7
Glossopharyngeal 9
Vagus 10

17
Q

which nerves contain taste fibers?

A

Facial 7
Glossopharyngeal 9
Vagus 10

18
Q

what opening in the skull does CN 1 come out of?

A

openings in the cribiform plate of the ethmoid bone

19
Q

what do the motor and parasympathetic components of the oculomotor nerve do?

A

motor- move the muscles of the eye

parasympathetic- constrict the pupil and accommodate eye

20
Q

what opening does the trochlear nerve exit?

A

superior orbital fissure

21
Q

what is the motor function of the trochlear nerve?

A

move the eye downward and laterally

22
Q

what are the 3 divisions of the trigeminal nerve?

A

opthalmic division
maxillary division
mandibular division

23
Q

where does the opthalmic division of the trigeminal nerve supply?

A

cornea
skin of forehead, scalp, eyelids, nose
mucous membrane of paranasal sinuses and nasal cavity

24
Q

where does the maxillary division of the trigeminal nerve supply?

A

skin of face over maxilla and upper teeth
teeth of upper jaw
mucous membrane of nose
maxillary air sinus

25
Q

what does the mandibular division of the trigeminal nerve supply?

A

skin of the cheek, mandible, side of head
teeth of lower jaw and temporomandibular joint
mucous membrane of mouth and anterior 2/3 of tongue

26
Q

what motor innervation does the mandibular branch of trigeminal supply?

A

muscles of mastication

27
Q

what are all the components of the facial nerve?

A

motor, sensory, parasympathetic, and taste

28
Q

what does the vestibular nerve do?

A

part of vestibulocochlear nerve; position and movement of the head

29
Q

what does the cochlear nerve do?

A

part of the vestibulocochlear nerve; hearing

30
Q

where do the sensory fibers from the glossopharyngeal nerve come from?

A

carotid sinus

31
Q

what does the glossopharyngeal nerve parasympathetically innervate?

A

parotid gland

32
Q

what does the accessory nerve innervate?

A

sternocleidomastoid + trapezius

33
Q

what muscle of the tongue does CN 12 NOT innervate?

A

palatoglossus muscle

Anatomy Block 3 (12 decks)

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