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A&P Exam 2 > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q

Cranial nerve types:

A

1) sensory only
2) mostly motor
3) mixed

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2
Q

Why can’t a cranial nerve be all motor output?

A

Some sensory input is required for feedback to tell that action has been completed

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3
Q

Proprioceptor

A

Sensory neuron that receives stimulus from within body to indicate position

Motor nerves contain these neurons

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4
Q

Cranial nerve I

A

Olfactory

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5
Q

Olfactory function

A

Sensory

Sense of smell

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6
Q

Cranial nerve II

A

Optic

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7
Q

Optic function

A

Sensory

Vision

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8
Q

Cranial nerve III

A

Oculomotor

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9
Q

Oculomotor function

A

Mainly motor

Movement of upper eyelid and eyeball

Regulates size of pupil

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10
Q

Cranial nerve IV

A

Trochlear

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11
Q

Trochlear function

A

Mainly motor

Movement of eyeball

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12
Q

Cranial Nerve V

A

Trigeminal

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13
Q

Trigeminal function

A

Mixed

Sensory: carries sensations of head and face

Motor: chewing

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14
Q

Cranial nerve VI

A

Abducens

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15
Q

Abducens function

A

Mainly motor

Movement of eyeball

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16
Q

Cranial nerve VII

A

Facial

17
Q

Facial function

A

Mixed

Sensory:taste

Motor: facial expressions, tears, and saliva

18
Q

Cranial nerve VIII

A

Vestibulocochlear

19
Q

Vestibulocochlear function

A

Sensory

Balance, equilibrium, and hearing

20
Q

Cranial nerve IX

A

Glossopharyngeal

21
Q

Glossopharyngeal function

A

Mixed

Sensory: taste, breathing, blood pressure

Motor: swallowing

22
Q

Cranial nerve X

A

Vagus

23
Q

Vagus function

A

Mixed

Slowing heart rate, voice production, sensations from throat and ear

24
Q

CN XI

A

Accessory

25
Q

Accessory function

A

Mainly motor

Move neck and head
Skeletal muscles of throat

26
Q

Cranial nerve XII

A

Hypoglossal

27
Q

Hypoglossal function

A

Mainly motor

Movement of tongue when swallowing and talking

28
Q

Name the cranial nerves in order

A 
Olfactory 
Optic 
Oculomotor 
Trochlear 
Trigeminal 
Abducens 
Facial 
Vestibulocochlear 
Glossophraryngeal 
Vagus 
Accessory 
Hypoglossal

A&P Exam 2 (8 decks)

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