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A & P Fall 2013 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial Nerve I

A

Olfactory Nerve

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2
Q

What kind of nerve fiber is olfactory?

A

Sensory Nerve

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3
Q

What is the function of cranial nerve is olfactory?

A

Smell

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4
Q

Cranial Nerve II

A

Optic Nerve

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5
Q

What kind of nerve fiber is optic?

A

Sensory Nerve

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6
Q

What is the function of cranial nerve is optic?

A

Vision

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7
Q

Cranial Nerve III

A

Oculomoter

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8
Q

What kind of nerve fiber is oculomotor?

A

Motor Nerve

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9
Q

What is the function of cranial nerve is oculomotor

A

Eye movement (extrinsic eye muscles); Pupil (iris) constriction & focus of lens

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10
Q

Cranial Nerve IV

A

Trochlear

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11
Q

What kind of nerve fiber is trochlear?

A

Motor Nerve

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12
Q

What is the function of cranial nerve trochlear?

A

Eye movement (extrinsic eye muscles)

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13
Q

Cranial Nerve V

A

Trigeminal

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14
Q

What kind of nerve fiber is trigeminal?

A

Motor & Sensory nerve

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15
Q

What is the function of cranial nerve trigeminal?

A

Sensory: Face, lips, gums, teeth & tongue (not taste buds)

Motor: Muscles for chewing

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16
Q

Cranial Nerve VI

A

Abducens

17
Q

What kind of nerve fiber is abducens?

A

Motor Nerve

18
Q

What is the function of cranial nerve is abducens?

A

Eye movement (extrinsic eye muscles)

19
Q

Cranial Nerve VII

A

Facial

20
Q

What kind of nerve fiber is facial?

A

Motor & Sensory Nerve

21
Q

What is the function of cranial nerve is facial?

A

Motor:
Somatic Motor Function: muscles for facial expression
Parasympathetic Motor: impulses to lacrimal & salivary glands

Sensory: Taste form anterior 2/3rds of tongue

22
Q

Cranial Nerve VIII

A

Vestibulocochlear

23
Q

What kind of nerve fiber is vestibulocochlear?

A

Sensory Nerve

24
Q

What is the function of cranial nerve vestibulocochlear?

A

Hearing & Balance

25
Q

Cranial Nerve IX

A

Glossopharyngeal

26
Q

What kind of nerve fiber is glossopharyngeal?

A

Motor & Sensory Nerve

27
Q

What is the function of cranial nerve is glossopharyngeal?

A

Somatic Motor Function: innervate part of tongue & pharynx for swallowing
Parasympathetic Motor Function: fibers to the parotid salivary glands

Sensory:
fibers conduct taste & general sensory impulses from the pharynx & posterior tongue , & impulses from carotid chemoreceptors and baroreceptors

28
Q

Cranial Nerve X

A

Vagus

29
Q

What kind of nerve fiber is vagus?

A

Motor & Sensory Nerve

30
Q

What is the function of cranial nerve is vagus?

A

Somatic Motor Function: pharynx & larynx muscles for swallowing
Parasympathetic Motor Function: fibers that help regulate the heart, lungs & abdominal viscera

Sensory:
Fivers carry impulses from thoracic & abdominal viscera, aortic arch baroreceptors, carotid & aortic chemoreceptors, pharynx & taste buds of posterior tongue

31
Q

Cranial Nerve XI

A

Accessory

32
Q

What kind of nerve fiber is accessory?

A

Motor Nerve

33
Q

What is the function of cranial nerve is accessory?

A

Sternocleiodmastoid muscle & trapezius muscle

34
Q

Cranial Nerve XII

A

Hypoglossal

35
Q

What kind of nerve fiber is hypoglossal?

A

Motor Nerve

36
Q

What is the function of cranial nerve hypoglossal?

A

Swallowing (tongue)

37
Q

What is the cranial nerve fiber type mnemonic?

A

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A & P Fall 2013 (6 decks)

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