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Phase 2B > Cranial Nerve Examination > Flashcards

Cranial Nerve Examination Flashcards

1
Q

What is cranial nerve 1

A

Olfactory nerve

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2
Q

What is cranial nerve 2

A

Optic nerve

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3
Q

What is cranial nerve 3

A

Oculomotor nerve

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4
Q

What is cranial nerve 4

A

Trochlear nerve

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5
Q

What is cranial nerve 5

A

Trigeminal nerve

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6
Q

What is cranial nerve 6

A

Abducens nerve

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7
Q

What is cranial nerve 7

A

Facial nerve

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8
Q

What is cranial nerve 8

A

Vestibulocochlear nerve

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9
Q

What is cranial nerve 9

A

Glossopharyngeal nerve

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10
Q

What is cranial nerve 10

A

Vagus nerve

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11
Q

What is cranial nerve 11

A

Accessory nerve

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12
Q

What is cranial nerve 12

A

Hypoglossal nerve

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13
Q

What is role of the olfactory nerve

A

Sense of smell

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14
Q

What is the role of cranial nerve 1

A

Sense of smell

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15
Q

What is the role of the optic nerve

A

Vision - pupillary light reflex

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16
Q

What is the role of cranial nerve 2

A

Vision - pupillary light reflex

17
Q

What is the role of oculomotor nerve

A

Extraocular muscles and pupillary constrictor muscles, pupillary light reflex

Levator palpebrae superiosis, inferior oblique, and superior, medial and inferior recti

18
Q

What is the role of cranial nerve 3

A

Extraocular muscles and pupillary constrictor muscles, pupillary light reflex

Levator palpebrae superiosis, inferior oblique, and superior, medial and inferior recti

19
Q

What does cranial nerve 3 palsy cause

A

Down and out eye

20
Q

What is the role of the trochlear nerve

A

Extraocular superior oblique muscles - assist in depressing and abducting the eye

21
Q

What is the role of cranial nerve 4

A

Extraocular superior oblique muscles - assist in depressing and abducting the eye

22
Q

What is the role of the trigeminal nerve

A

3 divisions

V1 ophthalmic - sensory above the eyelid

V2 maxillary - sensory lower eye lid to upper lip

V3 mandibular - sensory to below upper lip, muscle of mastication

23
Q

What is the role of cranial nerve 5

A

3 divisions

V1 ophthalmic - sensory above the eyelid

V2 maxillary - sensory lower eye lid to upper lip

V3 mandibular - sensory to below upper lip, muscle of mastication

24
Q

What is the role of the abducens nerve

A

Innervates the lateral rectus muscle - eye abduction

25
Q

What is the role of cranial nerve 6

A

Innervates the lateral rectus muscle - eye abduction

26
Q

What is the role of the facial nerve

A

Somatic - skin behind the ear

Taste of anterior 2/3 of the tongue

Parasympathetic to the lacrimal, sublingual and submandibular glands

Muscle of facial expression

27
Q

What is the role of cranial nerve 7

A

Somatic - skin behind the ear

Taste of anterior 2/3 of the tongue

Parasympathetic to the lacrimal, sublingual and submandibular glands

Muscle of facial expression

28
Q

What is the role of the vestibulocochlear nerve

A

Special somatic afferent fibres for hearing and balance

29
Q

What is the role of cranial nerve 8

A

Special somatic afferent fibres for hearing and balance

30
Q

What is the role of glossopharyngeal nerve

A

Sensation from the posterior 1/3 of the tongue, pharynx

Taste to posterior 1/3 of tongue

Sensation from the carotid body and carotid sinus (baroreception and chemoreception)

Parasympathetic to parotid glands

Motor to stylopharyngeus

31
Q

What is the role of cranial nerve 9

A

Sensation from the posterior 1/3 of the tongue, pharynx

Taste to posterior 1/3 of tongue

Sensation from the carotid body and carotid sinus (baroreception and chemoreception)

Parasympathetic to parotid glands

Motor to stylopharyngeus

32
Q

What is the role of the vagus nerve

A

Somatic to skin around ear

Taste and sensation to epiglottis

Sensory information to body viscera

Parasympathetic to glands of GI tract

Motor innervation to soft palate, pharnyx and larynx

33
Q

What is the role of cranial nerve 10

A

Somatic to skin around ear

Taste and sensation to epiglottis

Sensory information to body viscera

Parasympathetic to glands of GI tract

Motor innervation to soft palate, pharnyx and larynx

34
Q

What is the role of accessory nerve

A

Special visceral efferent fibres to the trapezius and sternocleidomastoid

35
Q

What is the role of cranial nerve 11

A

Special visceral efferent fibres to the trapezius and sternocleidomastoid

36
Q

What is the role of hypoglossal nerve

A

Somatic efferent fibres for controlling tongue muscles

37
Q
A

Phase 2B (15 decks)

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