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Anatomy > Cranial Nerves Exam 3 > Flashcards

Cranial Nerves Exam 3 Flashcards

1
Q

The cranial nerves are part of the (what system)

A

PNS

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2
Q

How many pairs of cranial nerves

A

12

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3
Q

Some cranial nerves have what kind of function…

A

Sensory, motor, or both

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4
Q

Most cranial nerves originate from the

A

Brain stem

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5
Q

The first two pairs of cranial nerves originate from

A

The prosencephalon

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6
Q

Cranial nerves are designated by

A

Name and Roman numeral

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7
Q

CN 1, II, and III

A

Olfactory, optic, oculomotor

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8
Q

CN IV, CN V, CN VI

A

Trochlear, trigeminal, abducens

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9
Q

CN VII

A

Facial

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10
Q

CN VIII

A

Vestibulocochlear

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11
Q

CN IX

A

Glossopharyngeal

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12
Q

CN X

A

Vagus

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13
Q

CN XI

A

Accessory Nerve

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14
Q

Last nerve, CN XII

A

Hypoglossal nerve

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15
Q

What nerves have only sensory functions

A

Olfactory, optic, and vestibulocochlear

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16
Q

What cranial nerves have only motor functions

A

Oculomotor, trochlear, abducens, accessory, hypoglossal

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17
Q

What cranial nerves have both sensory and motor functions

A

Trigeminal, facial, glossopharyngeal, and vagus

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18
Q

Openings for CN I

A

Olfactory foramina

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19
Q

Opening of CN II

A

Optic canal

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20
Q

Opening for CN III and CN IV

A

Superior orbital fissure

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21
Q

What nerve has three openings

A

Trigeminal nerve

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22
Q

Three openings of trigeminal nerve

A

Superior orbital fissure, foremen rotundum, and foremen ovale

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23
Q

Opening of nerve VII and VIII

A

Internal auditory meatus

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24
Q

Opening for cranial nerve IX, X, and XI

A

Jugular foremen

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25
Opening for CN XII
Hypoglossal foremen
26
Function of olfactory nerve and pathway
Smell | Cribriform plate of ethmoid, olfactory foramen
27
Function of the optic nerve | Pathway?
F: Vision from retina P: Optic canal/ foremen
28
The X shaped structure with the optic nerve
Optic chiasm
29
Some information of the eyes crosses to the opposite side via…
Optic chiasm
30
Function of the oculomotor nerve
Somatic Motor to most muscles that move eye and parasympathetic to smooth muscle (pupil and lens)
31
Pathway through the skull: superior orbital fissure | What nerves?
Oculomotor, trochlear, abducens
32
Function of trochlear nerve and abducens nerve
Trochlear: somatic Motor to superior oblique | Abducens; somatic motor to lateral rectus
33
Trochlea means
Pulling
34
Levator palpebrae superioris function
Pulls up on upper eyelid
35
The lateral rectus muscle of the eye is located
Outer region
36
The medial rectus muscle of the eye is located
Inner part of eye
37
Movements of the eye: inferior oblique
Up and out
38
Movements of the eye: lateral rectus
Outward
39
Movements of the eye: superior oblique
Down and out
40
Movements of the eye: superior rectus
Up and in
41
Movements of the eye: medial rectus
Inward
42
Movements of the eye: inferior rectus
Down and in
43
What are the muscles of the eye
Inferior oblique, superior oblique, lateral rectus, medial rectus, superior rectus, and inferior rectus
44
What nerve controls the lateral rectus
Abducens VI Nerve
45
What nerve controls the superior oblique eye muscle
Trochlear nerve IV
46
What nerve controls inferior oblique muscle, superior rectus, medial rectus, and inferior rectus of eye
Oculomotor III
47
Three divisions of the trigeminal nerve (V)
Ophthalmic, Maxillary, and mandibular division
48
Function of the Opthalamic division
Sensation from skin to face, cornea and paranasal sinuses
49
Pathway through skull of the ophthalmic division
Superior orbital fissure
50
Function of the maxillary division
Sensation from skin of the face, upper teeth and paranasal sinuses
51
Pathway through skull of maxillary division
Foremen rotundum
52
Function of mandibular division (V3)
Sensation from skin of face, lower teeth and tongue, motor to muscles of mastication
53
Pathway through skull of mandibular division
Foremen ovale
54
Function of facial nerve (VII)
Somatic Motor to muscles of facial expression, visceral motor tear gland, salivary glands, and taste from tongue
55
Pathway through skull of facial nerve
Internal auditory meatus
56
Function of the vestibulocochlear nerve (VIII)
Hearing and balance
57
Pathway through skull of the vestibulocochlear nerve
internal auditory meatus
58
Glossopharyngeal nerve function (IX)
Motor to parotid gland, general sensation (touch) and taste from tongue
59
Glossopharyngeal nerve pathway through nerve (1/3)
Front of tongue, Jugular foramen
60
Sensation of tongue, (1/2) General sensation and taste comes from
CN IX glossopharyngeal, front of tongue
61
General sensation of tongue (2/3) comes from
Front of tongue, mandibular division of trigeminal nerve
62
Taste of tongue (2/3) comes from
Facial nerve
63
Functions of vagus nerve (X)
Speaking, swallowing, somatic motor to heart, bronchi and muscles of digestive tract, and sensation from larynx and pharynx
64
Pathway through the skull of vagus nerve
Jugular foramen
65
Function of accessory nerve (XI)
Motor to trapezius and sternocleomastoid
66
Pathway through the skull of accessory nerve (XI)
Jugular foramen
67
Hypoglossal nerve function (XII)
Somatic Motor to muscles of tongue
68
Pathway through skull of hypoglossal nerve
Hypoglossal foramen

Anatomy (25 decks)

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