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Human Anatomy > Cranial Nerves & Cranial Foramina > Flashcards

Cranial Nerves & Cranial Foramina Flashcards

1
Q

Olfactory nerve

A

cranial nerve I, sense of smell

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2
Q

Optic Nerve

A

cranial nerve II, Ability to see

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3
Q

Oculomotor Nerve

A

cranial nerve III, ability to move and blink your eyes

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4
Q

Trochlear Nerve

A

cranial nerve 4, Ability to move your eyes up and down or back and forth

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5
Q

Trigeminal Nerve

A

cranial nerve 5, ophthalmic nerve (CN V1), maxillary nerve (CN V2), and mandibular nerve (CN V3). Sensations in your face and cheeks, taste and jaw movements

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6
Q

Abducent (abducens) Nerve

A

cranial nerve 6, ability to move your eyes

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7
Q

Facial nerve

A

cranial nerve 7, facial expressions and sense of taste

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8
Q

vestibulocochlear nerve

A

cranial nerve 8, Sense of hearing and balance

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9
Q

Glossopharyngeal nerve

A

cranial nerve 9, ability to taste and swallow

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10
Q

Vagus Nerve

A

cranial nerve X, digestion and heart rate.

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11
Q

Spinal Accessory Nerve

A

cranial nerve 11, Shoulder and neck muscle movement.

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12
Q

Hypoglossal nerve

A

cranial nerve 12, Ability to move your tongue

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13
Q

Olfactory nerve exit

A

foramen in cribriform plate

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14
Q

Olfactory nerve type

A

sensory

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15
Q

optic nerve exit

A

optic canal

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16
Q

optic nerve type

A

sensory

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17
Q

oculomotor exit

A

superior orbital fissure

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18
Q

oculomotor type

A

motor

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19
Q

trochlear exit

A

superior orbital fissure

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20
Q

trochlear type

A

motor

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21
Q

trigeminal exit

A

superior orbital fissure (ophthalmic nerve), foramen rotundum (maxillary nerve), foramen ovale (mandibular nerve),

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22
Q

trigeminal type

A

motor and sensory

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23
Q

abducent (abducens) nerve exit

A

superior orbital fissure

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24
Q

abducent (abducens) nerve type

A

motor

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25
Q

facial nerve exit

A

internal acoustic meatus, facial canal, and stylomastoid foramen

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26
Q

facial nerve type

A

motor and sensory

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27
Q

vestibulocochlear nerve exit

A

internal acoustic meatus

28
Q

vestibulocochlear nerve type

29
Q

glossopharyngeal nerve exit

A

jugular foramen

30
Q

glossopharyngeal nerve type

A

sensory and motor

31
Q

vagus nerve exit

A

jugular foramen

32
Q

vagus nerve type

A

motor and sensory

33
Q

spinal accessory nerve exit

A

jugular foramen

34
Q

spinal accessory nerve type

35
Q

hypoglossal nerve exit

A

hypoglossal canal

36
Q

hypoglossal nerve type

37
Q

Oculomotor nerve (CN III) innervation

A

Motor innervation: Superior rectus, medial rectus, inferior rectus, inferior oblique, levator palpebrae superioris

38
Q

Trochlear nerve (CN IV) innervation

A

supplies the superior oblique muscle

39
Q

Abducens nerve (CN VI) innervation

A

innervates lateral rectus muscle

40
Q

Trigeminal nerve (CN V) innervation

A

innervates muscles of mastication

41
Q

Facial nerve (CN VII) innervation

A

supplies tastes buds of the anterior two thirds of the tongue and soft palate, also innervates muscles of facial expression

42
Q

Muscles of facial expression

A

Occipitofrontalis (raises eyebrows), Orbicularis oculi (closes one eye), orbicularis iris (makes kissy face)

43
Q

Glossopharyngeal Nerve (CN 9) innervation

A

innervates the stylopharyngeal muscle and the parotid salivary gland, also provides sensation to posterior third of tongue

44
Q

Spinal Accessory Nerve (CN XI) innervation

A

sternocleidomastoid and trapezius muscles

45
Q

Hypoglossal Nerve (CN XII) innervation

A

innervates the intrinsic and extrinsic muscles of the tongue

46
Q

Frontal Lobe

A

controls executive functions like concentration, thinking, problem solving and judgement: motivation, emotions, muscle strength, and behavior

47
Q

Parietal Lobe

A

controls feeling on the opposite side of the body, ability to understand spoken language, ability to express yourself with language, and processing sensory information such as texture, temperature, and position in space

48
Q

Occipital Lobe

A

controls sight and processing information from the eyes, such as recognizing images

49
Q

Temporal Lobe

A

controls processing feelings of pain and hunger, fight-or-flight stress response, short-term memory, emotion, understanding words and directions

50
Q

Brainstem

A

controls heart rate, breathing, blood pressure, swallowing and digestion. May also affect the nerves that come directly from the brain, movement, and the function of any senses

51
Q

Cerebellum

A

balance and coordination of movement of the body; arms and legs

52
Q

Pons

A

Holds important messages and sends them to the appropriate parts of your brain

53
Q

Hippocampus

A

long-term memory formation and memory retrieval

54
Q

Hypothalamus

A

Regulates body temperature, hunger, and thirst

55
Q

signs of cranial nerve 3 lesion

A

dilated pupil; ptosis; eye turns “down and out,” pupillary reflex on side of lesion will be lost

56
Q

signs of cranial nerve 6 lesion

A

eye falls to move laterally; diplopia on lateral gaze

57
Q

signs of cranial nerve 5 lesion

A

loss of pain and touch sensations; masseter and temporals muscles do not contract; deviation of mandible to side of lesion when mouth is opened

58
Q

cranial nerve I lesion

A

loss of smell

59
Q

cranial nerve II lesion

A

loss of pupillary constriction, visual field defects

60
Q

cranial nerve IV lesion

A

inability to look down when eye is adducted

61
Q

cranial nerve VII lesion

A

paralysis of facial muscles, loss of taste

62
Q

cranial nerve VIII lesion

A

progressive unilateral hearing loss; tinnitus (noises in ear)

63
Q

cranial nerve IX lesion

A

loss of taste of posterior third of tongue; loss of sensation on affected side of palate

64
Q

cranial nerve X lesion

A

sagging of soft palate; deviation of uvula to normal side; hoarseness owing to paralysis of vocal fold

65
Q

Cranial nerve XI lesion

A

Paralysis of sternocleidomastoid and descending fibers of trapezius; drooping of shoulder

66
Q

Cranial nerve XII lesion

A

protruded tongue deviates toward affected side; disturbance of articulation

Human Anatomy (16 decks)

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