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ANAT-A 215 Exam 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

How many Cranial Nerves?

A

12

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2
Q

How many Sensory Nerves?

A

3

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3
Q

How many Motor Nerves?

A

5

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4
Q

How many Mixed Nerves?

A

4

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5
Q

Sensory Nerves

A

Olfactory
Optic
Vesibulocochlear

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6
Q

Olfactory Location

A

Receptors in Olfactory Mucosa of Nasal Cavity

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7
Q

Olfactory Function

A

Olfaction (Smell)

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8
Q

Optic (II)

A

Sight Nerve “Point two fingers at eye”

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9
Q

Optic Location

A

Retina in the eye

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10
Q

Optic Function

A

Vision

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11
Q

Vesibulocochlear (VII)

A

“Make some headphones while balancing”

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12
Q

Vesibulocochlear Location

A

Vestibular Branch: Hair cells in Vestibule of Inner Ear

Cochlear Branch: Cochlea of inner ear

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13
Q

Vesibulocochlear Function

A

Vestibular branch conducts nerve impulses for equilibrium whereas cochlear branch inpulses for hearing

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14
Q

Motor Nerves

A 
Oculomotor
Trochlear
Abducens
Accesory
Hypoglossal
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15
Q

Oculomotor

A

“Threes next to eye, three pointers”

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16
Q

Oculomotor Location

A

The eye

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17
Q

Superior Rectus Muscle

A

Eyes go Superior

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18
Q

Inferior Rectus Muscle

A

Eyes go Inferior

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19
Q

Medial Rectus

A

Eyes go Medially

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20
Q

Inferior Oblique

A

Eyes go Superior and Lateral

21
Q

Oculomotor Functions

A

Visceral Motor to pupil/lens

Constrict the pupils

22
Q

Trochlear

A

“Dragging eyes down”

23
Q

Trochlear Function

A

Moves the eyes down and out

24
Q

Trochlear Location

A

Superior Oblique

25
Q

Abducens

A

“Hands on eyes, making eyes look Asian”

26
Q

Abducens Location

A

Lateral Rectus

27
Q

Abducens Functions

A

Makes the eyes go laterally

28
Q

Accesory

A

“Two fingers up, moving the scapula and head”

29
Q

Accesory Location

A

Trapezius and Sternocliedomasiod

30
Q

Accesory Function

A

Moves Head/Neck?

31
Q

Hypoglossal

A

“When I was 12, I stuck my tongue out at people”

32
Q

Hypoglossal Location

A

Hypogflossal Nucleus in medulla oblongata

33
Q

Hypoglossal Function

A

Moves the tongue

34
Q

Mixed Nerves Components

A

Trigeminal
Facial
Glossopharyngeal
Vagus

35
Q

Trigeminal Components

A

Ophthalmic
Maxillary
Mandbular

36
Q

Trigeminal

A

“Hand over Face”

37
Q

Opthalmic

A

(V1)
Sensory to Upper Face
“Forehead and Upper Nose”

38
Q

Maxillary

A

(V2)
Sensory to mid face
“Maxilla and Bottom of Nose”

39
Q

Mandibular

A

(V3) Mixed “Mandible and also is a motor”
Sensory to lower face
Motor to muscles of mastication

40
Q

Facial Location

A

The Face

41
Q

Facial Functions

A

Muscles of facial expression
Secretomotor to all glands of head except parotid
Taste to anterior 2/3 of tongue

42
Q

Glossopharyngeal

A

“Square root of nine, need to know three things”

43
Q

Glossopharyngeal Functions

A 
Secretomotor to Parotid
Motor to Stylopharyngeus
Taste and Feel to Posterior Tongue 1/3
Sensory to Throat
Carotid Receptors
44
Q

Carotid Receptors

A

Sense Blood Pressure. Called Cartoid Body

45
Q

Vagus

A

“The Wanderer, Lost in Vegas”

46
Q

Vagus Location

A

Motor Nuclei in Medula Oblongata

47
Q

Hypoglossal Nerve Test

A

One side of the tongue sticks out longer meaning one side may not work

48
Q

Vagus Functions

A

Innervates many of the thoracic and abdominal organs
Motor to Pharynx and Larynx (Sensory and Motor Voice Box)
Sensory and motor to SMooth Muscle, Cardiac Muscle and glands in much of thorax and abdomen

ANAT-A 215 Exam 3 (16 decks)

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