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Ocular Anatomy and Physiology : > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

(46 cards)

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1
Q

How many pairs of Cranial Nerves?

A

12 Pairs

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2
Q

List The Cranial Nerves

A 
(I) Olfactory 
(II) Optic 
(III) Oculomotor 
(IV) Trochlear 
(V) Trigeminal 
(VI) Abducens 
(VII) Facial 
(VIII) Vestibulocochlear 
(IX) Glossopharyngeal 
(X) Vagus 
(XI) Accessory 
(XII) Hypoglossal
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3
Q

Cranial Nerve 1

A

Olfactory

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4
Q

Cranial Nerve 2

A

Optic

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5
Q

Cranial Nerve 3

A

Oculomotor

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6
Q

Cranial Nerve 4

A

Trochlear

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7
Q

Cranial Nerve 5

A

Trigimenal

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8
Q

Cranial Nerve 6

A

Abducens

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9
Q

Cranial Nerve 7

A

Facial

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10
Q

Cranial Nerve 8

A

Vestibulocochlear

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11
Q

Cranial Nerve 9

A

Glossopharyngeal

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12
Q

Cranial Nerve 10

A

Vagus

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13
Q

Cranial Nerve 11

A

Accessory

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14
Q

Cranial Nerve 12

A

Hypoglossal

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15
Q

Function of Olfactory Nerve (I)

Sensory or Motor?

A

Smell

Sensory

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16
Q

Function of Optic Nerve (II)

Sensory or Motor?

A

Vision

Sensory

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17
Q

Function of OculoMOTOR (III)

Sensory or Motor?

A

Eye Movement :

Sensory and Motor

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18
Q

Function of Trochlear (IV)

Sensory or Motor?

A

Eye Movement

Motor

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19
Q

Function of Trigeminal (V)

Sensory of Motor?

Study These Flashcards
A

Facial Sensation, Somatosensation to Anterior 2/3
Open and Close Jaw
Sensory and Motor

20
Q

Function of Abducens (VI)

Sensory or Motor?

Study These Flashcards
A

Eye Movement

Sensory

21
Q

Function of Facial (VII)

Sensory or Motor?

Study These Flashcards
A

Taste to Anterior 2/3 of Tongue
Facial Expression, Lacrimation, Salivation
Sensory and Motor

22
Q

Function of Vestibulocochlear (VIII)

Sensory or Motor?

Study These Flashcards
A

Hearing and Balance

Sensory

23
Q

Function of Glossopharyngeal (IX)

Sensory or Motor?

Study These Flashcards
A

Somatosensation, Taste to Posterior 1/3 of Tongue
Swallowing
Sensory and Motor

24
Q

Function of Vagus (X)

Sensory or Motor?

Study These Flashcards
A

Taste to Epiglottis
Swallowing, Talking, Coughing
Sensory and Motor

25
Function of Accessory (XI) | Sensory or Motor?
Shoulder Shrugging | Motor
26
Function of Hypoglossal (XII) | Sensory or Motor?
Tongue Movement | Motor
27
Which Nerves Are Related To The Eyes?
``` CN 2 : Optic Nerve CN 3 : Oculomotor Nerve CN 4 : Trochlear Nerve CN 5 : Trigeminal CN 6 : Abducens CN 7 : Facial ```
28
Optic Nerve
Main Nerve for Providing Vision
29
Oculomotor Nerve
Supplies 4 of EXTRAOCULAR NERVE
30
What divisions does Oculomotor divide into?
Superior Division : - Superior Rectus - Levator Palpebrae Inferior Division : - Inferior Rectus - Medial Rectus - Inferior Oblique
31
What is the Superior Division?
Superior Muscles that Elevate the Eyelids Superior Rectus Levator Palpebrae
32
What is the Inferior Division?
Inferior Rectus Lateral Rectus Inferior Oblique Muscles
33
Trochlear Nerve
Innervates the SUPERIOR OBLIQUE muscle Longest and skinniest of extraocular Only cranial nerve that leaves brainstem from back
34
Abducens
Supplies ONE of the Extraocular Nerve
35
What Extraocular Muscle from CN 6 (Abducens)
Lateral Rectus : Moves laterally towards the side
36
Facial
Parasympathetic Innervation of Lacrimal and Salivary Glands
37
Cilliary Ganglion
Pupillary Constriction | Controls the Constriction of the Pupil
38
Cilliary Muscles
Lens Accommodation | Adjust to see shape of the lens
39
Trigeminal Nerve Pathway
Trigeminal Nerve Ophthalmic Nerve Frontal ------ Nasocilliary ------ Lacrimal Forehead ----- Long + Short Cilliary ------------------- Cornea, Iris, Cilliary Body
40
What is the Extraocular Muscle from CN 4 (Trochlear)
Superior Oblique
41
Cranial Nerve 4 (Trochlear) Innervates the..?
Superior Oblique Muscle
42
Cranial Nerve 6 (Abducens) Innervates the..?
Lateral Rectus
43
What does the Ophthalmic Nerve Divide into..?
Frontal, Nasocilliary, Lacrimal
44
What does the Frontal Nerve innervate?
Forehead, Upper Eyelids, Sides of the Nose
45
What does the Nasocilliary Divide Into..?
Long and Short
46
What does the Lacrimal innervate?
Lacrimal Gland, Skin of Upper Eyelid, Conjunctiva

Ocular Anatomy and Physiology : (30 decks)

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