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Neurology Year 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN I

A

Olfactory

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2
Q

CN II

A

Optic

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3
Q

CN III

A

Occulomotor

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4
Q

CN IV

A

Trochlear

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5
Q

CN V

A

Trigeminal

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6
Q

CN VI

A

Abducens

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7
Q

CN VII

A

Facial

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8
Q

CN VIII

A

Vestibulocochlear

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9
Q

CN IX

A

Glossopharyngeal

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10
Q

CN X

A

Vagus

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11
Q

CN XI

A

Spinal Accessory nerve

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12
Q

CN XII

A

Hypoglossal

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13
Q

CN I Function

A

Sensory

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14
Q

CN II Function

A

Sensory

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15
Q

CN III Function

A

Motor

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16
Q

CN IV Function

A

Motor

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17
Q

CN V Function

A

Both

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18
Q

CN VI Function

A

Motor

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19
Q

CN VII Function

A

Both

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20
Q

CN VIII Function

A

Sensory

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21
Q

CN IX Function

A

Both

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22
Q

CN X Function

A

Both

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23
Q

CN XI Function

A

Motor

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24
Q

CN XII Function

A

Motor

25
Q

CN I and II are located where in the brain?

A

Forebrain

26
Q

CN III and IV are located where in the brain?

A

Midbrain

27
Q

CN V is located where within the brain?

A

Pons

28
Q

CN VI VII and VIII are located where within the brain?

A

Junction of the Pons and Medulla

29
Q

CN IX and X are located where within the brain?

A

Medulla

30
Q

CN XI is located where within the brain?

A

Spinal Chord

31
Q

CN XII is located where within the brain?

A

Medulla - Most medial of all cranial nerves

32
Q

What is the general rule of the cranial nerves?

A

From CN I they move posteriorly and laterally except CN XII which is more medial that CN XI

33
Q

When do Cranial Nerve I first appear?

A

When passing the cribiform plate of the ethmoid bone

34
Q

List the Motor Nerves

A 
CN III
CN IV
CN VI
CN XI
CN XII
35
Q

What muscles are controlled via the Oculomotor nerve CN III?

A 
SR MR IR IO
Superior Rectus
Medial Rectus
Inferior Rectus
Inferior Oblique
36
Q

What muscle is controlled by the parasympathetics of the Oculomotor Never CN III

A

Sphincter Pupillae Cilliary Muscle

37
Q

What muscle is controlled by the trochlear nerve?

A

Superior Oblique

38
Q

What is special about the trochlear nerve?

A

Only nerve to exit the posterior aspect of the midbrain

39
Q

What muscles are supplied by the Abducens VI ?

A

Lateral Rectus

40
Q

What muscles does the Hypoglossal XII innervate?

A

Genioglossal
Hypoglossal
Styloglossal

41
Q

What muscles does the Spinal Accessory Nerve XI innervate?

A

Sternocleidomastoid

Trapezoids

42
Q

Where does the Spinal Accessory Nerve arise from?

A

Cervical Spinal Chord

Passes up back into the cranium before descending via the jugular foramen

43
Q

What nerve does the Pontine Trigeminal Nucleus belong too?

A

CN V Trigeminal

44
Q

What is the function of the Pontine Nucleus?

A

Touch and vibration

45
Q

CN I exits the skull via

A

Cribiform Plate

46
Q

CN II exits the skull via

A

Optic Canal

47
Q

CN III exits the skull via

A

Superior Orbital Fissure

48
Q

CN IV exits the skull via

A

Superior Orbital Fissure

49
Q

CN V1 exits the skull via

A

Superior Orbital Fissure

50
Q

CN VI exits the skull via

A

Superior Orbital Fissure

51
Q

CN V2 exits the skull via

A

Foramen Rotundum

52
Q

CN V3 exits the skull via

A

Foramen Ovale

53
Q

CN VII exits the skull via

A

Internal Acoustic Meatus

54
Q

CN VIII exits the skull via

A

Internal Acoustic Meatus

55
Q

CN IX exits the skull via

A

Jugular Foramen

56
Q

CN X exits the skull via

A

Jugular Foramen

57
Q

CN XI exits the skull via

A

Jugular Foramen

58
Q

CN XII exits the skull via

A

Hypoglossal Canal

59
Q

Which nerve supplies sensory innervation to the dura matter?

A

CN V Trigeminal

Neurology Year 3 (29 decks)

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