Cranial Nerves/Autonomics Flashcards

1
Q

Pneumonic for the 12 cranial nerves?

A

Oh, oh, oh to touch and feel a guy’s vein and hotdog

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2
Q

CN I

A

Olfactory

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3
Q

CN II

A

Optic

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4
Q

CN III

A

Oculomotor

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5
Q

CN IV

A

Trochlear

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6
Q

CN V

A

Trigeminal

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7
Q

CN VI

A

Abducens

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8
Q

CN VII

A

Facial

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9
Q

CN VIII

A

Auditory (Vestibulocochlear)

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10
Q

CN XI

A

Glossopharyngeal

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11
Q

CN X

A

Vagus

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12
Q

CN XI

A

Accessory

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13
Q

CN XII

A

Hypoglossal

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14
Q

What cranial nerves run through the Cribiriform plate?

A

CN I

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15
Q

What cranial nerves run through the optic canal?

A

CN II

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16
Q

What cranial nerves run through the superior orbital fissure?

A

CN III, CN IV, CN V(V1), CN VI

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17
Q

What cranial nerves run through the foramen rotundum?

A

CN V(V2)

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18
Q

What cranial nerves run through the foramen ovale?

A

CN V(V3)

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19
Q

What cranial nerves run through the internal acoustic meatus?

A

CN VII, CN VIII

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20
Q

What cranial nerves run through the jugular foramen?

A

CN IX, X, XI

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21
Q

What cranial nerves run through the hypoglossal canal?

A

CN XII

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22
Q

Sensory nuclei in the brainstem?

A

Trigeminal, vestibular, cochlear, nucleus solitarius, nucleus of the spinal tract of the trigeminal

23
Q

What are the two parts of the nucleus solitarius?

A

Gustatory rostral portion and the caudal portion

24
Q

Nerves from the gustatory rostral portion of the nucleus solitarius

A

CN 7 and 9

25
Q

Nerves from the caudal portion of the nucleus solitarius

A

CN 9 and 10

26
Q

Nerves from the nucleus of the spinal tract of the trigeminal nerve

A

CN 5, 7, 9, 10

27
Q

Motor nuclei in the brainstem?

A

Edinger-Westphal, oculomotor, trochlear, trigeminal motor, abducens, facial motor, superior and inferior salivatory, nucleus ambiguus, dorsal vagal, hypoglossal, accessory

28
Q

Nerves from the Edinger-Westphal motor nuclei

A

CN 3

29
Q

Nerves from the superior salivatory nuclei

A

CN 7

30
Q

Nerves from the inferior salivatory nuclei

A

CN 9

31
Q

Nerves from the nucleus ambiguus nuclei

A

CN 9 and 10

32
Q

Where do sympathetic fibers arise from?

A

Superior Cervical ganglion

33
Q

What do the sympathetic fibers travel on?

A

Vessels such as the deep petrosal nerve

34
Q

All of the sympathetic fibers are what?

A

post-ganglionic

35
Q

Where do the preganglionic parasympathetic fibers originate from?

A

Nuclei in the brainstem

36
Q

Where do the preganglionic parasympathetic fibers synapse?

A

4 ganglia = ciliar, pterygopalatine, otic, submandibular

37
Q

What carries the preganglionic parasympathetic fibers?

A

CN 3, 7, 9, 10

38
Q

What carries the postganglionic parasympathetic fibers to their structures?

A

Branches of the trigeminal nerve

39
Q

Modalities of CN I?

A

Special sensory – smell

40
Q

Modalities of CN II?

A

Speical sensory – vision

41
Q

Modalities of CN III?

A

GSE – many muscles in the eye

GVE – parasympathetic supply to constrictor pupillae and ciliary muscles via the ciliary ganglia

42
Q

Modalities of CN IV?

A

GSE – supplies the superior oblique muscle of the eye

43
Q

Modalities of CN VI?

A

GSE – supplies the lateral rectus muscle of the eye

44
Q

If your left eye CANNOT ABduct, what is injured?

A

Abducens nerve - left abducent nerve palsy

45
Q

If your right eye is downward and outward, pupil is dilated and eyelids are manually elevated, what is injured?

A

Right oculomotor nerve palsy

46
Q

Modalities of CN V?

A

Branchial motor (SVE) and general sensory (GSA) – supplies sensation for most of the face

47
Q

Main Opthalmic nerve branches

A

Lacrimal, frontal, nasociliary, mengineal branch

48
Q

Main Maxillary nerve branches

A

Zygomatic, infraorbital, superior alveolar, palatine, meningeal

49
Q

Main Mandibular nerve branches

A

Buccal, lingual, inferior alveolar, auriculotemporal, medial and lateral ptergoid, massateric, deep temporal and mylohyoid

50
Q

If there is a lesion on the right side of CN XII what happens?

A

Tongue will be angled toward the right

51
Q

What does the CN XII supply?

A

All intrinsic and extrinsic muscles of the tongue besides 1 (palatoglossus)

52
Q

What does the CN XI supply?

A

Sternomastoid and trapezius muscles

53
Q

What does the CN VIII supply?

A

Sensory – auditory and balance

54
Q

What is the pneumonic for the facial nerve branches?

A

Tiny zebra bit my cheek

temporal, zygomatic, buccal, mandibular, cervical