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Neurology > Cranial Nerves/Spinal Nerves > Flashcards

Cranial Nerves/Spinal Nerves Flashcards

1
Q

How many spinal nerves are there?

A

31 spinal nerves

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2
Q

C1-C7 nerves exit above or below the vertebrae?

A

Above

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3
Q

All nerves other than C1-C7 exit above or below the vertebrae?

A

Below

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4
Q

Vertebral Disc herniation occurs in what direction, where?

A

L4-L5, L5-S1

Posteriolaterally

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5
Q

Cranial Nerve 5 Sensation and Motor?

A

Sensation:
Anterior 2/3 Tongue Sensation
Facial Sensation

Motor:
Muscles of Mastication

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6
Q

What are the muscles of mastication? Which one opens?

A 
Masseter, Temporalis, Medial pterygoid, 
lateral pterygoid (only one that opens; Lateral Lowers)
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7
Q

Cranial Nerve 7 Sensation and Motor?

A

“Spit when your angry and drool when you smile”
Sensation:
Lacrimation, Salivation (submandibular and sublingual glands)
Motor:
Facial Movement (Smile)
Shutting down the Eyes (orbicularis oculi)
Stapedius Muscle in the ear
*Goes through partoid but does NOT innervate it

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8
Q

Cranial Nerve 9 Sensation and Motor?

Pharyngeal-Glossal N.

A 
Sensation: 
Taste and Sensation of 1/3 of the tongue
Salivation (parotid gland)
Carotid Body and Sinus
Motor:
Stylopharyngeus (elevates pharynx and larynx)
Swallowing
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9
Q

Cranial Nerve 10 Sensation and Motor?

Vagus N.

A 
Viscera (abd and pulmonary), Aortic Arch/Away, Glottis, Uvula and Swallowing/Soft Palate elevation
Sensation: 
Taste and Sensation of epiglottic
Salivation (parotid gland)
Aortic Arch chemo/baroreceptors
Motor:
Stylopharyngeus (elevates pharynx and larynx)
Swallowing
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10
Q

Eye movement nerves?

A

CN3, SO4, LR6

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11
Q

Lateral Nuclei of Cranial Nerves are? Where do they come from?

A

Sensory, aLar pLate

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12
Q

Medial Nuclei of Cranial Nerves are? Where do they come from?

A

Motor, basal plate

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13
Q

Which nuclei is the only one outside of the brain stem?

A

CN 11=>spinal cord

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14
Q

Cranial Nerve 2 comes out from?

A

Optic Canal

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15
Q

Cranial Nerve 3, 4, V1 and 6 ophthalmic vein and symp. fibers comes out from?

A

Superior Orbital Fissure

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16
Q

Foramen Rotundum?

A

CN V2

17
Q

Foramen Ovale?

A

What is round and looks like breast?

CN 3

18
Q

Foramen Spinosum?

A

Middle meningeal artery

19
Q

What bone is CN2-6 going through?

A

Sphenoid

20
Q

CN7 and 8 comes out from?

A

Internal Auditory Meatus

21
Q

CN9, 10, 11 and jugular veins comes out from?

A

Jugular foramen

22
Q

CN 12 comes out from

A

Hypoglossal canal

23
Q

Vertebral arteries, brainstem and CN 11 spinal roots come out from?

A

Foramen Magnum

24
Q

CN 7-12 come out from which bone?

A

Temporal or occipital bone

25
Q

Visceral Senosry info from 7, 9, 10>

A

Nucleus Solitarus

26
Q

Motor innervation of pharynx, larynx and upper esophagus?

A

Nucleus aMbiguus

27
Q

Dorsal motor nucleus involves what nerve and where does it send its fibers to?

A 
CN 10
Sends autonomic (parasymp) fibers to heart lungs and upper GI
28
Q

Corneal Reflex? Afferent and Efferent

A

Afferent: V1
Efferent: 7

29
Q

Lacrimation Reflex? Afferent and Efferent

A

Afferent: V1
Efferent: 7

30
Q

Jaw Jerks Reflex? Afferent and Efferent

A

Afferent: V3
Efferent: V3

31
Q

Pupillary Reflex? Afferent and Efferent

A

Afferent: 2
Efferent: 3

32
Q

Gag Reflex? Afferent and Efferent

A

Afferent: 9
Efferent: 10

33
Q

CN 5 and 12 deviates towards or away?

Think Tongue

A

Towards

34
Q

CN 10 (Uvula) deviates towards or away?

A

Away

35
Q

CN 11 there is weakness turning the head to the same side or opposite side of the lesion? Shoulder droop on the same side or opposite side

A

Opposite side

Same Side

36
Q

How do you know your in the cervical region?

A

2 C’s of the spinal cord

37
Q

In your cervical region, it is ipsilateral for? Contralateral for?

A

Ipsilateral Motor

Contralateral Pain and Temperature

38
Q

Signs of Upper Motor Neuron Lesion?

A

Hyperreflexia, DTRs and +Babinski

Neurology (20 decks)

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