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Flashcards in Cranial Nerves/Spinal Nerves Deck (38):
1

How many spinal nerves are there?

31 spinal nerves

2

C1-C7 nerves exit above or below the vertebrae?

Above

3

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

Below

4

Vertebral Disc herniation occurs in what direction, where?

L4-L5, L5-S1
Posteriolaterally

5

Cranial Nerve 5 Sensation and Motor?

Sensation:
Anterior 2/3 Tongue Sensation
Facial Sensation

Motor:
Muscles of Mastication

6

What are the muscles of mastication? Which one opens?

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

7

Cranial Nerve 7 Sensation and Motor?

"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

8

Cranial Nerve 9 Sensation and Motor?
(Pharyngeal-Glossal N.)

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

9

Cranial Nerve 10 Sensation and Motor?
Vagus N.

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

10

Eye movement nerves?

CN3, SO4, LR6

11

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

Sensory, aLar pLate

12

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

Motor, basal plate

13

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

CN 11=>spinal cord

14

Cranial Nerve 2 comes out from?

Optic Canal

15

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

Superior Orbital Fissure

16

Foramen Rotundum?

CN V2

17

Foramen Ovale?

What is round and looks like breast?
CN 3

18

Foramen Spinosum?

Middle meningeal artery

19

What bone is CN2-6 going through?

Sphenoid

20

CN7 and 8 comes out from?

Internal Auditory Meatus

21

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

Jugular foramen

22

CN 12 comes out from

Hypoglossal canal

23

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

Foramen Magnum

24

CN 7-12 come out from which bone?

Temporal or occipital bone

25

Visceral Senosry info from 7, 9, 10>

Nucleus Solitarus

26

Motor innervation of pharynx, larynx and upper esophagus?

Nucleus aMbiguus

27

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

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

28

Corneal Reflex? Afferent and Efferent

Afferent: V1
Efferent: 7

29

Lacrimation Reflex? Afferent and Efferent

Afferent: V1
Efferent: 7

30

Jaw Jerks Reflex? Afferent and Efferent

Afferent: V3
Efferent: V3

31

Pupillary Reflex? Afferent and Efferent

Afferent: 2
Efferent: 3

32

Gag Reflex? Afferent and Efferent

Afferent: 9
Efferent: 10

33

CN 5 and 12 deviates towards or away?
(Think Tongue)

Towards

34

CN 10 (Uvula) deviates towards or away?

Away

35

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

Opposite side

Same Side

36

How do you know your in the cervical region?

2 C's of the spinal cord

37

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

Ipsilateral Motor
Contralateral Pain and Temperature

38

Signs of Upper Motor Neuron Lesion?

Hyperreflexia, DTRs and +Babinski