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65 Cards in this Set

  • Front
  • Back

CN I:

Olfactory

CN II:

Optic

CN I possesses what kind of fibers?

Sensory

CN II or ________: possesses what kind of fibers?

Sensory

Chem acronym for eye muscle innervation

(LR6 SO4)3

CN III:

Occulomotor

CN III or ________ and carries what kind of fibers?

Motor

CN II leaves the skull via:

The optic foramen

Which cranial nerves carry parasympathetic?

3, 7, 9, 10

Interestingly and on an unrelated note which clotting factors are Vit K dependent?

2, 7, 9, 10

Occulomotor has what parasympathetic effects?

Autonomic motor to iris of the eye (pupil size)




Accommodation to ciliary processes to change lens

CN IV:

Trochlear

CN IV or ___________ carries what fibers?

Trochlear carries motor

CN III leaves the skull via what?

Orbital fissure

CN IV leaves the skull via what?

Orbital fissure

CN V is what?

Trigeminal



CN V or ____________carries what fibers?

Motor and Sensory

CN V gives sensory to what?

Sensation from face

CN V gives motor to what?

Motor to jaw muscles

What are the branches of the Trigeminal?

CN V: Opthalamic branch, Maxillary and Mandibular branches

The ophthalmic branch of the trigeminal leaves the skull via what?

Orbital fissure

The maxillary branch of the trigeminal leaves the skull via what?

Round foramen

The Mandibular branch of the trigeminal leaves the skull via what?

Oval foramen

CN VI:

Abducent

CN VI or _____________ carries what kind of fibers?

Motor

What does abducent or ____________ supply motor too?

The lateral rectus

So if there is a problem with Oculomotor what might one see in the eye?

Lateral strabismus because Abducent is still working (lateral rectus)

Abducent or __________ leaves the skull via what?

orbital fissure

CN VII:

Facial

Facial or ___________ carries what kind of fibers?

motor and sensory

Facial supplies motor to what?

Facial muscles

Facial supplies sensory to what?

Sense of taste from tongue (rostral 2/3 of tongue)

Facial carries parasympathetic to:

salivary/lacrimation gland

The Facial nerve leaves the skull via?

Stylomastoid foramen

CN VIII:

Vestibulocochlear

Vestibulocochlear or ________ contains what kind of fibers?

CN VIII




Sensory

CN VIII serves as sensory to what two things?

Sense of hearing from cochlear.




Sense of balance (equilibrium) from vestibular apparatus

CN VIII leaves the skull via and with whom?

Stylomastoid foramen with Facial

CN IX:

Glossopharyngeal

Glossopharyngeal means "_______ ________" nerve

"Tongue throat "

CN IX: or ___________ carries what kind of fiber?

Glossopharyngeal




Somatic and visceral motor AND somatic and visceral sensory

What kind of sensory does CN IX provide?

Somatic sensory: sense of taste from tongue




Visceral sensory: baroreceptors (monitors BP) and chemoreceptors (monitors O2 and CO2 concentrations)

What CN monitors BP and O2/CO2 concentrations?

Glossopharyngeal CN IX

What kind of parasympathetic action does Glossopharyngeal perform?

autonomic motor to salivary glands like parotid gland

What kind of motor does CN IX provide?

Somatic motor: motor to muscles for swallowing



Visceral motor to salivary glands like parotid

Glossopharyngeal leaves the skull via?

Jugular foramen

CN X:

Vagus

Vagus or _______ provides what kind of fibers?

Visceral sensory, somatic and autonomic motor

CN X or ________ provides what kind of sensory?

Visceral sensory: sensory from internal organs of thorax and abdomen

The recurrent laryngeal nerve branches from what nerve?

X or Vagus

Vagus or _________ provides what kind of motor?

Somatic motor: motor to vocal chords of larynx

Vagus provides what in terms of parasympathetic?

motor to internal organs of the thorax and abdomen

What nerve does Vagus emerge from the skull with? and via what?

Glossopharyngeal, Accessory




Jugular foramen

CN XI:

Accessory

Accessory or __________ contains what kind of fibers?

Somatic sensory and somatic motor

Somatic means what:

Something we are capable of being aware

CN XI or _________ provides what kind of sensory?

Somatic sensory to larynx and neck

Accessory or ________ provides what kind of motor?

Somatic motor to muscles of neck and shoulder.

What specific muscles does the accessory nerve innervate?

Trapezius, sternocleidomasoides, and cleidocephalicus m

Accessory leaves the skull via?

Jugular foramen




(so leaves with glossopharyngeal and vagus)

XII:

Hypoglossal

Hypoglossal or ________ carries what kind of fibers?

Somatic sensory and somatic motor

CN XII carries what kind of motor?

Somatic motor: motor to tongue

Hypoglossal or ________ carries what kind of sensory?

Somatic sensory to proprioception from tongue

CN XII exits the skull via and forms?

Leaves skull by Hypoglossal canal




Forms ansa cervicalis with ventral br of C1