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65 Cards in this Set
- Front
- Back
CN I: |
Olfactory |
|
CN II: |
Optic |
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CN I possesses what kind of fibers? |
Sensory |
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CN II or ________: possesses what kind of fibers? |
Sensory |
|
Chem acronym for eye muscle innervation |
(LR6 SO4)3 |
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CN III: |
Occulomotor |
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CN III or ________ and carries what kind of fibers? |
Motor |
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CN II leaves the skull via: |
The optic foramen |
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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 |
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Occulomotor has what parasympathetic effects? |
Autonomic motor to iris of the eye (pupil size) Accommodation to ciliary processes to change lens |
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CN IV: |
Trochlear |
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CN IV or ___________ carries what fibers? |
Trochlear carries motor |
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CN III leaves the skull via what? |
Orbital fissure |
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CN IV leaves the skull via what? |
Orbital fissure |
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CN V is what? |
Trigeminal |
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CN V or ____________carries what fibers? |
Motor and Sensory |
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CN V gives sensory to what? |
Sensation from face |
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CN V gives motor to what? |
Motor to jaw muscles |
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What are the branches of the Trigeminal? |
CN V: Opthalamic branch, Maxillary and Mandibular branches |
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The ophthalmic branch of the trigeminal leaves the skull via what? |
Orbital fissure |
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The maxillary branch of the trigeminal leaves the skull via what? |
Round foramen |
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The Mandibular branch of the trigeminal leaves the skull via what? |
Oval foramen |
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CN VI: |
Abducent |
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CN VI or _____________ carries what kind of fibers? |
Motor |
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What does abducent or ____________ supply motor too? |
The lateral rectus |
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So if there is a problem with Oculomotor what might one see in the eye? |
Lateral strabismus because Abducent is still working (lateral rectus) |
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Abducent or __________ leaves the skull via what? |
orbital fissure |
|
CN VII: |
Facial |
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Facial or ___________ carries what kind of fibers? |
motor and sensory |
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Facial supplies motor to what? |
Facial muscles |
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Facial supplies sensory to what? |
Sense of taste from tongue (rostral 2/3 of tongue) |
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Facial carries parasympathetic to: |
salivary/lacrimation gland |
|
The Facial nerve leaves the skull via? |
Stylomastoid foramen |
|
CN VIII: |
Vestibulocochlear |
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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 |
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Glossopharyngeal means "_______ ________" nerve |
"Tongue throat " |
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CN IX: or ___________ carries what kind of fiber? |
Glossopharyngeal Somatic and visceral motor AND somatic and visceral sensory |
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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) |
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What CN monitors BP and O2/CO2 concentrations? |
Glossopharyngeal CN IX |
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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 |
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CN X: |
Vagus |
|
Vagus or _______ provides what kind of fibers? |
Visceral sensory, somatic and autonomic motor |
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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 |
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What nerve does Vagus emerge from the skull with? and via what? |
Glossopharyngeal, Accessory Jugular foramen |
|
CN XI: |
Accessory |
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Accessory or __________ contains what kind of fibers? |
Somatic sensory and somatic motor |
|
Somatic means what: |
Something we are capable of being aware |
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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 |
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Accessory leaves the skull via? |
Jugular foramen (so leaves with glossopharyngeal and vagus) |
|
XII: |
Hypoglossal |
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Hypoglossal or ________ carries what kind of fibers? |
Somatic sensory and somatic motor |
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CN XII carries what kind of motor? |
Somatic motor: motor to tongue |
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Hypoglossal or ________ carries what kind of sensory? |
Somatic sensory to proprioception from tongue |
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CN XII exits the skull via and forms? |
Leaves skull by Hypoglossal canal Forms ansa cervicalis with ventral br of C1 |