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41 Cards in this Set
- Front
- Back
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___ pairs of cranial nerves
- ________, _________ or both - Enter and exit the ____________, except ________ and____________ which enter the ___________ directly |
12
sensory, motor brainstem optic olfactory cerebrum |
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___ pairs of spinal nerves
- All spinal nerves carry __________ and __________ information |
31
sensory motor |
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Cranial Nerve #1 is ________. it is ________ only and carries sensation of ________.
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olfactory
sensory smell |
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Cranial nerve #2 is _________. It is _________ only and carries _________ information to _________ lobe.
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optic
sensory visual occipital |
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Cranial nerve #3 is _____________. It is _______ and all ____ muscles except for two: superior _________ and lateral ________.
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oculomotor
motor eye oblique rectus |
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Cranial nerve #4 is ___________. It is ______ to one muscle of the ____: superior ________.
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trochlear
motor oblique |
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Cranial nerve #5 is ____________. It is _______. Sensory portion has three major divisions: __________, ___________, ___________. It transmits sensations of ______, ___________, and _______. Motor branch ___________ muscles of ______________ and ________ _________ muscle.
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trigeminal
mixed opthalmic, maxillary, mandibular pain, temperature, touch innervates mastication tensor tympani |
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Cranial nerve #6 is __________. It is ________ and goes to one ___ muscle: the lateral _________. To remember: _ _ _ _ _ _ - everything else is moved by ___.
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abducens
motor eye recturs LR6 SO4 3 |
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Cranial nerve #7 is _________. It is _________. Motor to muscles of _______ __________ and ___________ muscle of the inner ear. Carries _________ sensation from anterior 2/3 ________.
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facial
mixed facial expression stapedius taste tongue |
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Cranial nerve #8 is __________ (_________________) and is __________. It deals with _________ and __________.
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autditory
vestibulocochlear sensory hearing balance |
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Cranial nerve #9 is _________________. It is ________. _______ from ___________ 2/3 tongue. Motor to _______________ muscle.
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glossopharyngeal
mixed taste posterior stylopharyngeus |
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Cranial nerve #10 is _______. It is _________ and innervates most of the _______, ___________, and all of _____________ musculature. Sensation to ___________, _________. Motor to __________, ____________, ________ muscles.
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vagus
mixed velum, pharynx, larynx pharynx, larynx laryngeal, pharyngeal, velar |
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Cranial nerve #11 is ________ (_________) and is _______. Turns ________ via _____________________ muscle. Contributes _________ fibers to the ______ - so assists with some of the ________ nerve functions.
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spinal
accessory motor head sternocleidomastoid motor vagus vagus |
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Cranial nerve #12 is ___________ and is ________ and deals with ________ movements.
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hypoglossal
motor tongue |
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Cranial nerves originate from the ___________ and innervate muscles of what?
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brainstem
head neck face larynx tongue pharynx glands |
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Cranial nerves are essential for ________, __________, ___________. Also special senses of _______, ___________, _______ and ________.
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speech, phonation, resonation
vision, audition, smell, taste |
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Most cranial nerves are ____________, they receive ____________ projections from ______ _______ of the cortex.
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bilateral
corticobulbar both sides |
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Trigeminal Nerve (Sensory)
- General sensory input from the ______ and parts of the ______ - Fine ________, __________, _________, ______ and ____________. - Think: ________ for ______ - Three ________ ("three ________"): __________, __________, __________ |
-face
parts touch, vibration, proprioception, pain, temperature trigeminal touch branches twins ophthalmic, maxillary, mandibular |
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This trigeminal nerve branch carries sensory from upper face including conjuctiva, cornea, forehead, eyelid, bridge of nose.
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ophthalmic
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This trigeminal nerve branch carries sensory from cheeks, nasal cavity, upper jaw.
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maxillary
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This trigeminal nerve branch carries sensory from lower jaw, teeth gums, anterior 2/3 of tongue, external auditory meatus, and external tympanic membrane.
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mandibular
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The cell bodies in the trigeminal ganglion are what?
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a cranial nerve equivalent of a dorsal root ganglion
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The ____________ (#__) sends sensory input to 3 nuclei and carries motor output from one nucleus.
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trigeminal
5 |
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The main trigeminal sensory nucleus receives ______ ________ and _________ from the trigeminal branches.
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fine touch
vibration |
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The ________ trigeminal nucleus receives _______ and __________ and dips into _________ _______.
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spinal
pain temperature spinal cord |
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The _______________ trigeminal nucleus receives ____________ information from the jaw. It projects to trigeminal _______ nucleus (___________ nuclei)
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mesencephalic
proprioceptive motor masticator |
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Trigeminal _______ nerve originates in the ___________ nuclei and exits the brainstem from the lateral ______. It innervates muscles of ___________:
________ ________ __________ (soft palate) __________ __________ (middle ear) |
motor
masticator pons mastication tensor veli palatini tensor tympani |
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The facial nerve (#__) is primarily a ________ nerve for _____ and ______. Motor for ________ glands too (makes ________) and _______ ______. Motor for ________ muscle (ear). Sensory for ______: _________ 2/3 of tongue.
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7
motor face scalp salivary saliva nasal cavity stapedius taste anterior |
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The facial nerve (#__) originates in _________ ____________ in dorsomedial pons and exits the brain stem between _____ and __________. It wraps dorsomedially around _________ nucleus before exiting brain stem.
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8
facial nucleus pons medulla abducens |
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The facial nerve innervates muscles of ___________ __________ and a lmn lesion leads to ____________ of ____________ _________. Ex: _______ _________
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facial expression
paralysis ipsilateral face Bell's palsy |
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The facial nerve has cell bodies in ___________ ______________ which is equivalent to a _______ root ganglion. It carries ______ sensation from the _______ ear. It mediates ______ from the anterior 2/3 of the tongue (touch from ___ V)
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geniculate ganglion
minor external taste CN |
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The vestibuloacoustic is the acoustic/_________ division - _______. Originate in the _______ ganglia, innervate _____ cells of organ of ____; eventually in ___________ ____________ __________ (_________ lobe). Vestibular division - mediates ______ position in space and ____________.
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auditory
hearing spiral hair corti primary auditory cortex temporal head equilibrium |
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Glassopharyngeal (#___) - sensory
- Cell bodies in ___________ ___________ __________ - Carries minor sensation from ________ ear and _____ ______ |
superior glossopharyngeal ganglion
external ear canal |
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Which nerve has initiation of reflexes, touch, pain, tension, and temperature from the upper pharynx, tonsils, eustachian tube, soft palate, and the posterior 1/3 of the tongue?
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glossopharyngeal
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The Vagus nerve is _________. It originates in the ____________ and has a more extensive _______ and ___________ than any of the other cranial nerves.
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mixed
medulla course distribution |
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Which nerve is primarily involved in sensory and motor innervation of the larynx?
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vagus
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Which nerve is important for voicing, swallowing, and resonance?
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vagus
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The spinal accessory nerve is _______ and originates from _________ cell bodies located in the __________ spinal cord and the ____________ ____________.
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motor
neuronal cervical caudal medulla |
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The nerve pathways of which cranial nerve innervate the sternocleidomastoid and trapezius muscles in the neck and back/shoulders and assists with innervation of a couple of palatal muscles?
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spinal accessory
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Which cranial nerve innervates all the intrinsic muscles of the tongue - specifically styloglossus, hyoglossus, and genioglossus.
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hypoglossal
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Which cranial nerve is important for speech and swallowing functions due to its innervation of the muscles of the tongue?
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hypoglossal
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