Cranial Nerves

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cranial nerve V: ________________

trigeminal nerve

cranial nerve IV: ______________

trochlear nerve

cranial nerve X [vagus nerve] SENSORY NERVE brings sensation from ___________ __________

visceral organs

cranial nerve VII [facial nerve] exits from ______

pons

cranial nerve II[optic nerve] injury results in ___________ ________ ________ ______

selective visual field loss

cranial nerve IX [glossopharyngeal nerve] MOTOR FUNCTION is ____________

swallowing

cranial nerve VI [ abducens nerve originates from the _____________ of the _______

tegmentum of the pons

cranial nerve VI: _______________

abducens nerve

cranial nerve I [olfactory nerve] impairment leads to ___________

anosmia [loss of sense of smell]

Cranial nerves originate from the ______________

brainstem

cranial nerve VII: _______________

facial nerve

cranial nerve XI [spinal accessory nerve] innervates muscles for controlling ________ ____________

head movement

cranial nerve XII: _____________ this is a _______ nerve

hypoglossal nerve -motor

cranial nerve IV [trochlear nerve] lesion results in ____________ ____________ _______

impaired downward gaze

cranial nerve IX [glossopharyngeal nerve] SENSORY FUNCTION is sense of _________ & _______ from _________ 1/3rd of the _________

-touch & taste -posterior -tongue

Cranial nerve X : _________________ -this is the __________ cranial nerve -this nerve serves as both ___________ & ________ nerve

-vagus nerve -largest -sensory & motor

cranial nerve VIII: ________________ this nerve is a _________ nerve

-vestibulo-acoustic nerve -sensory

...KNOW ANATOMICAL CLASSIFICATION....

....

Cranial nerves innervates muscles of the: [7---HN, FT, PLG]

1. head 2. neck 3. face 4. tongue 5. pharynx 6. larynx 7. glands

there are ______ pairs of cranial nerves

12

cranial nerve VIII [vestibulo-acoustic nerve] has _____ divisions: 1.____________ 2.___________

-2 -vestibular -acoustic

cranial nerve VII [facial nerve] controls ______ muscles of _________ _________

-all -facial expression

cranial nerve IV [trochlear nerve] exits from __________ below _____

-brainstem -IC

cranial nerve II [optic nerve] has _________ & _________ fibers that terminate in ________ _______

-crossed -uncrossed -visual cortex

cranial nerve VII [facial nerve] lesions leads to: -________ paralysis -loss of _________ _______ -interferes with __________ of ________ & _________

-facial -taste sensation -production of tears & saliva

cranial nerve V [trigeminal nerve] lesions result in __________ _________ _______ and _________ of the ______

-facial sensory loss -paralysis of the jaw

cranial nerve IX: __________________ this nerves serves both _________ & _______ functions

-glossopharyngeal nerve -motor & sensory

cranial nerve VIII [vestibulo-acoustic nerve] division 1: (VESTIBULAR) -concerns with position of _______ in _______ -lesions result in _____ of __________

-head in space -loss of hearing

cranial nerve VIII [vestibulo-acoustic nerve] division 2: (ACOUSTIC) -concerned with _________ -lesions result in _________ of _________

-hearing -loss of hearing

cranial nerve XII [hypoglossal nerve] innervates ALL ___________ & ______ __________ muscles of the ________

-intrinsic & some extrinsic -tongue

cranial nerve X [vagus nerve] lesions result in paralysis of the _________ & _________, loss of sensation from __________ ________

-larynx & pharynx -visceral organs

cranial nerve XI [spinal accessory nerve] cranial roots exit form the _________ and innervate ______ & _______ muscles

-medulla -neck & shoulder

cranial nerve X [vagus nerve] MOTOR NERVE leave _________ & activates muscles of the __________, ________, & ____________

-medulla -pharynx, larynx, & soft palate

cranial nerve V [ trigeminal nerve] is a _______ nerve: -SENSORY for the ______, _____, & _______ structures -MOTOR for ______ movements

-mixed -face, head, & oral -jaw

cranial nerve III [occulomotor nerve] is a _________ nerve that controls ____ of the ___ muscles responsible for moving the _______

-motor -4 -5 -eyes

cranial nerve VII [facial nerve] is primarily _______ but also has ________ function.

-motor -sensory

cranial nerve XI [spinal accessory nerve] lesions causes RESTRICTED ________ movement and __________ of _________

-neck -weakness of shoulder

cranial nerve I: _______________/ ______________ this nerve is responsible for ___________ ____________.

-olfactory nerve/ sensory nerve -smell perception

cranial nerve IV [trochlear nerve] is a MOTOR nerve that controls ____ of the muscles responsible for _____ movement

-one -eye

cranial nerve VI [abducens nerve] is a MOTOR nerve that controls ______ of the muscles of the ______ movement.

-one -eye

cranial nerve II: _____________ this nerve is concerned with ___________ __________

-optic nerve -visual sensation

cranial nerve XII [hypoglossal nerve] lesions result in ________ of _____ of the __________

-paralysis -half -tongue

cranial nerve VI [abducens nerve] lesions result in _________ _________ _______ with a _________ fixed eye

-partial occular paralysis -medially

cranial nerve III [occulomotor nerve] lesions results in _________ of the eyelid, ________ of the pupil, laterally ___________ position of eye

-ptosis -dilation -deviated

cranial nerve I [olfactory nerve] originates from ________ in the _________ of the ________ cavity

-receptors -mucosa -nasal

Cranial nerve II[optic nerve] originates from the ______ in both ______ & unite at _________ _________

-retina -eyes -optic chiasm

cranial nerves are essential for _________, ________, & ___________

-speech -resonance -phonation

cranial nerve XI: _________________ this nerve consists of ________ and _________ nerves

-spinal accessory nerve -spinal & cranial

cranial nerve VII [facial nerve] senses _______ from ____________ 2/3rd's of the _________

-taste -anterior -tongue

cranial nerve IX [glossopharyngeal nerve] lesions result in loss of _________ sensation & ______ ___________

-taste -mild dysphagia

cranial nerve V [trigeminal nerve] originates from the ______________ of the ______

-tegmentum -pons

List the cranial nerves: [12---OOO,TT,AFV, GV, SH]

I. olfactory nerve II. optic nerve III. occulomotor nerve IV. trochlear nerve V. trigeminal nerve VI. abducens nerve VII. facial nerve VIII. vestibulo-acoustic nerve IX. glossopharyngeal nerve X. vagus nerve XI. spinal accessory nerve XII. hypoglossal nerve

cranial nerves are part of the _______

PNS

cranial nerve IX [glossopharyngeal nerve] originates in the _____________

medulla

cranial nerve XII [hypoglossal nerve] leaves the ___________

medulla

cranial nerve III [occulomotor nerve] emerges from the ___________

midbrain

cranial nerve III: ________________

occulomotor nerve

cranial nerve I [olfactory nerve] terminates in the ___________ ________

olfactory bulb


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