Cranial Nerves
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