O3 CN's (review), Exam 3 Flashcards
UMN lesion results in a ________ paralysis (above PoD) results in _________ symptoms
LMN lesion results in ________ paralysis (below PoD) results in ___________ symptoms
UMN lesion results in a spastic paralysis (above PoD) results in contralateral symptoms
LMN lesion results in flaccid paralysis (below PoD) results in ipsilateral symptoms
On - CN I - __________ Some
Old - CN II - ________ Say
Olympus - CN III - __________ Marry
Towering - CN IV - ____________ Money
Tops - CN V - ____________ But
A - CN VI - __________ My
Finn - CN VII - _________ Brother
And - CN VIII - _________ Says
German - CN IX - ______________ Big
Vended - CN X - _______ Brains
At - CN XI - _________ Matter
Hops - CN XII - ___________ More
CN I - Olfactory
CN II - Optic
CN III - Oculomotor
CN IV - Trochlear
CN V - Trigeminal
CN VI - Abducens
CN VII - Facial
CN VIII - Acoustic
CN IX - Glossopharyngeal
CN V - Vagus
CN VI - Accessory
CN VII - Hypoglossal
CN I - _________
General sense of ________, connections to hippocampus and ___________.
Lesion may resuly in inability to _______/_______
CN I - Olfactory
General sense of smell, connections to hippocampus and memory.
Lesion may resuly in inability to smell/taste
CN II - ________
vision is cut in ____________
lesions result in _______ _____
CN II - Optic
vision is cut in quadrants
lesions result in field cuts
CN III - ___________
controls _________ muscles (lens, pupils, iris), and __________ eye muscles
lesions may result in a ___________, _________ (double vision), ________ (lazy eye), or ___________
CN III - Oculomotor
controls intrinsic (lens, pupils, iris), and extrensic eye muscles
lesions may result in a strabismus, diplopia (double vision), ptosis (lazy eye), or nystagmus
CN IV - __________
controls _________ _________ eye muscle, and __________ movement of eyes.
lesions may effect appropriate _________ of pupils
CN IV - Trochlear
controls superior oblique eye muscle, and conjugate movement of eyes.
lesions may effect appropriate dilation of pupils
CN V - __________
General sensory for ______ and ______, tiny motor component for _________ ________ and ________ ______ _________ muscles
3 branches (OMM)
___________
___________
____________
lesion effect may result in __________ _________ (agonizing…suicide nerve)
CN V - Trigeminal
General sensory for face and head, tiny motor component for tensor tympani and tensor veli palatini muscles
3 branches (OMM)
opthalmic
maxillary
mandibular
lesion effect may result in trigeminal neuralgia (agonizing…suicide nerve)
CN VI - __________
controls _________ _________ eye nuscle
lesion may result in __________
CN VI - Abducens
controls lateral rectus eye nuscle
lesion may result in diplopia
CN VII - ________
motor innervation of upper ______, _________, main motor for ________ expression, __________ muscle
upper face is __________ innervated (eyes are important!), lower face is _________ innervated.
lesion may result in loss of __________ facial expression, but not __________
CN VII - Facial
motor innervation of upper face, forehead, main motor for facial expression, stapedius muscle
upper face is bilaterally innervated (eyes are important!), lower face is unilaterally innervated.
lesion may result in loss of volitional facial expression, but not biological
CN VIII - _____________ aka _________
two branches
__________ (balance)
___________ - localization of sound
lesions may result in ___________ or __________ hearing loss
CN VIII - Vestibulocochlear aka Acoustic
two branches
vestibular (balance)
auditory - localization of sound
lesions may result in conductive or sensorineural hearing loss
CN IX - ____________
responsible for _______ and __________ sensation along with regulation of ___
CN IX - Glossopharyngeal
responsible for taste and pharyngeal sensation along with regulation of BP
CN X - ________
motor for ________, ________ muscles, __________ constrictors, all ________ laryngeal muscles, general sensation for _______, ________, skin of external ear, and external auditory canal.
has a _________ laryngeal branch (internal and external)
has a _________ laryngel branch
lesions result in __________, vocal cord ________, ipsilateral VF ________, harsh voice, uneven palatal elevation
CN X - Vagus
motor for viscera, palatal muscles, pharyngeal constrictors, all intrinsic laryngeal muscles, general sensation for larynx, pharynx, skin of external ear, and external auditory canal.
has a superior laryngeal branch (internal and external)
has a recurrent laryngel branch
lesions result in dysphagia, vocal cord paresis, ipsilateral VF paralysis, harsh voice, uneven palatal elevation
CN XI - __________ (Spinal)
motor for ____________ and _________ (strap muscles). accessory to _______ nerve
lesion may have some effect on ________
CN XI - Accessory (Spinal)
motor for sternicleidomastoid and trapezius (strap muscles). accessory to vagus nerve
lesion may have some effect on voice
CN XII - ___________
motor never for _________. biological aspects are ________, sucking, __________. volitional aspects are _________ and articulation
lesion may effect __________ aspects. speech not affected unless _____ damage
CN XII - Hypoglossal
motor never for tongue. biological aspects are eating, sucking, swallowing. volitional aspects are speech and articulation
lesion may effect volitional aspects. speech not affected unless UMN damage
nerve trunks can be damaged by __________ and _________ (even the flu)
nerve trunks can be damaged by allergies and viruses (even the flu)
