Cranial nerves Flashcards
LEARN
Ooh
Ooh
Ooh
To
Touch
And
Feel
Various
Girls
Vaginas
And
Hymen
Ooh
Ooh
Ooh
To
Touch
And
Feel
Various
Girls
Vaginas
And
Hymen
What is commonly damaged in fractures to anterior cranial fossa?
Function?
Olfactory nerve CN1
Smell
Function optic nerve?
Vision
Pupil reflex
Total blindness in L eye what is damaged?
Left optic nerve
Function occulomotor nerve?
Coordinate eye position during movement
Accommodation- constrict dilate
Issues with dilating/constricting- which nerve?
Occulomotor
Double vision when look down what nerve?
Trochlear
Function trochlear?
Movement superior oblique
Allow look down
What are 3 branches of trigeminal nerve (where exit)?
Ophthalmic (V1) exists through the superior orbital fissure
Maxillary (V2) exits through the foramen rotundum
Mandibular (V3) exits through the foramen ovale
Loss blink reflex which nerve damaged?
Trigeminal
Inability abduct eye- which nerve damaged?
Abducens
Drooping eyelid what nerve damaged?
Facial nerve
What is cause of bells palsy?
Lesion facial nerve
Function Vestibulocochlear Nerve (CN VIII)?
Hearing, balance , posture
Effect damage to Vestibulocochlear Nerve (CN VIII)?
Deafness
Dizziness
Nausea
Loss of balance
Nystagmus
Function glossophayngeal nerve?
Provides motor innervation to the stylopharyngeus muscle
Elevate pharynx and larynx
Hoarseness symptom?
Damage recurrent laryngeal nerve
Lesions vagus
What supplies sternocleidomastoid and trapezius muscles?
Accessory nerve
Inability shrug/rotation? Injury?
Injury accessory nerve
Where find cranial nerves:
1,2
3
4
5
6-10
11
12
1,2- cerebrum
3- interpendicular
4- dorsal
5- pons
6-10- bulbopontine
11- lateral sulcus
12- ventrolateral sulcus
