cranial nerves Flashcards
1
Q
what things does the Facial nerve supply
Supply - ‘face, ear, taste, tear’
A
face: muscles of facial expression
ear: nerve to stapedius
taste: supplies anterior two-thirds of tongue
tear: parasympathetic fibres to lacrimal glands, also salivary glands
2
Q
facial nerve branches
A
Temporal branch Zygomatic branch Buccal branch Marginal mandibular branch Cervical branch
3
Q
corneal reflex afferent and efferent limb
A
ophthalmic nerve and then facial nerve
4
Q
jaw jerk reflex cn
A
mandibular both
5
Q
gag reflex
A
glosso and then vagus
6
Q
carotid sinus
A
gloss then vagus
7
Q
pupillary Light reflex
A
optic then oculomotor
8
Q
lacrimation
A
ophthalmic and then facial
9
Q
vagus nerve palsy
A
uvula deviates away from side of lesion
