Cranial Nerves - Prof Rea Flashcards
what are the 12 cranial nerves
olfactory
optic
oculomotor
trochlear
trigeminal
abducens
facial
vestibulocochlear
glossopharyngeal
vagus
spinal accessory
hypoglossal
what is the first cranial nerve
olfactory
what is the second cranial nerve
optic
what is the third cranial nerve
oculomotor
what is the fourth cranial nerve
trochlear
what is the fifth cranial nerve
trigeminal
what is the sixth cranial nerve
abducens
what is the seventh cranial nerve
facial
what is the eighth cranial nerve
vestibulocochlear
what is the ninth cranial nerve
glossopharyngeal
what is the tenth cranial nerve
vagus
what is the eleventh cranial nerve
spinal accessory
what is the twelfth cranial nerve
muscles of the tongue
what are the three main functional components of the cranial nerves
motor innervation to voluntary muscles
motor innervation to involuntary muscles
sensory
describe the motor innervation to voluntary muscles by cranial nerves
can either be somatic motor or branchial motor
which of the voluntary muscle innervations come from the pharyngeal arches
branchial motor
what are the involuntary muscles provided by the cranial nerves
sphincter papillae and lacrimal glands
describe the sensory component of cranial nerve innervation
sensation from the viscera, general sensation and special senses
what does the sphincter pupillae do
constrict the pupil
what do the lacrimal glands do
tear production
what are the pharyngeal arches remnants of
gills because we evolved from fish
why do pupils constrict in bright light
to protect the back of the retina
what is general sensation
touch pressure temperature and pain
what are special senses
taste
smell
sight
hearing
balance