cranial nerves Flashcards
what is the mneumonic for cranial nerves
oh oh oh to touch and feel very good vaginas, ah heaven
what is the mnemonic for the sensory/motor/both cranial nerves
some say marry money but my brother says big brains matter more
what are the 12 cranial nerves
olefactory, optic, oculomotor, trochlear, trigeminal, abducens, fascial, vestibulocochlear, glassopharynx, vagus, accessory, hypoglossal
what is the first cranial nerve
olefactory nerve
what are the special receptive neurons in the olfactory nerve called
cheoreceptors
what is the second cranial nerve
optic nerve
what are the special receptive neurons in the optic nerve called
photoreceptor
if you have a pituitary tumor, what part of your vision would you lose at the same time
temporal
nerve fibers that arise from the _______ half of each retina cross at the optic chiasma to the opposite side of the brain whereas the nerve fibers that arise from the _______ half of each retina remain on the same side of the brain
medial
lateral
what are some causes of increased pressure that can cause palsy of the oculomotor nerve
rostrocaudal brain deterioration, tumors, cerebral edema
what is the 3rd cranial nerve
oculomotor
what is the fourth cranial nerve
trochlear
what does the trochlear cranial nerve do
pulls the eyeball down and laterally
what is the fifth cranial nerve called
trigeminal
what are the names of the the _ branches of the trigeminal nerve
ophthalmic nerve branch
maxillary nerve branch
mandibular nerve branch
what muscles does the trigeminal nerve innervate
masseter, temporalis, medial and lateral pterygoids
what is the 6th cranial nerve
abducens
what does
the abducens do
move eye laterally
what is the seventh cranial nerve
facial nerve
what are the motor functions of the facial nerve
innervate several muscles of facial expression (epicranius, buccinator) and to increase secretions from lacrimal glands
what is the sensory function of the facial nerve (the answer is not ‘the face’)
receive impulses of taste from the anterior two thirds of the tongue (chemoreceptors for sweet) and convey them to the gustatory (taste) areas of the brain
which is the worst cranial nerve pair to lose for quality of life
the facial nerve number 7
what is the 8th cranial nerve
vestibulocochlear
know this:
adults with shingles can infect children (who havent been vaccinated) with chicken pox
