what does the astigmatism test assess
cornea or lens irregularities
T/F: slurred speech & lateral tongue deviation indicate damage to the glossopharyngeal nerve
false!!!!!!!!!!!! hypoglossal!!!!!!!!!!
somatic is to voluntary, ___ is to involuntary
autonomic
where is vitreous humor found
posterior to the lens
how is a blind spot test conducted
X must be in line with respective eye, keep your focus on the X as you slowly bring the card closer to your face, dot will disappear & reappear as you move the card
in a visual acuity test, what does it mean if someone has 20/40 vision
a person can see at 20 feet what a person with normal vision can see at 40 feet
how can a provider assess CN IX
stick out ur tongue & say ah
if the fork sounds louder in the ear with hearing loss, this is probably unilateral ____ hearing loss
conductive
where can you find the 6 glia?
cns: astro, oligo, micro, epen
pns: schwann, sat
the _____ aka blind spot is where we lack photoreceptors
optic disc
explain the differences in results & what is being assessed in the weber and rinne tests
weber: tuning fork placed at top of skull
sound travels to reach both inner ears to determine if there is conductive hearing loss problem in delivering sound to the cochlea or sensorineural hearing loss damage to inner ear
rinne: uses a tuning fork to assess sound heard through air or bone
2 functions of CN X
gag reflex, parasympathetic innervation
explain it to me like i'm 5: difference between glaucoma & cataracts
glaucoma: can't see things on the side, can go blind
cataracts: vision just blurry bc of gray
gray matter consists of
unmyelinated axons, neuronal cell bodies, dendrites
what is wernicke's aphasia
difficulty in language comprehension
gait assessment is associated with which cranial nerve
CN VIII: vestibulocochlear/auditory
which CN innervate the eye muscles
CN III, IV, VI
which part of the brain is responsible for movement & balance coordination
cerebellum
reflex arc steps in order
receptor, sensory neuron, integration center, motor neuron, effector
which part of the brain helps regulate the endocrine system
hypothalamus
difficulty maintaining a firm bite during resistance testing may indicate impairment of which cranial nerve
CN V: trigeminal
name all 12 cranial nerves, roman numerals & functions
:P
when looking at distant objects why do the lens become convex
change in shape is necessary for the eye to focus light from far away onto the retina
define all 10 affixes
this is 10 points on ur practical
name the 4 brain lobes & their respective functions
temporal- auditory
occipital- visual
parietal- somatosensory
frontal- higher level fxn