special senses Flashcards
taste buds are sensory nerve endings found in or on what
mm of the palate, mm of the pharynx and larynx and the tongue
name all cranial nerves
I- olfactory (smell)
II- optic (visual activity)
III- oculomotor (eye movement and pupil dilation)
IV- trochlear (vertical eye movement)
V- trigrminal (facial sensation and facial expression)
VI- abducens (lateral movement of eye)
VII- facial ( taste and facial expression)
VIII - auditory (hearing and balance)
IX - glossopharyngeal ( taste and swallowing)
X- vagus ( sensation in throat and visceral muscles and vocal cords and peristalsis )
XI- accessory ( head and shoulder movement)
XII - hypoglossal ( tongue movement)
when focusing on a distant object what shape will the lens be what
less convex and stretched out
what is the fluid in the anterior part of the eye
aqueous humour
what is the fluid in the posterior part in the eye
vitreous humour
where is the tapetum lucidum situated
choroid
where in endolymph found within
cochlea
what is the order of the ossicles from the tympanic membrane to the oval window
malleus, incus, stapes
what does the uvea contain
choroid, ciliary apparatus, iris
what is persistant overflow of tears onto the face called
epiphora
when the circular muscles of the iris contract, what happens to the pupil
it constricts
what are the iridescent cells in the choroid called
tapetum
what does the external auditory meatus do
funnels sound to the tympanic membrane
if light is shined in one eye and the other eyes constricts what is this called
consensual reflex
what is continuous with the sclera in the anterior part of the eyes
cornea
