Head, Ears, Nose, and Throat Flashcards
what is the purpose of the Weber test?
to assess unilateral hearing loss.
what are the two questions you ask the patient during the Weber test?
- do you hear the sound?
2. do you hear the sound equally in both ears?
which ear is the bad ear? Weber lateralizes to the R ear, loss is conductive
R ear
which ear is the bad ear? Weber lateralizes to the R ear, loss is sensorineural?
L ear
what is an audiogram
recording of pt’s sound, to determine type and degree of hearing loss.
sensorineural loss
missing or damaged sensory hair cells in cochlea due to disease/damage to cranial nerve VIII
what is the name of cranial never VIII
vestibulocochlear
what are some possible causes for sensorineural loss
loud sounds, certain drugs or dieases
conductive hearing loss
result of sound not being able to pass to inner ear. either abnormality of external auditory canal OR middle ear.
what are some possible causes for conductive hearing loss?
blockage, wax, foreign body, otitis externa/media, fluid accumulation, perforated/damaged TM
what would be apparent when inspecting the nose of a patient with rhinitis?
bilateral mucoid or purulent discharge.
what type of hearing loss would be caused by otosclerosis?
conductive
otosclerosis
bone deposition that causes immobilization of the stapes
what distinguishes a tongue with glossitis?
red, smooth, slick appearance
what might glossitis indicate?
Vit b12 deficiency
name the layers of the poster eye from out to in
sclera, choroid, retina
palpebra
eyelid
name the structures of the eye from front to back
cornea, anterior chamber, pupil, lens, vitreous humor, retina, choroid, sclera
what is the ciliary body?
holds lens in place
folds within the nasal cavity
turbinates
is the cone of light anterior or posterior when viewing the ear with an otoscope?
anterior
how do you open the ear for otoscopy in peds?
down and out
how do you open the ear for otoscopy in adults?
out and back
what are you testing with the Rinne test?
assessment of patient hearing by bone or air conduction