Chp 36 Flashcards
s/s: hearing loss
- ask to repeat info
- talk inappropriately loud
- not responding if spoken out of sight
- poor pronounciation
- responding only when speaking loudly
- ringing in ears
- decreased hearing
- ear infection/injury
- blood/discharge from ears
- unusual noise/feeling in ears
what s/s of hearing loss does a provider need to be notified about?
- ringing in ears
- decreased hearing
- ear infection/injury
- blood/discharge from ears
- unusual noise/feeling in ears
what are some ways people might compensate for hearing loss?
- read lips
- turn best ear to sound source
- pretend they heard
- increase volume
- stand very close
- withdraw
purpose of tympanometry
determine ability to transmit sound through middle ear to diagnose infection
what does a tympanometry measure
pressure
how is a Rinne Test performed
hold tuning fork to mastoid bone
what is a normal result of a rinne test
sound heart two more times via air conduction than bone conduction
what is negative rinne test result?
bone conduction hearing is greater than air conduction
where is a tuning fork held in a weber test?
against crown/forehead
how should a pt be positioned for eye irrigation?
pt lays on side w/face turned to side of eye being irrigated
eyes should be flushed from ___ canthus to ____ canthus
inner; outer
what should be looked for when testing visual acuity?
- tilting head to forward/side
- blinking/watering eyes
- frowning/puckering of face
- close 1 eye when testing both eyes
- sign of straining
what is considered legally blind
less than 20/200 in better eye w/lenses
what does the numerator of a vision score represent
feet from snellen chart (generally 20)
aka: color blindness
color deficiency
what are the 2 main types of color blindness
daltonism and achromatic
define DALTONISM
can’t tell red and green
define ACHROMATIC
true color blindness and can only see white, grey, and black
define DEUTERANOPIA
can’t tell between green, bluish reds, and neutrals
define PROTANOPIA
partial color blindness and can’t see reds, yellows, and greens
define TRITANOPIA
rarest form of color blindness that can’t see blue
color vision needs to checked in people with
thyroid conditions
what is affected by all major eye diseases
contrast sensitivity
what are 2 contrast sensitivity tests
Pelli-Robson and CSV-1000
the CSV-1000 is the preferred test for contrast sensitivity for these people
small kids, illiterate, and non-english speaking
define VITAL CAPACITY
greatest volume of air expelled after max inspiration and relaxed exhalation
vital capacity depends on
age, sex, height
how expirations are tested with a spirometer at a time
3-5
what should be looked for when doing a spirometer testing
stress, coughing, and dizziness
what is an abnormal spirometer test
less than 80%
what does peak flow measure
exhale
when is a peak flow down
if inconclusive spirometry
if someone has a peak flow 50%-80%, then they need to do what
use a rescue inhaler
what does a peak flow of less than 50% reqire
emergency care
