t/f If a patient has present OAEs their hearing is likely to be normal, with the possibility of a mild hearing loss?
T
A patient has a threshold at 40 dB what measure of HL would this be
Mild HL
What major historic event sparked the study of Audiology?
WWII
A patients threshold was seen at 85dB; their measure of hearing loss would be..
Severe
Benefits of wave V
The most stable and occurs close to the threshold
Depolarization means the neuron is becoming...
more postive
What part of the tympanic membrane is the most rigid called?
pars tensa
Carhartt's notch and Schwartz's sign are associated with what disorder?
Otosclerosis
Where is endolymph located?
sclala media
Scarring of your eardrum is known as...
tympanosclerosis
Cholesteatoma will present with what type of HL
conductive
Definition of sound intensity
How much power is transferred or lost from the sound source to the surrounding area
what type of ototoxic drug reduces fluid retention in the body?
Loop Diuretics
T/F there is a live voice used to measure ABR
F
What does a type B tymp mean with a large ear canal space?
A perforation
Exostosis is most common in what hobby
Scuba diving and surfing
Definition of absolute latency
the amount of time it takes for the wave to occur, from the start until the peak
You have two 75 Hz sound waves: one starts at 90 degrees, the other starts at 180 degrees. What is the phase relationship between the two?
90 degress out of phase
Which part of the basilar membrane responds to high-frequency sounds?
the base
T/F loudness is a physical property of sound?
False
Mucoid is what type of effusion?
Thick cloudy, white type of fluid
What is ototoxicity?
Damage to your ear caused by drugs
When you measure the difference of latency between two ears, that's known as..
interaural latency
Definition of amplitude, in terms of waves
How large the waves are
T/F mictrotia is always asosciated with a HL
false