The Audiogram
The axis along which intensity is depicted
What is the y axis
Sound waves that occur many times per second.
What are High frequency sounds?
A disorder thought to be the result of excess endolymph
What is Meniere's disease?
The first bone in the ossicular chain ( distal to medial)
The malleus
Used during audiological assessment to prevent the participation of the non test ear
What is masking?
250Hz , 500Hz, !000Hz, 2000Hz, 4000Hz, 8000Hz
What are the frequencies routinely tested in audiometry.
The loudness of a sound
What is intensity
What is Otitis Media?
The location of hair cells within the cochlea.
What is the Organ of Corti?
Signifies a conductive component to hearing loss.
What is an air bone gap?
A difference of greater than 10dBHL between air conduction and bone conduction
What is an air bone gap?
0002 dynes/CM2
What is the reference for measuring sound pressure?
The placement of PE tubes in the Tympanic Membrane
WHat is the treatment for Otitis Media?
The bone that vibrates the Oval Window.
What is the Stapes?
Makes sound artificially louder when the ear canal is blocked
What is the oclusion effect?
The reference point on an audiogram
What is audiometric zero
10-16 Watts /CM2
What is the reference for measuring sound in power.
A benign growth on the VIII th nerve
Wat is a vestibular Schwannoma
The vestibulocochlear nerve
What nerve transmits sound from the cochlea to the brain?
The amount of sound that is "lost" or diminished by the bones of the skull.
Interaural attenuation
X and o
What are the symbols for left and right ear air conduction thresholds?
The scale used to measure hearing
What is dBHL?
A hole in the eardrum
What is a Perforated Tympanic Membrane?
The structure that drains and airates the middle ear.
WHat is the Eustachian Tube?
The transmission of sound through the skull.
What is bone conduction?