Intro to Audio
The study of human hearing
what is Audiology
The visible part of the outer ear
What is Pinna
How many rows of outer hair cells do humans have?
3-5
How often must audiometers be calibrated?
Once a year
A graphical representation of hearing test results
What is Audiogram?
Degree you need to become an Audiologist
What is Masters Degree or AuD
What is the resonance of the External Auditory Canal?
Around 2500 Hz
Fluid found in scala vestibuli and the scala tympani
What is Perilymph
A long piece of tubing that is inserted into the ear canal via a soft, disposable tip
What are insert earphones?
It shows the shape of the hearing loss pattern on a graphical display
What is Configuration of Hearing Loss?
Tool used to measure hearing sensitivity is called?
What is Audiometer
What is the middle ear filled with?
What is Air
It transduce mechanical energy into electrical or neural energy
What is Cochlea
This sends a sound signal straight to the inner ear
What are bone oscillators?
The softest sound still audible
What is Threshold of Audibility?
Used to describe the functional limitations caused by hearing loss
What is Hearing Disability or Hearing Handicap
Name the three ossicles
What is Malleus, Incus, Stapes
Making a cell more positive or negative
What is depolarization?
Stimulus that can help patients with short attention spans or with tinnitus
What is Warble tone
Symbol for right and left unmasked air conduction
Circle and X
Hearing disabled to the point that speech may not be understood with or without a hearing aid
What is Deaf
What is the smallest human muscle?
What is Stapedius muscle
The resting potential of endolymph
Approximately 80 mV
What is Endocochlear Potential
Standard headphones that goes on top of pinna and ear canal
What are supra-aural earphones?
Three parameters used to describe individual hearing sensitivity/impairment?
Degree of Hearing Loss
Configuration of Hearing Loss
Type of Hearing Loss