Term
How did the profession of Audiology come to be? |
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Definition
World War II vets reentering civilian life created the profession otology (SLP) aural rehabilitation |
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Term
In what settings do audiologist work? Remember the pneumonic device |
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Definition
Underwear Don't Officially Say Have Intimate Male Private Practice _________________________ Universities Doctors office Schools Hospitals Industry Military Private Practice |
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Term
What types of services do audiologist provide? |
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Definition
•Hearing & vestibular testing and diagnostic •provide aural & vestibular rehabilitation Adjust hearing aids Clean out ear wax |
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Term
What's the divisions of the Outer/middle/inner ear |
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Definition
Pinna-> tympanic membrane tympanic membrane->oval window Oval window-> cochlea |
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Term
What are the 3 structures of the outer ear? |
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Definition
Pinna- what I think of when u say ear Concha- the middle most portion of the outer ear just before the opening into the head. Tragus(goats beard)- a small triangular pice of cartilage that is an efficient way to block sound |
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Term
What are the two hands of the concha called? |
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Definition
Upper cymba concha Lower cavum concha |
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Term
What are the functions of the external auditory canal? |
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Definition
To protect and keep at constant temperature and humidify. To protect fine lower frequencies |
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Term
Describe the External auditory meatus |
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Definition
•elliptical in shape •one inch in length •angles upward •has 2 bends before the tympanic membrane |
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Term
Name two disorders of the outer ear? |
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Definition
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Term
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Definition
One or both ears may be small in size is associated with Down's syndrome |
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Term
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Definition
An infection that occurs in the skin of the EAM caused by water trapped in ears known as swimmers ear |
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Term
What are the 3 types of hearing loss? |
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Definition
•conductive •sensorineural •mixed |
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Term
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Definition
When ever a barrier to sound is present in the outer or middle ear some loss of hearing will result •I.E. wax, fluid or damage or disjointed ossicles |
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Term
Sensorineural hearing loss |
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Definition
Sensory hearing loss results from damage to the inner ear I.E. exposed to loud noise Exposure to ototoxic medication Viral infections Autoimmune inner ear disease Sensory hearing loss is permanent |
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Term
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Definition
Mixed hearing loss is a loss of hearing sensitivity by bone conduction and a loss of sensitivity by air conduction I.E. a combination of viral infection & ear wax |
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Term
What is the space above the TM called? |
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Definition
Expiry panic recess or Tympanic attic |
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Term
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Definition
Is roughly oval shaped 2cm in volume |
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Term
How many layers are in the tympanic membrane? |
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Definition
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Term
What are the three layers of the tympanic membrane comprised of? |
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Definition
Distal-later is epidermis (skin) Middle layer is fibrous layer Mucous membrane layer |
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Term
How is the Eustachian tube angled in adults and children? |
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Definition
Adults 30 degree anterior angle Children has a horizontal angle |
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Term
What is the resting position of the Eustachian tube? |
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Definition
Closed •it is closed by a spring mechanism in the cartilage |
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Term
What are opening actions of the Eustachian tube |
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Definition
Yawning Sneezing Swallowing Whenever higher pressure is applied from the nose |
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Term
The eustachian tube and the ME space for the what? |
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Definition
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Term
The ME is lined with what? |
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Definition
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Term
Est on how many people In the US have a hearing impairment? |
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Definition
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Term
What does AAA stand for in audiology? |
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Definition
American Academy of Audiology |
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Term
What is the first part of the ear canal ? |
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Definition
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Term
What is the second portion of the ear canal |
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Definition
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Term
What portion of the ear canal is cerumem |
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Definition
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Term
How many DB does your pinna add |
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Definition
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Term
How is wax removed from the ear canal? |
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Definition
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Term
Most Experts agree the _____ muscle is activated in the Acoustic reflex |
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Definition
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Term
What's can be done if an infection occurs in the inner ear and affects the mastoid process? |
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Definition
They can scrape the bone Called a mastoidectomy |
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Term
The fluid that surrounds the membranous labyrinth? |
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Definition
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Term
What does the basilar's membrane separate ? |
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Definition
Scalia tympani from the scalia media |
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Term
What does the reissner's membrane separate? |
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Definition
Scala vestibuli from the scala media |
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Term
What sounds are represented by the base of the cochlea? |
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Definition
High frequencies at the base |
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Term
Low frequencies are represented at the ______ of the cochlea ? |
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Definition
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Term
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Definition
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Term
The central core or the cochlea is the_____? |
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Definition
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Term
Out of the scala vestibuli, media, tympani which contains the perilymph |
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Definition
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Term
What is the small passage way at the apex where the scala vestibuli and the scala tympani connect |
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Definition
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Term
What is the tallest stereocilia called? |
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Definition
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Term
The direction of the cilia determines whether or not the nerve is ________ or _______. |
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Definition
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Term
In the otolith organs the utricle is in a ______ plane and the saccule is in the ______ plane |
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Definition
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Term
What does the Acronym C.O.W.S Stand for? |
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Definition
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Term
What are the three ossicle bones? |
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Definition
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Term
What is the smallest bone in the body? |
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Definition
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Term
The malleus is connected to the eardrum at the _____? |
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Definition
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Term
The lncus provides connection to the staples at the _______ process? |
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Definition
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Term
The footplate of the stapes sits where? |
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Definition
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Term
What force acts against the transfer of mechanical energy? |
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Definition
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Term
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Definition
Any force that acts in opposition to the motion of an object I.E. Gravity, Friction, Mass |
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Term
How much does the malleus and incus weight? |
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Definition
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Term
How much does the stapes weight? |
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Definition
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Term
A loud sound in one will cause what? |
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Definition
Both stapedius muscles to contract . |
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