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sounds above ___ dB is considered harmful
85
What is an audiologist job? What do they do?
An audiologist will administer an auditory test to decide on severity of hearing loss.
What are the 3 fundamental structures of the ear?
1. external ear 2. middle ear 3. inner ear
What does the middle ear consist of?
Ossicular Chain( Incus, Malleus, Stapes), Eustachian Tube, Tympanic membrane (eardrum)
what dose the eustachian tube do?
Makes sure to balance pressure in the middle ear by draining fluids.
True or false: noise induce hearing loss can only developed over an extending eriod of time
False
What are some treatment options?
cochlear implants or hearing aids
What is the function of the pinna and ear canal
Pinna= Grabs sound waves and directs them towards the ear canal. Ear canal=Amplifies the sound and directs sound waves towards the eardrum
where/ when should we protect our ears? name at least 3 examples
concerts, mowing the lawn, NASCAR races, shooting a gun, in a car, wearing headphones
True/ false: Children can loss their hearing quicker than adults.
False
summary of how hearing works
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Is there a cure for noise induced hearing loss?
No
What 3 bones make up the ossicular chain?
incus, malleus, stapes
What were the 3 diffrent protective gear talked about today and what function do they all share?
ear plugs, ear muffs, canal caps, and their function= reduce sound
Signs and symptoms of noise induced hearing loss?
muffled sounds, can't hear whispers, increased tv/ music volumes
