General Knowledge
What does NIHL stand for?
Noise Induced Hearing Loss
What measurement is used for sound?
Decibels (dB)
The duration of noise-induced hearing loss can be
temporary or permanent
One way to protect yourself is to look for ____ ratings on the items you choose to buy (i.e. hair dryers or power tools).
Noise
True or False. If a person is experiencing ringing in their ears or any other ear discomfort, they are okay to stay in the environment.
False. They should leave the noisy environment right away.
What type of hearing loss cannot be fixed by medication or surgery
Noise Induced Hearing Loss (NIHL)
You can listen to sounds at 70 dBA or lower for...
as long as you want.
Downtime
______________ hearing protection is the one that most people are familiar with. These ear products stop sound from getting through to the eardrum.
Passive
True or False. Once the hair cells in the ear are damaged, there is no way to "fix" these hair cells.
True
Noise Induced Hearing Loss can be accompanied by...
tinnitus
Sounds at 85 dBA can lead to hearing loss if you listen to them for more than...
8 hours at a time.
True or False. Noise Induced Hearing Loss (NIHL) can happen to anyone at any age.
_____ hearing protection typically uses electric components to amplify or suppress sounds in the immediate environment. They allow non-harmful sounds to be heard while blocking out harmful sounds.
Active
________ hearing protection is the kind that allows you to have a conversation, hear commands and the surrounding environment and exclude dangerous noises.
Active
Noise Induced Hearing Loss is most commonly diagnosed in...
both ears
The higher the ____ level, the louder the noise.
What is it called when you have a loud ringing, roaring, or buzzing in your ear due to NIHL?
Tinnitus
True or False. Passive hearing protection allows you to have a conversation, hear commands and the surrounding environment and exclude dangerous noises.
False. The correct answer is Active hearing protection.
Name two advantages and two disadvantages of wearing earmuffs.
Advantages:
More protection then earplugs, Fit most people, Less time to put on, Easy to monitor, Not easily lost, Can be worn with ear infections, Reusable and longer lasting
Disadvantages:
Less portable and heavier than earplugs, Requires a place for storage, Uncomfortable when the weather is hot, Hard to use with glasses
Noise Induced Hearing Loss: damage to the structures/nerve fibers in the ___ ear
inner
For personal listening devices, the World Health Organization (WHO) recommends a volume of no more than ___ for adults
80 dBA
Name 3 inabilities noise-induced hearing loss causes.
the inability to:
-hear high frequency sounds
-causes muffled speech
-a feeling of pressure in the ear
Name three ways to limit your exposure to loud sounds.
Lower the volume
Limit listening time
Move away from the noise
Use ear protection/noise cancelling headphones
List three different examples of types of earplugs.
Formable foam earplugs
Pre-molded silicone, wax, rubber or plastic earplugs
Canal cap earplugs
Custom molded earplugs