Quiz-Tree
Question 1
Which of these sounds is loud enough to damage hearing instantly?
Sounds of about 140 decibels and above, like a gunshot or a firecracker at close range, can harm the ear in a single moment.
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Answer question 1 to unlock
For single-sided deafness, a CROS hearing aid ___.
CROS stands for Contralateral Routing of Signal. A microphone on the deaf side sends sound wirelessly to the hearing ear, so the person can hear sounds coming from both sides.
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Answer question 2 to unlock
If you have to raise your voice to be heard by someone an arm's length away, the noise around you is probably ___.
This is a handy rule of thumb. If you have to shout at arm's length, the sound level is likely above 85 decibels, so it is time for ear protection or a break.
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Answer question 3 to unlock
A small device that makes sounds louder for a person with hearing loss is called ___.
Hearing aids sit in or behind the ear and amplify sound. Modern ones can adjust automatically to quiet rooms and noisy places.
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Answer question 4 to unlock
Which is the best way to protect your hearing at a loud concert?
Earplugs made for hearing protection lower the volume while still letting you hear the music. Cotton balls block very little sound.
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Answer question 5 to unlock
Noise-induced hearing loss can be caused by ___.
Both matter. One very loud blast, such as a firecracker close by, can cause damage right away, and so can years of exposure to noise that seems only moderately loud.
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Answer question 6 to unlock
Which habit helps protect your hearing when you use headphones?
A lower volume and regular breaks both cut down how much loud sound your ears take in over time.
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Answer question 7 to unlock
Using cotton swabs inside the ear canal ___.
Ears clean themselves, since earwax slowly moves outward on its own. Swabs can push wax deeper and even injure the eardrum, so it is best to wipe only the outer ear.
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Answer question 8 to unlock
Normal conversation is about ___ decibels.
Everyday speech is around 60 decibels. A whisper is about 30 decibels.
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Answer question 9 to unlock
A ringing or buzzing in the ears with no outside source is called ___.
Tinnitus is a ringing, buzzing, or hissing sound that only the listener can hear. If it lasts, see a doctor or an audiologist.
correct answers
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