Quiz Answer Key and Fun Facts
1. Let's take a hearing test. I don a pair of headphones and the computer plays various pitches of sound while I push a button to indicate when I hear something. The resulting graph shows that I hear sounds around 3000 Hz very well, but experience a significant drop in sensitivity below 100 Hz and above 10 kHz. Above 15 kHz, I hear almost nothing. What would be the most likely diagnosis (for a male in his 40s)?
2. At the extreme scale of hearing deficits is deafness. What is the amount of hearing loss that needs to be present for a person to actually be diagnosed as deaf? (Note: This question refers to the medical definition for anacusis, not the "legally deaf" definition that may vary between jurisdictions)
3. Oh dear! You've stood too close to an exploding firecracker and now pretty much all you hear is a loud, high-pitched, tone which does not seem to go away regardless of what you do. Thankfully, it's only in one ear, the one that was closer to the firecracker. What do you call this condition?
4. Everything was great yesterday - you had a blast of a day in the local water park - but since waking up this morning, you feel a stinging pain in your left ear (with no other pain) and your hearing on that side is severely diminished, particularly with regard to middle and higher frequencies. What would be the most likely reason for this? (Note that you felt and heard well yesterday evening!)
5. Disaster has struck - you had to take an urgent flight while having a bad cold and sudden one-sided ear pain and hearing loss set in during the climb. A doctor on the plane was able to check on you and detected a ruptured eardrum. Which of the following would you have to expect now?
6. The cocktail party effect is a special type or symptom of hearing loss that makes it particularly difficult to pick out and listen to a single voice in a noisy environment.
7. Apart from the cosmetic difference and the difficulty wearing eyeglasses, which aspect of hearing would most suffer if you were to lose both of your auricles (the visible parts of the ear) due to an injury? Assume the auditory canal, middle and inner ear are all unaffected.
8. Some sounds can just be painful even if they're not overly loud, although what's painful to one person can be harmless to another. For some people, however, this isn't limited to the rare shriek or squeal, but happens with everyday sounds - even a soft sound or musical note of a specific frequency can be painful. What is the name of this condition?
9. You might be one of the people who experience sound and music not only as simply an acoustic phenomenon but also a visual one. This can range from subtle perception of colors when hearing specific notes to seeing vivid fireworks-like displays. What is this condition (or ability) called in general terms?
10. Some infections can put your hearing at risk. Which of these viral diseases is not associated with a significant risk of hearing loss?
Source: Author WesleyCrusher
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