Block 5

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1.
1 point
____ can be treated, whereas ___ usually is permanent damage.
2.
1 point
The five types of hearing loss are: conductive, sensorinearual, mixed, ___, and ___.
3.
1 point
A permanent threshold shift _____.
4.
1 point
____ is a subjective measurement of a person's perception of sound.
5.
1 point
Your daily functional check includes clean, untangle, ___, earphones, frequency, ___, ____, and static.
6.
1 point
A biologic calibration check should be completed ___.
7.
1 point
Which type of hearing loss may cause a person to speak with a louder-than-normal voice?
8.
1 point
By ____ the distance from a sound source the intensity of the exposure will decrease by ___ dB.
9.
1 point
Which type of testing booth has 3"-4" thick walls and is prefabricated?
10.
1 point
Which part of the ear regulates balance?
11.
1 point
Using the Standard Rule, after a positive response, decrease the intensity by ___ dB steps and increase by ___ dB steps after a negative response.
12.
1 point
How many decibels is hazardous continuous noise an example of?
13.
1 point
Which type of configuration are not caused by noise and are typically conductive in nature?
14.
1 point
____ is the study of the measurement and control of sound.
15.
1 point
When barriers are used, ___ frequency sound are attenuated more than ___ frequencies.
16.
1 point
A follow-up audiogram must be completed within __ days of __ test.
17.
1 point
Who compares annual hearing test results to baseline tests and what are they looking for?
18.
1 point
____ is used by the audiologist to prevent crossover.
19.
1 point
DOEHRS-HC is a database applicatoin used to manage the HCP within the ____.
20.
1 point
A sound's ____ is critical when determining its potential to damage hearing.
21.
1 point
Hearing Protection Fitting is a ____ and hearing testing is a ___ if there is more than 25% cereum blocking the tympanic membrane, but it is still visible.
22.
1 point
Hearing protection attenuation is measured in __ laboratory with a ___ procedure.
23.
1 point
Which type of non-standard device is called "musician earplugs" because they reduce intensity without disturbing sound?
24.
1 point
The AF Hearing Conservation Program is designed to protect all noise exposed personnel on base, including: AD, Guard, Reserve, Air Crew, contract employees is specified in contract, seasonal and temporary workers...
25.
1 point
____ occurs when molecules of the medium separate from each other causing an area of low pressure.
26.
1 point
What are the obstacles to an effective program?
27.
1 point
___ is used to record the employee's "best" hearing.
28.
1 point
Parts within the outer ear:
29.
1 point
The speed at which sound waves travel depends on what?
30.
1 point
We use decibels to measure in which two ways?
31.
1 point
What type of earplugs are made from flexible vinyl or silicone and include one or more flanges?
32.
1 point
What parts of the ear are affected by conductive hearing loss?
33.
1 point
Good hearing for frequencies between ___ and ___ is most important for understanding conversatoinal speech.
34.
1 point
What is one of the MOST commonly encountered problems when testing hearing?
35.
1 point
The five elements of the AF HCP are hearing conservation education, audiometric monitoring, noise assessment...
36.
1 point
Who is responsible for providing refrsher training to workers annually on required topics and documenting training on AF Form 55?
37.
1 point
When a noise source is ____ the noise level will increase by ____ dB.
38.
1 point
Employees with hazardous noise exposure will nonly be expected to wear HPDs while on duty
39.
1 point
What are BEs HCP responsibilities?
40.
1 point
Surgeon General, Wing Commanders, ___, and ___ are responsible for developing policies and allocating resources to facilitate effective programs.
41.
1 point
If a patient has a negative STS on the annual audiogram you...
42.
1 point
The equipment required for a hearing exam is an audiometer, headphones, hand switch, and ___.
43.
1 point
Studies have shown background noise _____ effect on jobs with repetitive or monotonous movements.
44.
1 point
The ____ of a sound is determined by howmuch pressure is exerted on the source and is expressed in ____.
45.
1 point
The threshold search begins with a tone at ___ Hz.
46.
1 point
The decibel scale is ___.
47.
1 point
Using which type of audiometer do the OHCs stil need to review results and make decisions regarding disposition?
48.
1 point
One of the first auditory effects experienced by many workers is _____.
49.
1 point
____ audigrams document hearing thresholds numerically.