Hearing conservation certification Questions and Correct Answers the Latest Update and Recommended Version

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Hearing conservation certification
Questions and Correct Answers the Latest
Update and Recommended Version
CAOHC's primary objective is to:

a. Promote hearing loss prevention by enhancing the quality of occupational hearing

conservation practices

b. Provide input to legislative action regarding occupational hearing program implementation

c. Train council members in occupational hearing program implementation

d. Train audiologists in occupational hearing program implementation

✓ A



A COHC is NOT able to train other OHCs to do manual testing, to be a Professional

Supervisor, or ____________________.

a. select, fit, and instruct on hearing protection devices

b. perform automated air conduction pure tone testing

c. diagnose hearing problems or interpret audiograms

d. counsel individuals about their hearing test results

✓ C



The sector with the highest incidence of occupational hearing loss: a. Transportation

b. Construction


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c. Manufacturing

d. Military

✓ C



Auditory effects of noise exposure include noise-induced hearing loss, hyperacusis, and

_____________.

a. tinnitus

b. stress

c. depression

d. hypertension

✓ A



Noise-induced hearing loss typically occurs initially at:

a. 1000 Hz

b. 3000 Hz

c. 4000 Hz

d. 8000 Hz

✓ C



Early signs/symptoms of a noise-induced hearing loss include tinnitus, difficulty understanding

in background noise, and _________________.



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a. vertigo/unsteadiness

b. need for visual cues

c. ear pain

d. ear discharge

✓ B



7. Typical characteristics of a noise-induced hearing loss include a notch at 4000 Hz, variable

susceptibility among individuals, and

_________________________.

a. bilateral and symmetrical

b. bilateral and asymmetrical

c. Unilateral

d. Loss not greater than 50 dBHL

✓ A



The 3 tiny bones in the middle ear collectively form the _________________. a. eustachian

tube

b. tympanic cavity

c. ossicular chain

d. organ of corti




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✓ C



The bones of the middle ear (in order from eardrum to oval window) are the:

a. Maxilla, incus, stapes

b. Malleus, incus, stapes

c. Stapes, incus, malleus

d. Stapes, incus, maxilla

✓ A



The primary function of the outer ear is to:

a. Collect sound waves and channel them down the ear canal

b. Transmit electrical impulses to the brain

c. Equalize pressure in the tympanic cavity

d. Transform sound waves into vibrations

✓ A



Type of hearing loss that results from cerumen impaction:

a. Sensorineural

b. Mixed

c. Conductive

d. No hearing loss

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