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CAOHC HEARING CONSERVATION CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER

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CAOHC HEARING CONSERVATION CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER CAOHC HEARING CONSERVATION CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER

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  • August 19, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CAOHC HEARING CONSERVATION
  • CAOHC HEARING CONSERVATION
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ACELEARNERS
CAOHC HEARING CONSERVATION
CERTIFICATION 2024-2025 QUESTIONS WITH
100% CORRECT ANSWER
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 -
CORRECT ANSWER 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 - CORRECT ANSWER C



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

b. Construction

c. Manufacturing

d. Military - CORRECT ANSWER C

,CAOHC HEARING CONSERVATION
CERTIFICATION 2024-2025 QUESTIONS WITH
100% CORRECT ANSWER

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

a. tinnitus

b. stress

c. depression

d. hypertension - CORRECT ANSWER A



Noise-induced hearing loss typically occurs initially at:

a. 1000 Hz

b. 3000 Hz

c. 4000 Hz

d. 8000 Hz - CORRECT ANSWER C



Early signs/symptoms of a noise-induced hearing loss include tinnitus, difficulty
understanding in background noise, and _________________.

a. vertigo/unsteadiness

b. need for visual cues

c. ear pain

d. ear discharge - CORRECT ANSWER B

,CAOHC HEARING CONSERVATION
CERTIFICATION 2024-2025 QUESTIONS WITH
100% CORRECT ANSWER

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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER A

, CAOHC HEARING CONSERVATION
CERTIFICATION 2024-2025 QUESTIONS WITH
100% CORRECT ANSWER

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 - CORRECT ANSWER A



Type of hearing loss that results from cerumen impaction:

a. Sensorineural

b. Mixed

c. Conductive

d. No hearing loss - CORRECT ANSWER C



Hearing loss due to aging:

a. Noise-induced

b. Presbycusis

c. Otosclerosis

d. Otitis Externa - CORRECT ANSWER B



Part of ear damaged by hazardous noise exposure:

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