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CAOHC TEST QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025, EXAMS OF HEALTH SCIENCES

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  • CAOHC CERTIFICATION
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  • CAOHC CERTIFICATION

CAOHC TEST QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025, EXAMS OF HEALTH SCIENCES

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  • August 23, 2024
  • 70
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • caohc
  • CAOHC CERTIFICATION
  • CAOHC CERTIFICATION
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CAOHC TEST QUESTIONS WITH
COMPLETE 100% VERIFIED SOLUTIONS
2024/2025, EXAMS OF HEALTH SCIENCES
What does CAOHC stand for? Correct Answer Council for
Accreditation in Occupational Hearing Conservation

Who is the certification body for? Correct Answer Occupational
Hearing Conservationist (OHCs)

Course Directors (CDs)

Professional Supervisors (PSs)

What is CAOHCs mission? Correct Answer To promote hearing
loss prevention by enhancing the quality of occupational hearing
loss prevention practices, with a focus on:

Providing OHCs: resources and guidance to facilitate the practice
of hearing loss prevention through standardized training and
credentialing

Providing CDs: training resources, curriculum oversight, and
professional support to assist in ensuring the competence of
OHC's

What does CAOHC do? Correct Answer Promote BEST
PRACTICES in occupational hearing conservation

What is a CAOHC certified student? Correct Answer Certified
occupational hearing conservationist (COHC)

How long does a COHC certification last? Correct Answer 5
years

,What are the two effects of noise? Correct Answer Auditory

Non-auditory

Defined auditory Correct Answer Direct effects to the ear

What are some examples of auditory effects? Correct Answer 1.
Noise induced hearing loss (NIHL)

2. Tinnitus (ringing in the ear)

3. Hyperacusis (high sensitivity to noise; lower tolerance for loud
sounds)

4. Communication interference

Define non-auditory Correct Answer Other physiological and
psychological effects

What are some examples of non-auditory effects? Correct Answer
1. Hypertension

2. Cognitive decline

3. Stress

4. Isolation, Social withdrawal, frustration

5. Sleep disturbances

6. Degraded work performance

,What are some early signs of noise induced hearing loss? Correct
Answer 1. Difficulty understanding conversations (particularly in
background noise)

2. Ringing or buzzing in the ears (tinnitus)

What are some characteristics of noise induced hearing loss?
Correct Answer 1. Usually bilateral, always sensorineural

2. Typically affects high frequencies first; audiometric "notch" at
4000Hz

3. Primary determiners of damage are duration and intensity of
sound

4. Temporary hearing threshold shifts (TTS) become permanent
threshold shifts (PTS)

Name two sources of hazardous noise Correct Answer 1.
Occupational noise exposure

2. Non-occupational noise exposure

What is the most common occupational illness and second most
self reported occupational illness for American workers? Correct
Answer Noise induced hearing loss (NIHL)

What occupation has the highest percentage of noise induced
hearing loss? Correct Answer Manufacturing

Approximately how many people are exposed to hazardous noise
in the workplace? Correct Answer 30 million people

What occupation has the highest prevalence of exposure to
noise? Correct Answer Mining

, What are the two parts of the outer ear? Correct Answer 1.
Auricle (pinna)

2. External auditory meatus (Ear canal)

What are the names of the three bones in the middle ear? Correct
Answer 1. Malleus (hammer)

2. Incus (anvil)

3. Stapes (stirrup)

What are the smallest bones in the human body? Correct Answer
Ossicles

What are the two primary structures in the inner ear? Correct
Answer 1. Cochlea (hearing)

2. Vestibular System (balance)

What is the vestibular system attached to? Correct Answer The
ear

What are the three types of hearing loss? Correct Answer 1.
Conductive

2. Sensorineural

3. Mixed

Where does conductive hearing loss occur? Correct Answer The
outer or middle ear

Is conductive hearing loss treatable? Correct Answer Yes

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