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CAOHC Study Guide Latest Update 2024 Already Passed!! NIHL (Noise Induced Hearing Loss) - ANSWER 22 - 28 million US workers exposed to harmful levels of noise. Manufacturing accounts for most . Noise exposure - ANSWER major cause of tinnitus. Tinnitus - ANSWER is usually a high pitched sound that person hears, others usually cannot hear. Major warning sign of NIHL. What are the auditory effects of noise (NIHL)? - ANSWER - hearing loss, high freq, usually bilateral, 1st seen at 3kHz-6kHz ...

CAOHC EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE| GUARANTEED PASS|ALREADY GRADED A+|LATEST UPDATE 2024/2025.

CAOHC Certification Exam Questions with 100% Correct Answers 2024/2025 Latest Update What are the two types of audiometers? - Answer-1. Microprocessor (Computer controlled or automated) 2. Manual Are earphones and audiometers interchangeable? - Answer-No What are some advantages of microprocessor audiometers? - Answer-1. Database software 2. Built-in calibration procedures 3. May perform multiple hearing test at the same time 4. Reduced human error What are some disadvantages ...

CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025 (GRADED) Unit of measurement for frequency (pitch) - answersHertz (Hz) Unit of measurement for intensity (loudness) - answers-Decibel (dB) Risk of damage from noise - answers-How loud (intensity) and how long (duration) Steady-state or continuous noise, e.g. generator - answers-Lasts 1 second or longer Impulse or Impact noise, e.g. gunfire or nail gun - answers-Lasts less than one second Parts of the outer ...

CAOHC Exam Prep | 155 Questions and Answers 100% Verified by Expert | Latest Updated 2024

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hertz is a unit of: Correct Answer-sound frequency decibel is a unit of: Correct Answer-sound intensity the frequency of sound is perceived as: Correct Answer-pitch what is the first thing you should do when fitting earplugs? Correct Answer-a. pull the top of the ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal hearing tests do not have to be conducted in a...

CAOHC Certification Exam With 100% Verified Solutions

CAOHC Exam Questions And Answers. Updated And Verified. Unprotected exposure to hazardous noise causes: - AnswerTemporary and/or permanent hearing loss Temporary and/or permanent tinnitus (ringing, buzzing in ears) Occupational noise sources - AnswerAgriculture, mining, railroads • Manufacturing - largest hazardous noise-exposed population • Machinery, weapons, vehicles, tools, equipment Noise-Induced Illness: - Answerhearing loss and tinnitus Occurs gradually, over time, from repea...