CAOHC Exam Questions With 100% Correct Answers 2024, Exams of Advanced Education

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CAOHC Exam Questions With 100%

Correct Answers 2024

Unprotecting noise exposure can cause the following types of hearing loss - Correct Answer-SENSORINEURAL The range of human speech IS - Correct Answer-250 HZ- 4000HZ What is the cause of conductive hearing loss - Correct Answer- Cerumen impaction the audiometer use for industrial hearing testing is - Correct Answer-Pure - tone air conduction Identify the correct starting settings on an audiometer for testing. - Correct Answer-0 db and 1000HZ When testing the correct procedure to follow is - Correct Answer-Down by 10 DB, up by 5DB

The subject responds to a tone at 25 DB HL to nextT DB HL setting is - Correct Answer-15 DB HL If the subject is given a false responses and likely guessing the best action is too - Correct Answer-Test them in automatic mode Problem audiograms must be repaired by - Correct Answer-an audiologist or physician Background noise levels in the testing department must be rechecked - Correct Answer-if the environment changes or to boot is moved biological calibration checks are required - Correct Answer- Daily prior testing When testing a subject with tinnitus is the best to - Correct Answer-use a pulse tone As part of the self listing check the following is evaluated - Correct Answer-Static /distortion

An exhaustive calibration check is required. - Correct Answer- Every two years the auidiometer must be acoustically calibrated. - Correct Answer-Annually The following information must be listed on the audiogram for OSHA testing - Correct Answer-Tester name -last audiometer calibration date -employee must resent noise exposure assessment. -all the above According to OSHA Autometric testing records more must be kept for - Correct Answer-Duration of employment In OSHA TBA TWA noise exposure can be found in the following - Correct Answer-OSHA noise standard The perception of loudness is measured using the - Correct Answer-Decibel

Employees sustaining a STS must wear hand protection with noise levels - Correct Answer-Meet or exceed 85 DB ATWA Regarding hearing protection employers must offer an according to OSHA - dod - Correct Answer-a variety A Earplugs fits properly if - Correct Answer-It is full inserted into the ear canal The following should be considerate when fitting hearing protection - Correct Answer-Material Activities that the OHC is qualified to perform. - Correct Answer-Audiometric testing otoscopic examination Anatomy of the ear - Correct Answer-Ear diagram The ear is divided into three parts - Correct Answer-outer, middle, inner

cerumen - Correct Answer-Produced by glands in the outer portion of the ear canals helped protect canals from foreign objects Three small bones in the middle ears are the - Correct Answer- malleus, incus, stapes the eustachian tube - Correct Answer-opens when we swallow Conducting hearing loss generally affects the - Correct Answer-Low frequencies Possible causes of conduction hearing loss - Correct Answer- Ear infection / wax impactation swimmers Ears The inner ear cochlea provides information about signals. - Correct Answer-Frequency and intensity

Loud noise can damage the - Correct Answer-Hair cells of the inner ear Nice related hearing loss first affect hearing threeholds around - Correct Answer-4000 hz or 3000- Noise can also cause a ringing or buzzing call - Correct Answer- Tinnitus