Hearing Conservation Certification Already Passed

What is frequency? What is its unit of measurement? Psychological correlate to? {Ans: Number of cycles per second• Unit of measurement = Hertz or Hz • Psychological correlate = PITCH• High frequency sounds - more CPS • Low frequency sounds - fewer CPS}OSHA Action Levell- what triggers employee enrollment in hearing conservation? {Ans: 85 dBA TWA Average (unprotected) Exposure 85 dBA over an 8- hour period (TWA) Triggers employee enrollment in hearing conservation program • Annual training • Annual audiometric monitoring • Availability of Hearing Protective Devices • Mandatory if no baseline on file (mobile test exemption) OR has suffered a STS}Sound delivered to a significantly poorer ear that is heard by the better ear is a phenomenon called _________________. a. cross talk b. crossover c. bone conduction d. cross contamination {Ans: B}Every hearing conservation program must have a "Professional Supervisor" of the audiometric monitoring component of the program! {Ans: }At what level of hz does hearing loss usually happen at? {Ans: 4000hz}A hearing loss caused by workplace noise exposure will most typically show an audiogram with this configuration: a. Unilateral audiogram b. Symmetrical notched audiogram c. Asymmetrical notched audiogram d. Downward sloping audiogram