Goshorn Industrial Final |74 Questions| With Correct Answers.

If the air molecules themselves do not move very far, what is it that does travel, sometimes long distances? {Ans: The energy created by the sound pressure wave.}What is the purpose of the octave band filter set? {Ans: To measure sound levels at particular frequencies}What are the three main purposes of noise measurement in the occupational setting? {Ans: Identify overexposed workers; asses noise problems; measure background levels in the audiometer rooms}Why is it important that the audiometric test room be sufficiently quiet? {Ans: To prevent masking or falsely elevated thresholds at 500 and 1000 Hz, and to prevent the employee from becoming distracted.}Why is it important for the OHC to identify a one-sided hearing loss and refer the individual to an ear specialist if he or she has not already received an examination for this condition? {Ans: These results could be indicative of an acoustic neuroma}Name at least 3 agents besides noise that are toxic to the ear, especially when combined with noise exposure. {Ans: Heavy metals (lead, trimethyltin) Organic solvents (toulene, xylene) Asphyxiants (CO)}