CAOHC Hearing Conservation Certification Key Points Questions Answered Correctly – Expert Verified | Latest Version 2024/2025

A calibration performed by specialists with specialized equipment every 2 years, or when a repair is done is called a(n) ____________ calibration. a. acoustical b. exhaustive c. biological d. comprehensive - B . Advantages of a microprocessor audiometer are less examiner errors, requires little skill, and ___________________. a. best for difficult-to-test patients b. can test multiple patients c. greater examiner control d. less data to enter - B . An example of a(an)________________ noise would be gunfire; an example of a(an) _____________ noise would be a staple gun. a. impulse; intermittent b. impact; impulse c. intermittent; impulse d. impulse; impact - B . An OSHA-recordable STS must be determined to be work related, have an average 10 dB shift at 2000, 3000, and 4000 Hz in either or both ears, and also a ___________________________. a. 25 dB or worse average hearing level on current audio at 2000, 3000 and 4000 Hz in either ear. b. 25 dB or worse average hearing level on current audio at 2000, 3000 and 4000 Hz in the same ear. c. 25 dB or worse hearing level on current audio at any frequency from Hz in either or both ears