CAOHC Occupational Hearing Conservationist Certification Exam

Access More Questions

According to OSHA regulations (29 CFR 1910.95), a Standard Threshold Shift (STS) is defined as a change in hearing threshold, relative to the baseline audiogram, of an average of:

15 dB or more at 2000, 3000, and 4000 Hz in either ear. 10 dB or more at 1000, 2000, and 3000 Hz in either ear. 10 dB or more at 2000, 3000, and 4000 Hz in either ear. 15 dB or more at 500, 1000, and 2000 Hz in both ears.

Correct Answer:

10 dB or more at 2000, 3000, and 4000 Hz in either ear.

Access more questions from this quiz

Continue to CAOHC Occupational Hearing Conservationist Certification Exam for more practice questions and the full quiz experience.

Access More Questions