CAOHC Exam Prep practice test Questions and Answers 202

CAOHC Exam Prep practice test Questions and Answers 2024 hertz is a unit of: - CORRECT ANSWER-sound frequency decibel is a unit of: - CORRECT ANSWER-sound intensity the frequency of sound is perceived as: - CORRECT ANSWER-pitch what is the first thing you should do when fitting earplugs? - CORRECT ANSWER-a. pull the top of the ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal hearing tests do not have to be conducted in a sound booth as long as maximum allowable ambient noise levels aren't exceeded: - CORRECT ANSWER-true what type of hearing loss can be attributed to noise? - CORRECT ANSWERsensorineural what is the frequency range of speech sounds? - CORRECT ANSWER-250-4000 Hz OSHA requires exhaustive calibration if there is a deviation of greater than or equal to 15 dB: - CORRECT ANSWER-true the range of normal hearing is: - CORRECT ANSWER-0-25 dB intermittent noise is noise that: - CORRECT ANSWER-a. does not end b. FLUCTUATES IN SOUND LEVEL WITH PERIODIC INTERRUPTIONS OF RELATIVE QUIET c. rises continuously d. has been abated through the implementation of engineering controls e. none of the above functional hearing loss is also known as pseudohypacusis: - CORRECT ANSWER-true conventional earplugs typically reduce high frequency noise more than low-frequency noise: - CORRECT ANSWER-true OSHA allows retests to be substituted for original tests if done within how many days of the original test? - CORRECT ANSWER-30 days