Caohc Exam Review Questions With 100% Verified Answers.get A Pass On Your First Trial.

Elements to an effective hearing program? - CORRECT ANSWERS️️hearing protection, record keeping, training, noise monitoring and control In addition to noise, ____ exposure can be caused by sensorineral hearing loss? - CORRECT ANSWERS️️Ototoxicant Intensity is measured in ____ - CORRECT ANSWERS️️decibels (dB) Frequency is measured in ___ - CORRECT ANSWERS️️Hz (Hertz) Functions of the outer ear - CORRECT ANSWERS️️collects sound waves and enhances high frequency sounds Functions of the middle - CORRECT ANSWERS️️transforms sound to mechanical energy The three bones in the ear that help with hearing are the ___, _____, and the ___ - CORRECT ANSWERS️️Incus, Malleus, and Stapes Human hearing range at birth - CORRECT ANSWERS️️20-20000 Hz What causes sensorineural hearing loss? - CORRECT ANSWERS️️ When hearing is only available in one ear and not the other is called ____ hearing loss - CORRECT ANSWERS️️Unilateral Type S (limited function) offers - CORRECT ANSWERS️️lower accuracy with limited function What is impulse/impact noise? - CORRECT ANSWERS️️ What part of the ear is shaped like a snail? - CORRECT ANSWERS️️The cochlea OSHA defines 100% noise dose as - CORRECT ANSWERS️️90dB(A) IF the retest does not confirm the STS, ____ are no longer mandatory if TWA is 85-89dB(A) - CORRECT ANSWERS️️hearing protective devices What is intermittent noise? - CORRECT ANSWERS️️ What is Continuous noise? - CORRECT ANSWERS️️ Adding a muffler to an engine is an example of _____ control - CORRECT ANSWERS️️engineering Sound level meters and dosimeters should be calibrated - CORRECT ANSWERS️️yearly What part of the ear does hearing loss affect? - CORRECT ANSWERS️️Inner ear (cochlea) ____ is caused by auditory nerve damage - CORRECT ANSWERS️️Tinnitus What is mixed hearing loss? - CORRECT ANSWERS️️combo of conductive and sensorineural