CAOHC Exam Questions with All Correct Answers

CAOHC Exam Questions with All Correct Answers What is the mission of CAOHC? - Answer--promote best practices in hearing conservation worldwide and promote HL prevention thru training, guidance and support What are the professional disciplines represented on CAOHC? - Answer-OHC's, CD's, PS's Who are the people that work w OHC? - Answer--occupational health nurse, audiologist, noise control engineer, physician, safety and health specialist, company management What are the elements of an effective hearing conservation program? - Answer--noise monitoring, noise control, employee training, audiometric testing, hearing protection and recordkeeping What does the outer ear do? - Answer-collects/ funnels sound What does the middle ear do? - Answer-Convert sound waves to mechanical energy What does the outer ear do? - Answer-Converts mechanical energy to electrical energy What are 2 causes of conductive HL? - Answer--otosclerosis (stapes cannot move), eustachian tube dysfunction What are three causes of sensorineural HL? - Answer--presbycusis, noise exposure, chemicals What frequencies are affected by noise exposure? - Answer-High Whats the configuration of NIHL? - Answer-noise notch at 4K