Audiology Health Technician Exam With Complete Solutions

Audiology Health Technician Exam With Complete Solutions What is the acronym for CAOHC? - answerCouncil for Accreditation in Occupational Hearing Conservation What is the primary purpose of CAOHC? - answerIt is to implement resources and guidance to facilitate the practice of hearing loss prevention through standardized training and credentialing of OHCs. CAOHC council is comprised of ____ professional organizations. - answer9 professional organizations CAOHC provides training for - answerOHCs, CDs, and PSs CAOHC Certification period is for ____years. - answer5 years Hazardous noise exposure can result in both _____ and ______ effects on the individual. - answerphysiological and psychological High blood pressure and increased stress and fatigue would be examples of a (n) ___ effect of hearing loss. - answernon-auditory Ringing or buzzing in the ears (tinnitus) and difficulty understanding speech would be examples of a (n) effect of hearing loss. - answerauditory Noise induced hearing loss (NIHL) tends to show a notch at ______Hz. This is considered a _______ pitch sound. - answer4000Hz High The clarity or understanding of speech is dependent on good hearing in the ________ frequency range. - answerhigh Damage to hearing is a function of both ______ and _______ of the sound. - answerduration intensity A temporary reduction in hearing that may recover is called a _____ ______ ______. - answertemporary threshold shift A permanent worsening of hearing is called ____ _____ _____. - answerpermanent threshold shift. NIHL is a common occupational illness and the highest percentage of workers exposed is in ____________________. - answermanufacturing The three major parts of the ear are the ______,_______ and _______ear. - answerouter, middle and inner ear The three types of hearing loss are ________. _________. and ________. - answerconductive, sensorineural, and mixed A __________ hearing loss can be treated and occurs in the outer or middle ear. - answerconductive Damage to the inner ear or the auditory nerve is a __________ hearing loss and is generally irreversible. - answersensorineural When there is a problem in either the outer/middle ear, and the inner ear, this is known as a ____________ hearing loss. - answermixed The outer ear is comprised of the ________ or _________ which helps to localize sound, and the ________________ where wax (cerumen) is produced. - answerpinna or auricle, external auditory canal An ear infection in the outer ear is referred to as ________ ________ and may cause a _____________ hearing loss. - answerotitis externa conductive Important landmarks to look for when viewing the eardrum are the _________ and the ______________. - answerhead of the malleus cone of light The three ossicles, in order from that attached to the eardrum to the one that enters the oval window, are the ________, the ______________, and the _________________. - answermalleus (hammer), incus (anvil) stapes (stirrup) The ________ _________ ventilates the middle ear space. - answerEustachian tube The ________window is located at the footplate of the stapes and when vibrated sets the cochlear fluid into motion and the __________window functions as a pressure relief port for the fluid. - answerOval Round The _______________ system, which is part of the inner ear, controls spatial orientation and balance. - answervestibular Cochlear______ ________ stimulated by a shearing action send an electrical impulse to the brain. - answerhair cells The most common inner ear problem seen in our military and veteran population is ____________________ hearing loss. - answernoise-induced (sensori