Aid Dispenser Written Exam Questions Well Answered Rated A+

conditioned orientation reflex (COR) {Ans: verifies localization of sound for children w/ visual reinforcement by head movement}advantage of testing the bone conduction threshold at the forehead {Ans: improve test reliability}bing test (tuning fork) {Ans: fork is struck and placed on the patient's mastoid tip. the examiner alternately occludes the patient's external meatus. if pt has normal hearing or a sensorineural loss, they'll notice a change in intensity with occlusion. If pt has a conductive hearing loss, he or she will notice no change.}common finding w/ conductive loss: high or low UCL? {Ans: high}how to mask for WR {Ans: mask when the presentation level in one ear - IA is greater than or equal to the srt of the other ear. the masking level in the NTE is the presentation level of the TE - 20db (or 30db if mask level is too loud to them)}cause of harmonic distortion {Ans: mechanical stress in hearing aid}false positive response in testing {Ans: patient response when no sound is presented}db loss of a perforation of TM {Ans: 10-15db loss}tympanosclerosis {Ans: white, chalky calcium deposits caused by degeneration of tissue on eardrum, thicking and scarring from