Slhs 4801 Exam 1 Questions With Answers All Correct

Thresholds are better for ___ than for ___ because? {Ans: Better for MAF than for MAP because you are able to use both ears in sound field.}The human ear is least sensitive to what frequencies? {Ans: very low & very high}What is an electrical physiological response? {Ans: Electrical activity from responses of the auditory nerve or neural structures of the auditory pathway. immittance - measures the function of middle ear}Profound hearing loss speech perception? {Ans: usually cannot understand amplified speech}what are the axis of the threshold curve of hearing/SPL-O gram? {Ans: x- axis = frequency y-axis = SPL from high on top to low on bottom}Minimal Audible Field (MAF) {Ans: lowest level of sound heard when stimuli are presented through speakers}Normal range of hearing {Ans: < or equal to 25 dB HL}Why do we use pure tones? {Ans: they stimulate a very discrete are of the basilar membrane of the cochlea and this allows us to determine what portion of the auditory system may be damaged with regard to discrete frequency regions.}What percent of the global population has a hearing loss? {Ans: 5% ~ 360 million}At 2000 Hz us TDH 49/50