<prompt> Subjective test of hearing isPure tone audiometryOtoacoustic emissionBERAImpedance audiometry  <response>: Uses of Pure Tone Audiogram a It is a measure of threshold of hearing by air and bone conduction and thus the degree and type of hearing loss. b A record can be kept for future reference. c Audiogram is essential for prescription of hearing aid. d Helps to find degree of handicap for medicolegal purposes. e Helps to predict speech reception threshold. Ref : Dhingra 7e pg 25. 