Moderately severe hearing loss:: (A) 30-40 dB, (B) 41-60 dB, (C) 56-70 dB, (D) 71-90 dB
Answer is C. Ans. (c) 56-70 dBRef. Dhingra's ENT 6th ed./38 WHO classification for hearing loss:0-25 dBNormal hearing26-40 dBMild hearing loss41-55 dBModerate hearing loss56-70 dBModerately severe hearing loss71-90 dBSevere hearing loss> 90 dBProfound hearing loss