High-frequency audiometry used in: (A) Minieres disease, (B) Otosclerosis, (C) Drug induced ototoxicity, (D) Sensorineural Hearing loss
Answer is C. As ototoxicity appears to be most pronounced in the higher frequencies, it can be assessed at an earlier stage by using high-frequency audiometry from 8 to 20 kHz. Ototoxic drugs: Ref : Diseases of ENT by Dhingra 6th edition Pgno: 34