This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
High-frequency audiometry is used in 
Select and explain. 
A. Otosclerosis, B. Ototoxicity, C. Non-organic hearing loss, D. Meniere disease
B: Ototoxicity
Answer: B: Ototoxicity 
Explanation: High-frequency audiometry (>8000KHz) is used to detect sensorineural hearing loss due to ototoxicity. Other tests: OAE, Electrocochleography Audiometry graph of ototoxicity due to gentamicin Ref : Diseases of ENT by Dhingra 6th edition Pgno : 38