Ototoxic drugs generally affect the hearing of what frequencies of sound: (A) 500-1000 Hz, (B) 2000-3000 Hz, (C) 3000-4000 Hz, (D) 4000-5000 Hz
Answer is D. Ototoxic drugs affect hearing at a range of 4000-6000kHz. Most common drugs include aminoglycoside such as Gentamycin (Ref: The EAR comprehensive ontology by Rinaldo and Paul.)