This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Aminoglycoside class of drugs causes hearing loss by damaging? 
Select and explain. 
A. Inner hair cells of basal turn, B. Outer hair cells of basal turn, C. Inner hair cells of apical turn, D. Outer hair cells of apical turn
B: Outer hair cells of basal turn
Answer: B: Outer hair cells of basal turn 
Explanation: Ans. is 'b' i.e., Outer hair cells of basal turn o Aminoglycosides affect exclusively outer hair cells, paicularly of basal coil of cochlea.