This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Inner hair cells depolarise due to 
Select and explain. 
A. K+influx, B. Na influx, C. Kefflux, D. Voltage gated ca channels
A: K+influx
Answer: A: K+influx 
Explanation: K+ channals on stereocilia are linked by elastic filaments Displacement of cilia opens or closes potassium channals K+entry causes depolarization and causes voltage gated calcium channels to open Clacium triggers release of neurotransmitters Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:722,723,724