This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
Membrane potential of hair cell is 
Select and explain. 
A. -20mV, B. -40mV, C. -60mV, D. -80mV
C: -60mV
Answer: C: -60mV 
Explanation: The resting membrane potential of the hair cell is about -60mV. When the stereocilia are pushed toward the kinocilium, the membrane potential is decreased to about -50mV.Ref: Ganong&;s Review of medical physiology;25th edition; pg: 204