A) Influx of K+
B) Efflux of Na+
C) Influx of Na+
D) Efflux of K+
Correct Answer: C
Solution :
An elect state in an excitable cell whereby the inside of the cell is made less negative relative to the outside than at the resting membrane potential is known as depolarization. A neuron membrane is depolarised if a stimulus decreases its voltage from the resting potential of- 70 mV in the direction of zero voltage. In the given diagram, A represents depolarisation or Influx of Na+.
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