Q.

Regarding nerve action potential, which is TRUE?

A. normal resting membrane potential is -40mV
B. initial rapid depolarisation is due to rapid influx of Ca2+ via fast channels
C. during depolarisation, Na+ permeality is greater than K+ permeality
D. hyperpolarisation is due to continuous opening of Na+ channels
E. plateau is formed by slow Ca2+ channels
Answer» C. during depolarisation, Na+ permeality is greater than K+ permeality
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