in a neuron the concentration of intracellular potassium and extracellular sodium is in a ratio of
a)40:1  b)1:1   c)3:1  d)30:1

Dear Student,
The potassium concentration ratio of intracellular potassium to extracellular  sodium is 1:1. (140mEg/L). Hence the correct option is option B. 
Regards. 

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