Nodes of Ranvier is the axonal area where lacks the insulation of myelin sheets of (i) _______________. The structure contributes to efficient propagation of axon potential due to the localization of highly concentrated (ii) _______________.
a) (i) oligodendrocyte or Schwann cell, (ii) K+ channel
b) (i) astrocyte (ii) voltage gated Na+ channel
c) (i) astrocyte (ii) K+ channel
d) (i) oligodendrocyte or Schwann cell, (ii) voltage gated Na+ channel
Answer: d) (i) oligodendrocyte or Schwann cell, (ii) voltage gated Na+ channel
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