Which of the following statements is/are correct?
$(a)$ The electrical potential difference across the resting plasma membrane is called the resting potential.
$(b)$ $Na^+$ ions are responsible for the generation of an action potential.
$(c)$ $A$ nerve impulse is an action potential.

  • A
    $(a)$ and $(b)$
  • B
    $(b)$ and $(c)$
  • C
    $(a)$ and $(c)$
  • D
    All of the above

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