QuestionReportQuestion: Nerve impulse initiates with the movements of...Nerve impulse initiates with the movements ofAK+K ^ { + }K+BMg+\mathrm { Mg } ^ { + }Mg+CCa+\mathrm { Ca } ^ { + }Ca+DNa+\mathrm { Na } ^ { + }Na+AnswerNa+\mathrm { Na } ^ { + }Na+