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JAMB Biology 1995 Question 30

Question 30

Nervous Coordination

Which of the following ions is involved in the conduction of the nerve impulse?

  1. A.Ca2+
  2. B.K+
  3. C.H+
  4. D.Mg2+.
Show the answer and explanation

Answer: B (K+)

Explanation

A nerve impulse depends on the movement of sodium and potassium (K+) ions across the nerve cell membrane.