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Everyday Science Medium NTS Uploaded: 01 Sep 2026

Which of the following elements is required for the proper functioning of the nervous system?

  • A All of the above
  • B Sodium
  • C Calcium
  • D Potassium
Correct Answer: Option A — All of the above
Explanation:
Sodium, calcium, and potassium ions are all essential for generating and transmitting nerve impulses throughout the nervous system.
Submitted by: PaperMCQs
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