Nervous system is affected by the shortage of?

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Nervous system is affected by the shortage of? Answer: Sodium

Sodium is a key electrolyte in the body and a critical factor in nerve transmission. Shortage of sodium (hyponatremia) can lead to serious neurological problems, including confusion, muscle weakness, seizures, and potentially coma or permanent brain damage due to brain swelling.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.