Free Set
Question
Which electrolyte mainly regulates muscle contraction?
Options
ACalcium Correct Answer
BSodium
CChloride
DBicarbonate
Correct Answer & Explanation
Option A: Calcium
Rationale
Calcium ions play a key role in muscle contraction and nerve transmission.
Start With Free Plan
Prepare for NORCET & Nursing Exams
Install the MDI Nursing App today and try out our Free Plan with live mock tests, PYQ modules, and topic-wise practice questions.