Tetany: Rapid spasms (wild contractions) in muscle due to low Ca++ in body fluid.
Adjacent to a frequently-asked paragraph in the same chapter.
Q10. Which disorder results in involuntary wild contractions due to calcium imbalance, affecting both muscular contraction and skeletal support?
Correct answer: B — Tetany
Tetany = spasms due to low Ca²⁺; affects skeletal muscles and joints indirectly by disturbing normal movement.
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