Which of the following is a sign of hypocalcemia?

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Multiple Choice

Which of the following is a sign of hypocalcemia?

Explanation:
Low calcium levels increase the excitability of nerve and muscle membranes because calcium normally helps stabilize these cells; when calcium is low, nerves fire more easily, leading to symptoms like tingling, cramps, and in severe cases seizures. Convulsions reflect this heightened neuronal irritability and are a hallmark sign of significant hypocalcemia. By contrast, a short QT interval points to hypercalcemia, polyuria isn’t a classic sign of low calcium, and tachycardia isn’t specific to hypocalcemia.

Low calcium levels increase the excitability of nerve and muscle membranes because calcium normally helps stabilize these cells; when calcium is low, nerves fire more easily, leading to symptoms like tingling, cramps, and in severe cases seizures. Convulsions reflect this heightened neuronal irritability and are a hallmark sign of significant hypocalcemia. By contrast, a short QT interval points to hypercalcemia, polyuria isn’t a classic sign of low calcium, and tachycardia isn’t specific to hypocalcemia.

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