A patient recovering from a thyroidectomy is being assessed for tetany.What is the most likely cause of tetany after this surgery?

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Tetany can occur if the parathyroid glands are accidentally removed during thyroid surgery.Because of the proximity of the parathyroid glands to the thyroid,it is sometimes difficult for the surgeon to avoid them.In the absence of parathyroid hormone,serum calcium levels drop,and tetany results.D.Excess thyroid hormone causes a thyrotoxic crisis.A.B.Swelling and antithyroid medication do not cause tetany.

A Patient Recovering from a Thyroidectomy Is Being Assessed for Tetany.What