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Parathormone deficiency produces muscle ramps or tetany as a result of
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- lowered blood Ca2+
- enhanced blood Na+
- enhanced blood glucose
- enhanced blood Ca2+
Correct Option: A
Parathormone released by the parathyroid gland elevates the level of Ca2+ in blood. The deficiency of this hormone lowers blood Ca2+. As a result, the excitability of muscles and nerves increases causing tetany -sustained contraction.