Removal of parathyroid gland produces the following changes EXCEPT_________________?
Correct answer: B. Decrease in plasma phosphate level
- A. Decline plasma calcium level
- B. Decrease in plasma phosphate level
- C. Neuromuscular hyperexcitability
- D. hypo calcemic tetany
Explanation
Loss of parathyroid hormone lowers plasma calcium and raises phosphate because renal phosphate excretion falls. The resulting hypocalcaemia causes neuromuscular hyperexcitability and tetany, so a decrease in phosphate is the exception.
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