KROK 1 2017 – Question 42 · KROK (Medicine) · Pathophysiology
During removal of the hyperplastic thyroid gland of a 47-year-old woman, the parathyroid gland was damaged. One month after the surgery the patient developed signs of hypoparathyroidism: frequent convulsions, hyperreflexia, laryngospasm. What is the most likely cause of the patient’s condition?
- A. Hypocalcemia
- B. Hyponatremia
- C. Hypophosphatemia
- D. Hyperkalemia
- E. Hyperchlorhydria
Hint
Think about which serum ion the parathyroid hormone keeps in range, and how a fall in it changes neuromuscular excitability and the muscles of the larynx.
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