Hungry bone syndrome occurs after parathyroidectomy in patients with hyperparathyroidism. The sudden drop in circulating parathyroid hormone causes a rapid uptake of calcium and phosphorus by the bones, leading to hypocalcemia.
| List I | List II |
|---|---|
| A. Heart | III. Atrial natriuretic factor |
| B. Kidney | I. Erythropoietin |
| C. Gastrointestinal Tract | IV. Secretnin |
| D. Adrenal Cortex | II. Aldosterone |


