A patient with hyperparathyroidism secondary to renal failure is prescribed calcimimetic. What should the nurse instruct the patient about this medication?
1. It increases the sensitivity of the calcium-sensing receptors of the parathyroid gland to serum calcium.
2. It blocks calcium receptors in the nervous and musculoskeletal systems.
3. It decreases resorption of calcium in the distal renal tubule.
4. It binds calcium to bile salts that are then excreted through the GI tract.
Correct Answer: 1
Calcimimetic increases the sensitivity of the calcium-sensing receptors of the parathyroid gland to serum calcium. The effect is decreased secretion of PTH and reduced serum calcium and phosphorus. Calcimimetic does not block calcium receptors in the nervous and musculoskeletal systems, decrease the resorption of calcium in the distal renal tubule, or bind calcium to bile salts to excrete through the GI tract.
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