Parathyroid Disorders and Calcium Balance · NCLEX Exam

Which of the following is a common skeletal complication of untreated hyperparathyroidism?

  1. Osteosclerosis with increased bone density
  2. Osteitis fibrosa cystica
  3. Osteopetrosis with marble-bone changes
  4. Rickets from vitamin D deficiency
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Correct answer: Osteitis fibrosa cystica

Excess PTH causes increased bone resorption leading to bone weakening, characteristic of osteitis fibrosa cystica in advanced primary hyperparathyroidism.

Difficulty: Medium Question 11 of 19

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