Acute and Chronic Renal Failure · NCLEX Exam

A patient with chronic renal failure has an elevated parathyroid hormone (PTH) level primarily due to which factor?

  1. Hyperkalemia from impaired potassium excretion
  2. Hypocalcemia from phosphate retention
  3. Increased intestinal calcium absorption
  4. Dehydration from excessive fluid loss
Show answer and explanation

Correct answer: Hypocalcemia from phosphate retention

Phosphate retention binds calcium, causing hypocalcemia and secondary hyperparathyroidism.

Difficulty: Medium Question 12 of 20

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