Parathyroid Disorders and Calcium Balance · NCLEX Exam

In primary hyperparathyroidism, one would expect which of the following laboratory patterns?

  1. Low PTH, low calcium, high phosphate
  2. High PTH, high calcium, low phosphate
  3. High PTH, low calcium, high phosphate
  4. Low PTH, high calcium, low phosphate
Show answer and explanation

Correct answer: High PTH, high calcium, low phosphate

In primary hyperparathyroidism, the parathyroid glands secrete excess PTH, causing hypercalcemia and hypophosphatemia.

Difficulty: Medium Question 9 of 19

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